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block: switch bios to blk_status_t 

Replace bi_error with a new bi_status to allow for a clear conversion.
Note that device mapper overloaded bi_error with a private value, which
we'll have to keep arround at least for now and thus propagate to a
proper blk_status_t value.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig 2017-06-03 09:38:06 +02:00 committed by Jens Axboe
parent fc17b6534e
commit 4e4cbee93d
106 changed files with 625 additions and 603 deletions
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8
block/bio-integrity.c
View File

@ -221,7 +221,7 @@ static inline unsigned int bio_integrity_bytes(struct blk_integrity *bi,
* @bio: bio to generate/verify integrity metadata for
* @proc_fn: Pointer to the relevant processing function
*/
static int bio_integrity_process(struct bio *bio,
static blk_status_t bio_integrity_process(struct bio *bio,
integrity_processing_fn *proc_fn)
{
struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev);
@ -229,7 +229,7 @@ static int bio_integrity_process(struct bio *bio,
struct bvec_iter bviter;
struct bio_vec bv;
struct bio_integrity_payload *bip = bio_integrity(bio);
unsigned int ret = 0;
blk_status_t ret = BLK_STS_OK;
void *prot_buf = page_address(bip->bip_vec->bv_page) +
bip->bip_vec->bv_offset;
@ -366,7 +366,7 @@ static void bio_integrity_verify_fn(struct work_struct *work)
struct bio *bio = bip->bip_bio;
struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev);
bio->bi_error = bio_integrity_process(bio, bi->profile->verify_fn);
bio->bi_status = bio_integrity_process(bio, bi->profile->verify_fn);
/* Restore original bio completion handler */
bio->bi_end_io = bip->bip_end_io;
@ -395,7 +395,7 @@ void bio_integrity_endio(struct bio *bio)
* integrity metadata. Restore original bio end_io handler
* and run it.
*/
if (bio->bi_error) {
if (bio->bi_status) {
bio->bi_end_io = bip->bip_end_io;
bio_endio(bio);

8
block/bio.c
View File

@ -309,8 +309,8 @@ static struct bio *__bio_chain_endio(struct bio *bio)
{
struct bio *parent = bio->bi_private;
if (!parent->bi_error)
parent->bi_error = bio->bi_error;
if (!parent->bi_status)
parent->bi_status = bio->bi_status;
bio_put(bio);
return parent;
}
@ -918,7 +918,7 @@ static void submit_bio_wait_endio(struct bio *bio)
{
struct submit_bio_ret *ret = bio->bi_private;
ret->error = bio->bi_error;
ret->error = blk_status_to_errno(bio->bi_status);
complete(&ret->event);
}
@ -1818,7 +1818,7 @@ void bio_endio(struct bio *bio)
if (bio->bi_bdev && bio_flagged(bio, BIO_TRACE_COMPLETION)) {
trace_block_bio_complete(bdev_get_queue(bio->bi_bdev),
bio, bio->bi_error);
bio, bio->bi_status);
bio_clear_flag(bio, BIO_TRACE_COMPLETION);
}

20
block/blk-core.c
View File

@ -144,6 +144,9 @@ static const struct {
[BLK_STS_PROTECTION] = { -EILSEQ, "protection" },
[BLK_STS_RESOURCE] = { -ENOMEM, "kernel resource" },
/* device mapper special case, should not leak out: */
[BLK_STS_DM_REQUEUE] = { -EREMCHG, "dm internal retry" },
/* everything else not covered above: */
[BLK_STS_IOERR] = { -EIO, "I/O" },
};
@ -188,7 +191,7 @@ static void req_bio_endio(struct request *rq, struct bio *bio,
unsigned int nbytes, blk_status_t error)
{
if (error)
bio->bi_error = blk_status_to_errno(error);
bio->bi_status = error;
if (unlikely(rq->rq_flags & RQF_QUIET))
bio_set_flag(bio, BIO_QUIET);
@ -1717,7 +1720,7 @@ static blk_qc_t blk_queue_bio(struct request_queue *q, struct bio *bio)
blk_queue_split(q, &bio, q->bio_split);
if (bio_integrity_enabled(bio) && bio_integrity_prep(bio)) {
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
bio_endio(bio);
return BLK_QC_T_NONE;
}
@ -1775,7 +1778,10 @@ static blk_qc_t blk_queue_bio(struct request_queue *q, struct bio *bio)
req = get_request(q, bio->bi_opf, bio, GFP_NOIO);
if (IS_ERR(req)) {
__wbt_done(q->rq_wb, wb_acct);
bio->bi_error = PTR_ERR(req);
if (PTR_ERR(req) == -ENOMEM)
bio->bi_status = BLK_STS_RESOURCE;
else
bio->bi_status = BLK_STS_IOERR;
bio_endio(bio);
goto out_unlock;
}
@ -1930,7 +1936,7 @@ generic_make_request_checks(struct bio *bio)
{
struct request_queue *q;
int nr_sectors = bio_sectors(bio);
int err = -EIO;
blk_status_t status = BLK_STS_IOERR;
char b[BDEVNAME_SIZE];
struct hd_struct *part;
@ -1973,7 +1979,7 @@ generic_make_request_checks(struct bio *bio)
!test_bit(QUEUE_FLAG_WC, &q->queue_flags)) {
bio->bi_opf &= ~(REQ_PREFLUSH | REQ_FUA);
if (!nr_sectors) {
err = 0;
status = BLK_STS_OK;
goto end_io;
}
}
@ -2025,9 +2031,9 @@ generic_make_request_checks(struct bio *bio)
return true;
not_supported:
err = -EOPNOTSUPP;
status = BLK_STS_NOTSUPP;
end_io:
bio->bi_error = err;
bio->bi_status = status;
bio_endio(bio);
return false;
}

4
block/blk-integrity.c
View File

@ -384,9 +384,9 @@ static struct kobj_type integrity_ktype = {
.sysfs_ops = &integrity_ops,
};
static int blk_integrity_nop_fn(struct blk_integrity_iter *iter)
static blk_status_t blk_integrity_nop_fn(struct blk_integrity_iter *iter)
{
return 0;
return BLK_STS_OK;
}
static const struct blk_integrity_profile nop_profile = {

4
block/bounce.c
View File

@ -143,7 +143,7 @@ static void bounce_end_io(struct bio *bio, mempool_t *pool)
mempool_free(bvec->bv_page, pool);
}
bio_orig->bi_error = bio->bi_error;
bio_orig->bi_status = bio->bi_status;
bio_endio(bio_orig);
bio_put(bio);
}
@ -163,7 +163,7 @@ static void __bounce_end_io_read(struct bio *bio, mempool_t *pool)
{
struct bio *bio_orig = bio->bi_private;
if (!bio->bi_error)
if (!bio->bi_status)
copy_to_high_bio_irq(bio_orig, bio);
bounce_end_io(bio, pool);

30
block/t10-pi.c
View File

@ -46,8 +46,8 @@ static __be16 t10_pi_ip_fn(void *data, unsigned int len)
* 16 bit app tag, 32 bit reference tag. Type 3 does not define the ref
* tag.
*/
static int t10_pi_generate(struct blk_integrity_iter *iter, csum_fn *fn,
unsigned int type)
static blk_status_t t10_pi_generate(struct blk_integrity_iter *iter,
csum_fn *fn, unsigned int type)
{
unsigned int i;
@ -67,11 +67,11 @@ static int t10_pi_generate(struct blk_integrity_iter *iter, csum_fn *fn,
iter->seed++;
}
return 0;
return BLK_STS_OK;
}
static int t10_pi_verify(struct blk_integrity_iter *iter, csum_fn *fn,
unsigned int type)
static blk_status_t t10_pi_verify(struct blk_integrity_iter *iter,
csum_fn *fn, unsigned int type)
{
unsigned int i;
@ -108,7 +108,7 @@ static int t10_pi_verify(struct blk_integrity_iter *iter, csum_fn *fn,
"(rcvd %04x, want %04x)\n", iter->disk_name,
(unsigned long long)iter->seed,
be16_to_cpu(pi->guard_tag), be16_to_cpu(csum));
return -EILSEQ;
return BLK_STS_PROTECTION;
}
next:
@ -117,45 +117,45 @@ static int t10_pi_verify(struct blk_integrity_iter *iter, csum_fn *fn,
iter->seed++;
}
return 0;
return BLK_STS_OK;
}
static int t10_pi_type1_generate_crc(struct blk_integrity_iter *iter)
static blk_status_t t10_pi_type1_generate_crc(struct blk_integrity_iter *iter)
{
return t10_pi_generate(iter, t10_pi_crc_fn, 1);
}
static int t10_pi_type1_generate_ip(struct blk_integrity_iter *iter)
static blk_status_t t10_pi_type1_generate_ip(struct blk_integrity_iter *iter)
{
return t10_pi_generate(iter, t10_pi_ip_fn, 1);
}
static int t10_pi_type1_verify_crc(struct blk_integrity_iter *iter)
static blk_status_t t10_pi_type1_verify_crc(struct blk_integrity_iter *iter)
{
return t10_pi_verify(iter, t10_pi_crc_fn, 1);
}
static int t10_pi_type1_verify_ip(struct blk_integrity_iter *iter)
static blk_status_t t10_pi_type1_verify_ip(struct blk_integrity_iter *iter)
{
return t10_pi_verify(iter, t10_pi_ip_fn, 1);
}
static int t10_pi_type3_generate_crc(struct blk_integrity_iter *iter)
static blk_status_t t10_pi_type3_generate_crc(struct blk_integrity_iter *iter)
{
return t10_pi_generate(iter, t10_pi_crc_fn, 3);
}
static int t10_pi_type3_generate_ip(struct blk_integrity_iter *iter)
static blk_status_t t10_pi_type3_generate_ip(struct blk_integrity_iter *iter)
{
return t10_pi_generate(iter, t10_pi_ip_fn, 3);
}
static int t10_pi_type3_verify_crc(struct blk_integrity_iter *iter)
static blk_status_t t10_pi_type3_verify_crc(struct blk_integrity_iter *iter)
{
return t10_pi_verify(iter, t10_pi_crc_fn, 3);
}
static int t10_pi_type3_verify_ip(struct blk_integrity_iter *iter)
static blk_status_t t10_pi_type3_verify_ip(struct blk_integrity_iter *iter)
{
return t10_pi_verify(iter, t10_pi_ip_fn, 3);
}

10
drivers/block/aoe/aoecmd.c
View File

@ -1070,7 +1070,7 @@ aoe_end_request(struct aoedev *d, struct request *rq, int fastfail)
d->ip.rq = NULL;
do {
bio = rq->bio;
bok = !fastfail && !bio->bi_error;
bok = !fastfail && !bio->bi_status;
} while (__blk_end_request(rq, bok ? BLK_STS_OK : BLK_STS_IOERR, bio->bi_iter.bi_size));
/* cf. http://lkml.org/lkml/2006/10/31/28 */
@ -1131,7 +1131,7 @@ ktiocomplete(struct frame *f)
ahout->cmdstat, ahin->cmdstat,
d->aoemajor, d->aoeminor);
noskb: if (buf)
buf->bio->bi_error = -EIO;
buf->bio->bi_status = BLK_STS_IOERR;
goto out;
}
@ -1144,7 +1144,7 @@ noskb: if (buf)
"aoe: runt data size in read from",
(long) d->aoemajor, d->aoeminor,
skb->len, n);
buf->bio->bi_error = -EIO;
buf->bio->bi_status = BLK_STS_IOERR;
break;
}
if (n > f->iter.bi_size) {
@ -1152,7 +1152,7 @@ noskb: if (buf)
"aoe: too-large data size in read from",
(long) d->aoemajor, d->aoeminor,
n, f->iter.bi_size);
buf->bio->bi_error = -EIO;
buf->bio->bi_status = BLK_STS_IOERR;
break;
}
bvcpy(skb, f->buf->bio, f->iter, n);
@ -1654,7 +1654,7 @@ aoe_failbuf(struct aoedev *d, struct buf *buf)
if (buf == NULL)
return;
buf->iter.bi_size = 0;
buf->bio->bi_error = -EIO;
buf->bio->bi_status = BLK_STS_IOERR;
if (buf->nframesout == 0)
aoe_end_buf(d, buf);
}

2
drivers/block/aoe/aoedev.c
View File

@ -170,7 +170,7 @@ aoe_failip(struct aoedev *d)
if (rq == NULL)
return;
while ((bio = d->ip.nxbio)) {
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
d->ip.nxbio = bio->bi_next;
n = (unsigned long) rq->special;
rq->special = (void *) --n;

2
drivers/block/drbd/drbd_actlog.c
View File

@ -178,7 +178,7 @@ static int _drbd_md_sync_page_io(struct drbd_device *device,
else
submit_bio(bio);
wait_until_done_or_force_detached(device, bdev, &device->md_io.done);
if (!bio->bi_error)
if (!bio->bi_status)
err = device->md_io.error;
out:

6
drivers/block/drbd/drbd_bitmap.c
View File

@ -959,16 +959,16 @@ static void drbd_bm_endio(struct bio *bio)
!bm_test_page_unchanged(b->bm_pages[idx]))
drbd_warn(device, "bitmap page idx %u changed during IO!\n", idx);
if (bio->bi_error) {
if (bio->bi_status) {
/* ctx error will hold the completed-last non-zero error code,
* in case error codes differ. */
ctx->error = bio->bi_error;
ctx->error = blk_status_to_errno(bio->bi_status);
bm_set_page_io_err(b->bm_pages[idx]);
/* Not identical to on disk version of it.
* Is BM_PAGE_IO_ERROR enough? */
if (__ratelimit(&drbd_ratelimit_state))
drbd_err(device, "IO ERROR %d on bitmap page idx %u\n",
bio->bi_error, idx);
bio->bi_status, idx);
} else {
bm_clear_page_io_err(b->bm_pages[idx]);
dynamic_drbd_dbg(device, "bitmap page idx %u completed\n", idx);

2
drivers/block/drbd/drbd_int.h
View File

@ -1627,7 +1627,7 @@ static inline void drbd_generic_make_request(struct drbd_device *device,
__release(local);
if (!bio->bi_bdev) {
drbd_err(device, "drbd_generic_make_request: bio->bi_bdev == NULL\n");
bio->bi_error = -ENODEV;
bio->bi_status = BLK_STS_IOERR;
bio_endio(bio);
return;
}

6
drivers/block/drbd/drbd_receiver.c
View File

@ -1229,9 +1229,9 @@ void one_flush_endio(struct bio *bio)
struct drbd_device *device = octx->device;
struct issue_flush_context *ctx = octx->ctx;
if (bio->bi_error) {
ctx->error = bio->bi_error;
drbd_info(device, "local disk FLUSH FAILED with status %d\n", bio->bi_error);
if (bio->bi_status) {
ctx->error = blk_status_to_errno(bio->bi_status);
drbd_info(device, "local disk FLUSH FAILED with status %d\n", bio->bi_status);
}
kfree(octx);
bio_put(bio);

6
drivers/block/drbd/drbd_req.c
View File

@ -203,7 +203,7 @@ void start_new_tl_epoch(struct drbd_connection *connection)
void complete_master_bio(struct drbd_device *device,
struct bio_and_error *m)
{
m->bio->bi_error = m->error;
m->bio->bi_status = errno_to_blk_status(m->error);
bio_endio(m->bio);
dec_ap_bio(device);
}
@ -1157,7 +1157,7 @@ static void drbd_process_discard_req(struct drbd_request *req)
if (blkdev_issue_zeroout(bdev, req->i.sector, req->i.size >> 9,
GFP_NOIO, 0))
req->private_bio->bi_error = -EIO;
req->private_bio->bi_status = BLK_STS_IOERR;
bio_endio(req->private_bio);
}
@ -1225,7 +1225,7 @@ drbd_request_prepare(struct drbd_device *device, struct bio *bio, unsigned long
/* only pass the error to the upper layers.
* if user cannot handle io errors, that's not our business. */
drbd_err(device, "could not kmalloc() req\n");
bio->bi_error = -ENOMEM;
bio->bi_status = BLK_STS_RESOURCE;
bio_endio(bio);
return ERR_PTR(-ENOMEM);
}

16
drivers/block/drbd/drbd_worker.c
View File

@ -63,7 +63,7 @@ void drbd_md_endio(struct bio *bio)
struct drbd_device *device;
device = bio->bi_private;
device->md_io.error = bio->bi_error;
device->md_io.error = blk_status_to_errno(bio->bi_status);
/* We grabbed an extra reference in _drbd_md_sync_page_io() to be able
* to timeout on the lower level device, and eventually detach from it.
@ -177,13 +177,13 @@ void drbd_peer_request_endio(struct bio *bio)
bool is_discard = bio_op(bio) == REQ_OP_WRITE_ZEROES ||
bio_op(bio) == REQ_OP_DISCARD;
if (bio->bi_error && __ratelimit(&drbd_ratelimit_state))
if (bio->bi_status && __ratelimit(&drbd_ratelimit_state))
drbd_warn(device, "%s: error=%d s=%llus\n",
is_write ? (is_discard ? "discard" : "write")
: "read", bio->bi_error,
: "read", bio->bi_status,
(unsigned long long)peer_req->i.sector);
if (bio->bi_error)
if (bio->bi_status)
set_bit(__EE_WAS_ERROR, &peer_req->flags);
bio_put(bio); /* no need for the bio anymore */
@ -243,16 +243,16 @@ void drbd_request_endio(struct bio *bio)
if (__ratelimit(&drbd_ratelimit_state))
drbd_emerg(device, "delayed completion of aborted local request; disk-timeout may be too aggressive\n");
if (!bio->bi_error)
if (!bio->bi_status)
drbd_panic_after_delayed_completion_of_aborted_request(device);
}
/* to avoid recursion in __req_mod */
if (unlikely(bio->bi_error)) {
if (unlikely(bio->bi_status)) {
switch (bio_op(bio)) {
case REQ_OP_WRITE_ZEROES:
case REQ_OP_DISCARD:
if (bio->bi_error == -EOPNOTSUPP)
if (bio->bi_status == BLK_STS_NOTSUPP)
what = DISCARD_COMPLETED_NOTSUPP;
else
what = DISCARD_COMPLETED_WITH_ERROR;
@ -272,7 +272,7 @@ void drbd_request_endio(struct bio *bio)
}
bio_put(req->private_bio);
req->private_bio = ERR_PTR(bio->bi_error);
req->private_bio = ERR_PTR(blk_status_to_errno(bio->bi_status));
/* not req_mod(), we need irqsave here! */
spin_lock_irqsave(&device->resource->req_lock, flags);

4
drivers/block/floppy.c
View File

@ -3780,9 +3780,9 @@ static void floppy_rb0_cb(struct bio *bio)
struct rb0_cbdata *cbdata = (struct rb0_cbdata *)bio->bi_private;
int drive = cbdata->drive;
if (bio->bi_error) {
if (bio->bi_status) {
pr_info("floppy: error %d while reading block 0\n",
bio->bi_error);
bio->bi_status);
set_bit(FD_OPEN_SHOULD_FAIL_BIT, &UDRS->flags);
}
complete(&cbdata->complete);

18
drivers/block/pktcdvd.c
View File

@ -952,9 +952,9 @@ static void pkt_end_io_read(struct bio *bio)
pkt_dbg(2, pd, "bio=%p sec0=%llx sec=%llx err=%d\n",
bio, (unsigned long long)pkt->sector,
(unsigned long long)bio->bi_iter.bi_sector, bio->bi_error);
(unsigned long long)bio->bi_iter.bi_sector, bio->bi_status);
if (bio->bi_error)
if (bio->bi_status)
atomic_inc(&pkt->io_errors);
if (atomic_dec_and_test(&pkt->io_wait)) {
atomic_inc(&pkt->run_sm);
@ -969,7 +969,7 @@ static void pkt_end_io_packet_write(struct bio *bio)
struct pktcdvd_device *pd = pkt->pd;
BUG_ON(!pd);
pkt_dbg(2, pd, "id=%d, err=%d\n", pkt->id, bio->bi_error);
pkt_dbg(2, pd, "id=%d, err=%d\n", pkt->id, bio->bi_status);
pd->stats.pkt_ended++;
@ -1305,16 +1305,16 @@ static void pkt_start_write(struct pktcdvd_device *pd, struct packet_data *pkt)
pkt_queue_bio(pd, pkt->w_bio);
}
static void pkt_finish_packet(struct packet_data *pkt, int error)
static void pkt_finish_packet(struct packet_data *pkt, blk_status_t status)
{
struct bio *bio;
if (error)
if (status)
pkt->cache_valid = 0;
/* Finish all bios corresponding to this packet */
while ((bio = bio_list_pop(&pkt->orig_bios))) {
bio->bi_error = error;
bio->bi_status = status;
bio_endio(bio);
}
}
@ -1349,7 +1349,7 @@ static void pkt_run_state_machine(struct pktcdvd_device *pd, struct packet_data
if (atomic_read(&pkt->io_wait) > 0)
return;
if (!pkt->w_bio->bi_error) {
if (!pkt->w_bio->bi_status) {
pkt_set_state(pkt, PACKET_FINISHED_STATE);
} else {
pkt_set_state(pkt, PACKET_RECOVERY_STATE);
@ -1366,7 +1366,7 @@ static void pkt_run_state_machine(struct pktcdvd_device *pd, struct packet_data
break;
case PACKET_FINISHED_STATE:
pkt_finish_packet(pkt, pkt->w_bio->bi_error);
pkt_finish_packet(pkt, pkt->w_bio->bi_status);
return;
default:
@ -2301,7 +2301,7 @@ static void pkt_end_io_read_cloned(struct bio *bio)
struct packet_stacked_data *psd = bio->bi_private;
struct pktcdvd_device *pd = psd->pd;
psd->bio->bi_error = bio->bi_error;
psd->bio->bi_status = bio->bi_status;
bio_put(bio);
bio_endio(psd->bio);
mempool_free(psd, psd_pool);

14
drivers/block/ps3vram.c
View File

@ -428,7 +428,7 @@ static void ps3vram_cache_cleanup(struct ps3_system_bus_device *dev)
kfree(priv->cache.tags);
}
static int ps3vram_read(struct ps3_system_bus_device *dev, loff_t from,
static blk_status_t ps3vram_read(struct ps3_system_bus_device *dev, loff_t from,
size_t len, size_t *retlen, u_char *buf)
{
struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
@ -438,7 +438,7 @@ static int ps3vram_read(struct ps3_system_bus_device *dev, loff_t from,
(unsigned int)from, len);
if (from >= priv->size)
return -EIO;
return BLK_STS_IOERR;
if (len > priv->size - from)
len = priv->size - from;
@ -472,14 +472,14 @@ static int ps3vram_read(struct ps3_system_bus_device *dev, loff_t from,
return 0;
}
static int ps3vram_write(struct ps3_system_bus_device *dev, loff_t to,
static blk_status_t ps3vram_write(struct ps3_system_bus_device *dev, loff_t to,
size_t len, size_t *retlen, const u_char *buf)
{
struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
unsigned int cached, count;
if (to >= priv->size)
return -EIO;
return BLK_STS_IOERR;
if (len > priv->size - to)
len = priv->size - to;
@ -554,7 +554,7 @@ static struct bio *ps3vram_do_bio(struct ps3_system_bus_device *dev,
int write = bio_data_dir(bio) == WRITE;
const char *op = write ? "write" : "read";
loff_t offset = bio->bi_iter.bi_sector << 9;
int error = 0;
blk_status_t error = 0;
struct bio_vec bvec;
struct bvec_iter iter;
struct bio *next;
@ -578,7 +578,7 @@ static struct bio *ps3vram_do_bio(struct ps3_system_bus_device *dev,
if (retlen != len) {
dev_err(&dev->core, "Short %s\n", op);
error = -EIO;
error = BLK_STS_IOERR;
goto out;
}
@ -593,7 +593,7 @@ static struct bio *ps3vram_do_bio(struct ps3_system_bus_device *dev,
next = bio_list_peek(&priv->list);
spin_unlock_irq(&priv->lock);
bio->bi_error = error;
bio->bi_status = error;
bio_endio(bio);
return next;
}

14
drivers/block/rsxx/dev.c
View File

@ -149,7 +149,7 @@ static blk_qc_t rsxx_make_request(struct request_queue *q, struct bio *bio)
{
struct rsxx_cardinfo *card = q->queuedata;
struct rsxx_bio_meta *bio_meta;
int st = -EINVAL;
blk_status_t st = BLK_STS_IOERR;
blk_queue_split(q, &bio, q->bio_split);
@ -161,15 +161,11 @@ static blk_qc_t rsxx_make_request(struct request_queue *q, struct bio *bio)
if (bio_end_sector(bio) > get_capacity(card->gendisk))
goto req_err;
if (unlikely(card->halt)) {
st = -EFAULT;
if (unlikely(card->halt))
goto req_err;
}
if (unlikely(card->dma_fault)) {
st = (-EFAULT);
if (unlikely(card->dma_fault))
goto req_err;
}
if (bio->bi_iter.bi_size == 0) {
dev_err(CARD_TO_DEV(card), "size zero BIO!\n");
@ -178,7 +174,7 @@ static blk_qc_t rsxx_make_request(struct request_queue *q, struct bio *bio)
bio_meta = kmem_cache_alloc(bio_meta_pool, GFP_KERNEL);
if (!bio_meta) {
st = -ENOMEM;
st = BLK_STS_RESOURCE;
goto req_err;
}
@ -205,7 +201,7 @@ static blk_qc_t rsxx_make_request(struct request_queue *q, struct bio *bio)
kmem_cache_free(bio_meta_pool, bio_meta);
req_err:
if (st)
bio->bi_error = st;
bio->bi_status = st;
bio_endio(bio);
return BLK_QC_T_NONE;
}

13
drivers/block/rsxx/dma.c
View File

@ -611,7 +611,7 @@ static void rsxx_schedule_done(struct work_struct *work)
mutex_unlock(&ctrl->work_lock);
}
static int rsxx_queue_discard(struct rsxx_cardinfo *card,
static blk_status_t rsxx_queue_discard(struct rsxx_cardinfo *card,
struct list_head *q,
unsigned int laddr,
rsxx_dma_cb cb,
@ -621,7 +621,7 @@ static int rsxx_queue_discard(struct rsxx_cardinfo *card,
dma = kmem_cache_alloc(rsxx_dma_pool, GFP_KERNEL);
if (!dma)
return -ENOMEM;
return BLK_STS_RESOURCE;
dma->cmd = HW_CMD_BLK_DISCARD;
dma->laddr = laddr;
@ -640,7 +640,7 @@ static int rsxx_queue_discard(struct rsxx_cardinfo *card,
return 0;
}
static int rsxx_queue_dma(struct rsxx_cardinfo *card,
static blk_status_t rsxx_queue_dma(struct rsxx_cardinfo *card,
struct list_head *q,
int dir,
unsigned int dma_off,
@ -655,7 +655,7 @@ static int rsxx_queue_dma(struct rsxx_cardinfo *card,
dma = kmem_cache_alloc(rsxx_dma_pool, GFP_KERNEL);
if (!dma)
return -ENOMEM;
return BLK_STS_RESOURCE;
dma->cmd = dir ? HW_CMD_BLK_WRITE : HW_CMD_BLK_READ;
dma->laddr = laddr;
@ -677,7 +677,7 @@ static int rsxx_queue_dma(struct rsxx_cardinfo *card,
return 0;
}
int rsxx_dma_queue_bio(struct rsxx_cardinfo *card,
blk_status_t rsxx_dma_queue_bio(struct rsxx_cardinfo *card,
struct bio *bio,
atomic_t *n_dmas,
rsxx_dma_cb cb,
@ -694,7 +694,7 @@ int rsxx_dma_queue_bio(struct rsxx_cardinfo *card,
unsigned int dma_len;
int dma_cnt[RSXX_MAX_TARGETS];
int tgt;
int st;
blk_status_t st;
int i;
addr8 = bio->bi_iter.bi_sector << 9; /* sectors are 512 bytes */
@ -769,7 +769,6 @@ int rsxx_dma_queue_bio(struct rsxx_cardinfo *card,
for (i = 0; i < card->n_targets; i++)
rsxx_cleanup_dma_queue(&card->ctrl[i], &dma_list[i],
FREE_DMA);
return st;
}

2
drivers/block/rsxx/rsxx_priv.h
View File

@ -391,7 +391,7 @@ int rsxx_dma_cancel(struct rsxx_dma_ctrl *ctrl);
void rsxx_dma_cleanup(void);
void rsxx_dma_queue_reset(struct rsxx_cardinfo *card);
int rsxx_dma_configure(struct rsxx_cardinfo *card);
int rsxx_dma_queue_bio(struct rsxx_cardinfo *card,
blk_status_t rsxx_dma_queue_bio(struct rsxx_cardinfo *card,
struct bio *bio,
atomic_t *n_dmas,
rsxx_dma_cb cb,

2
drivers/block/umem.c
View File

@ -454,7 +454,7 @@ static void process_page(unsigned long data)
PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE);
if (control & DMASCR_HARD_ERROR) {
/* error */
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
dev_printk(KERN_WARNING, &card->dev->dev,
"I/O error on sector %d/%d\n",
le32_to_cpu(desc->local_addr)>>9,

19
drivers/block/xen-blkback/blkback.c
View File

@ -1069,20 +1069,17 @@ static void xen_blk_drain_io(struct xen_blkif_ring *ring)
atomic_set(&blkif->drain, 0);
}
/*
* Completion callback on the bio's. Called as bh->b_end_io()
*/
static void __end_block_io_op(struct pending_req *pending_req, int error)
static void __end_block_io_op(struct pending_req *pending_req,
blk_status_t error)
{
/* An error fails the entire request. */
if ((pending_req->operation == BLKIF_OP_FLUSH_DISKCACHE) &&
(error == -EOPNOTSUPP)) {
if (pending_req->operation == BLKIF_OP_FLUSH_DISKCACHE &&
error == BLK_STS_NOTSUPP) {
pr_debug("flush diskcache op failed, not supported\n");
xen_blkbk_flush_diskcache(XBT_NIL, pending_req->ring->blkif->be, 0);
pending_req->status = BLKIF_RSP_EOPNOTSUPP;
} else if ((pending_req->operation == BLKIF_OP_WRITE_BARRIER) &&
(error == -EOPNOTSUPP)) {
} else if (pending_req->operation == BLKIF_OP_WRITE_BARRIER &&
error == BLK_STS_NOTSUPP) {
pr_debug("write barrier op failed, not supported\n");
xen_blkbk_barrier(XBT_NIL, pending_req->ring->blkif->be, 0);
pending_req->status = BLKIF_RSP_EOPNOTSUPP;
@ -1106,7 +1103,7 @@ static void __end_block_io_op(struct pending_req *pending_req, int error)
*/
static void end_block_io_op(struct bio *bio)
{
__end_block_io_op(bio->bi_private, bio->bi_error);
__end_block_io_op(bio->bi_private, bio->bi_status);
bio_put(bio);
}
@ -1423,7 +1420,7 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring,
for (i = 0; i < nbio; i++)
bio_put(biolist[i]);
atomic_set(&pending_req->pendcnt, 1);
__end_block_io_op(pending_req, -EINVAL);
__end_block_io_op(pending_req, BLK_STS_RESOURCE);
msleep(1); /* back off a bit */
return -EIO;
}

2
drivers/block/xen-blkfront.c
View File

@ -2006,7 +2006,7 @@ static void split_bio_end(struct bio *bio)
if (atomic_dec_and_test(&split_bio->pending)) {
split_bio->bio->bi_phys_segments = 0;
split_bio->bio->bi_error = bio->bi_error;
split_bio->bio->bi_status = bio->bi_status;
bio_endio(split_bio->bio);
kfree(split_bio);
}

4
drivers/lightnvm/pblk-core.c
View File

@ -296,8 +296,8 @@ void pblk_flush_writer(struct pblk *pblk)
pr_err("pblk: tear down bio failed\n");
}
if (bio->bi_error)
pr_err("pblk: flush sync write failed (%u)\n", bio->bi_error);
if (bio->bi_status)
pr_err("pblk: flush sync write failed (%u)\n", bio->bi_status);
bio_put(bio);
}

4
drivers/lightnvm/pblk-read.c
View File

@ -114,7 +114,7 @@ static void pblk_end_io_read(struct nvm_rq *rqd)
pblk_log_read_err(pblk, rqd);
#ifdef CONFIG_NVM_DEBUG
else
WARN_ONCE(bio->bi_error, "pblk: corrupted read error\n");
WARN_ONCE(bio->bi_status, "pblk: corrupted read error\n");
#endif
if (rqd->nr_ppas > 1)
@ -123,7 +123,7 @@ static void pblk_end_io_read(struct nvm_rq *rqd)
bio_put(bio);
if (r_ctx->orig_bio) {
#ifdef CONFIG_NVM_DEBUG
WARN_ONCE(r_ctx->orig_bio->bi_error,
WARN_ONCE(r_ctx->orig_bio->bi_status,
"pblk: corrupted read bio\n");
#endif
bio_endio(r_ctx->orig_bio);

2
drivers/lightnvm/pblk-write.c
View File

@ -186,7 +186,7 @@ static void pblk_end_io_write(struct nvm_rq *rqd)
}
#ifdef CONFIG_NVM_DEBUG
else
WARN_ONCE(rqd->bio->bi_error, "pblk: corrupted write error\n");
WARN_ONCE(rqd->bio->bi_status, "pblk: corrupted write error\n");
#endif
pblk_complete_write(pblk, rqd, c_ctx);

8
drivers/lightnvm/rrpc.c
View File

@ -279,8 +279,8 @@ static void rrpc_end_sync_bio(struct bio *bio)
{
struct completion *waiting = bio->bi_private;
if (bio->bi_error)
pr_err("nvm: gc request failed (%u).\n", bio->bi_error);
if (bio->bi_status)
pr_err("nvm: gc request failed (%u).\n", bio->bi_status);
complete(waiting);
}
@ -359,7 +359,7 @@ static int rrpc_move_valid_pages(struct rrpc *rrpc, struct rrpc_block *rblk)
goto finished;
}
wait_for_completion_io(&wait);
if (bio->bi_error) {
if (bio->bi_status) {
rrpc_inflight_laddr_release(rrpc, rqd);
goto finished;
}
@ -385,7 +385,7 @@ static int rrpc_move_valid_pages(struct rrpc *rrpc, struct rrpc_block *rblk)
wait_for_completion_io(&wait);
rrpc_inflight_laddr_release(rrpc, rqd);
if (bio->bi_error)
if (bio->bi_status)
goto finished;
bio_reset(bio);

7
drivers/md/bcache/bcache.h
View File

@ -849,10 +849,11 @@ static inline void wake_up_allocators(struct cache_set *c)
/* Forward declarations */
void bch_count_io_errors(struct cache *, int, const char *);
void bch_count_io_errors(struct cache *, blk_status_t, const char *);
void bch_bbio_count_io_errors(struct cache_set *, struct bio *,
int, const char *);
void bch_bbio_endio(struct cache_set *, struct bio *, int, const char *);
blk_status_t, const char *);
void bch_bbio_endio(struct cache_set *, struct bio *, blk_status_t,
const char *);
void bch_bbio_free(struct bio *, struct cache_set *);
struct bio *bch_bbio_alloc(struct cache_set *);

6
drivers/md/bcache/btree.c
View File

@ -307,7 +307,7 @@ static void bch_btree_node_read(struct btree *b)
bch_submit_bbio(bio, b->c, &b->key, 0);
closure_sync(&cl);
if (bio->bi_error)
if (bio->bi_status)
set_btree_node_io_error(b);
bch_bbio_free(bio, b->c);
@ -374,10 +374,10 @@ static void btree_node_write_endio(struct bio *bio)
struct closure *cl = bio->bi_private;
struct btree *b = container_of(cl, struct btree, io);
if (bio->bi_error)
if (bio->bi_status)
set_btree_node_io_error(b);
bch_bbio_count_io_errors(b->c, bio, bio->bi_error, "writing btree");
bch_bbio_count_io_errors(b->c, bio, bio->bi_status, "writing btree");
closure_put(cl);
}

6
drivers/md/bcache/io.c
View File

@ -50,7 +50,7 @@ void bch_submit_bbio(struct bio *bio, struct cache_set *c,
/* IO errors */
void bch_count_io_errors(struct cache *ca, int error, const char *m)
void bch_count_io_errors(struct cache *ca, blk_status_t error, const char *m)
{
/*
* The halflife of an error is:
@ -103,7 +103,7 @@ void bch_count_io_errors(struct cache *ca, int error, const char *m)
}
void bch_bbio_count_io_errors(struct cache_set *c, struct bio *bio,
int error, const char *m)
blk_status_t error, const char *m)
{
struct bbio *b = container_of(bio, struct bbio, bio);
struct cache *ca = PTR_CACHE(c, &b->key, 0);
@ -132,7 +132,7 @@ void bch_bbio_count_io_errors(struct cache_set *c, struct bio *bio,
}
void bch_bbio_endio(struct cache_set *c, struct bio *bio,
int error, const char *m)
blk_status_t error, const char *m)
{
struct closure *cl = bio->bi_private;

2
drivers/md/bcache/journal.c
View File

@ -549,7 +549,7 @@ static void journal_write_endio(struct bio *bio)
{
struct journal_write *w = bio->bi_private;
cache_set_err_on(bio->bi_error, w->c, "journal io error");
cache_set_err_on(bio->bi_status, w->c, "journal io error");
closure_put(&w->c->journal.io);
}

10
drivers/md/bcache/movinggc.c
View File

@ -63,14 +63,14 @@ static void read_moving_endio(struct bio *bio)
struct moving_io *io = container_of(bio->bi_private,
struct moving_io, cl);
if (bio->bi_error)
io->op.error = bio->bi_error;
if (bio->bi_status)
io->op.status = bio->bi_status;
else if (!KEY_DIRTY(&b->key) &&
ptr_stale(io->op.c, &b->key, 0)) {
io->op.error = -EINTR;
io->op.status = BLK_STS_IOERR;
}
bch_bbio_endio(io->op.c, bio, bio->bi_error, "reading data to move");
bch_bbio_endio(io->op.c, bio, bio->bi_status, "reading data to move");
}
static void moving_init(struct moving_io *io)
@ -92,7 +92,7 @@ static void write_moving(struct closure *cl)
struct moving_io *io = container_of(cl, struct moving_io, cl);
struct data_insert_op *op = &io->op;
if (!op->error) {
if (!op->status) {
moving_init(io);
io->bio.bio.bi_iter.bi_sector = KEY_START(&io->w->key);

28
drivers/md/bcache/request.c
View File

@ -81,7 +81,7 @@ static void bch_data_insert_keys(struct closure *cl)
if (ret == -ESRCH) {
op->replace_collision = true;
} else if (ret) {
op->error = -ENOMEM;
op->status = BLK_STS_RESOURCE;
op->insert_data_done = true;
}
@ -178,17 +178,17 @@ static void bch_data_insert_endio(struct bio *bio)
struct closure *cl = bio->bi_private;
struct data_insert_op *op = container_of(cl, struct data_insert_op, cl);
if (bio->bi_error) {
if (bio->bi_status) {
/* TODO: We could try to recover from this. */
if (op->writeback)
op->error = bio->bi_error;
op->status = bio->bi_status;
else if (!op->replace)
set_closure_fn(cl, bch_data_insert_error, op->wq);
else
set_closure_fn(cl, NULL, NULL);
}
bch_bbio_endio(op->c, bio, bio->bi_error, "writing data to cache");
bch_bbio_endio(op->c, bio, bio->bi_status, "writing data to cache");
}
static void bch_data_insert_start(struct closure *cl)
@ -488,15 +488,15 @@ static void bch_cache_read_endio(struct bio *bio)
* from the backing device.
*/
if (bio->bi_error)
s->iop.error = bio->bi_error;
if (bio->bi_status)
s->iop.status = bio->bi_status;
else if (!KEY_DIRTY(&b->key) &&
ptr_stale(s->iop.c, &b->key, 0)) {
atomic_long_inc(&s->iop.c->cache_read_races);
s->iop.error = -EINTR;
s->iop.status = BLK_STS_IOERR;
}
bch_bbio_endio(s->iop.c, bio, bio->bi_error, "reading from cache");
bch_bbio_endio(s->iop.c, bio, bio->bi_status, "reading from cache");
}
/*
@ -593,9 +593,9 @@ static void request_endio(struct bio *bio)
{
struct closure *cl = bio->bi_private;
if (bio->bi_error) {
if (bio->bi_status) {
struct search *s = container_of(cl, struct search, cl);
s->iop.error = bio->bi_error;
s->iop.status = bio->bi_status;
/* Only cache read errors are recoverable */
s->recoverable = false;
}
@ -611,7 +611,7 @@ static void bio_complete(struct search *s)
&s->d->disk->part0, s->start_time);
trace_bcache_request_end(s->d, s->orig_bio);
s->orig_bio->bi_error = s->iop.error;
s->orig_bio->bi_status = s->iop.status;
bio_endio(s->orig_bio);
s->orig_bio = NULL;
}
@ -664,7 +664,7 @@ static inline struct search *search_alloc(struct bio *bio,
s->iop.inode = d->id;
s->iop.write_point = hash_long((unsigned long) current, 16);
s->iop.write_prio = 0;
s->iop.error = 0;
s->iop.status = 0;
s->iop.flags = 0;
s->iop.flush_journal = op_is_flush(bio->bi_opf);
s->iop.wq = bcache_wq;
@ -707,7 +707,7 @@ static void cached_dev_read_error(struct closure *cl)
/* Retry from the backing device: */
trace_bcache_read_retry(s->orig_bio);
s->iop.error = 0;
s->iop.status = 0;
do_bio_hook(s, s->orig_bio);
/* XXX: invalidate cache */
@ -767,7 +767,7 @@ static void cached_dev_read_done_bh(struct closure *cl)
!s->cache_miss, s->iop.bypass);
trace_bcache_read(s->orig_bio, !s->cache_miss, s->iop.bypass);
if (s->iop.error)
if (s->iop.status)
continue_at_nobarrier(cl, cached_dev_read_error, bcache_wq);
else if (s->iop.bio || verify(dc, &s->bio.bio))
continue_at_nobarrier(cl, cached_dev_read_done, bcache_wq);

2
drivers/md/bcache/request.h
View File

@ -10,7 +10,7 @@ struct data_insert_op {
unsigned inode;
uint16_t write_point;
uint16_t write_prio;
short error;
blk_status_t status;
union {
uint16_t flags;

6
drivers/md/bcache/super.c
View File

@ -271,7 +271,7 @@ static void write_super_endio(struct bio *bio)
{
struct cache *ca = bio->bi_private;
bch_count_io_errors(ca, bio->bi_error, "writing superblock");
bch_count_io_errors(ca, bio->bi_status, "writing superblock");
closure_put(&ca->set->sb_write);
}
@ -321,7 +321,7 @@ static void uuid_endio(struct bio *bio)
struct closure *cl = bio->bi_private;
struct cache_set *c = container_of(cl, struct cache_set, uuid_write);
cache_set_err_on(bio->bi_error, c, "accessing uuids");
cache_set_err_on(bio->bi_status, c, "accessing uuids");
bch_bbio_free(bio, c);
closure_put(cl);
}
@ -494,7 +494,7 @@ static void prio_endio(struct bio *bio)
{
struct cache *ca = bio->bi_private;
cache_set_err_on(bio->bi_error, ca->set, "accessing priorities");
cache_set_err_on(bio->bi_status, ca->set, "accessing priorities");
bch_bbio_free(bio, ca->set);
closure_put(&ca->prio);
}

4
drivers/md/bcache/writeback.c
View File

@ -167,7 +167,7 @@ static void dirty_endio(struct bio *bio)
struct keybuf_key *w = bio->bi_private;
struct dirty_io *io = w->private;
if (bio->bi_error)
if (bio->bi_status)
SET_KEY_DIRTY(&w->key, false);
closure_put(&io->cl);
@ -195,7 +195,7 @@ static void read_dirty_endio(struct bio *bio)
struct dirty_io *io = w->private;
bch_count_io_errors(PTR_CACHE(io->dc->disk.c, &w->key, 0),
bio->bi_error, "reading dirty data from cache");
bio->bi_status, "reading dirty data from cache");
dirty_endio(bio);
}

4
drivers/md/dm-bio-prison-v1.c
View File

@ -229,7 +229,7 @@ void dm_cell_release_no_holder(struct dm_bio_prison *prison,
EXPORT_SYMBOL_GPL(dm_cell_release_no_holder);
void dm_cell_error(struct dm_bio_prison *prison,
struct dm_bio_prison_cell *cell, int error)
struct dm_bio_prison_cell *cell, blk_status_t error)
{
struct bio_list bios;
struct bio *bio;
@ -238,7 +238,7 @@ void dm_cell_error(struct dm_bio_prison *prison,
dm_cell_release(prison, cell, &bios);
while ((bio = bio_list_pop(&bios))) {
bio->bi_error = error;
bio->bi_status = error;
bio_endio(bio);
}
}

2
drivers/md/dm-bio-prison-v1.h
View File

@ -91,7 +91,7 @@ void dm_cell_release_no_holder(struct dm_bio_prison *prison,
struct dm_bio_prison_cell *cell,
struct bio_list *inmates);
void dm_cell_error(struct dm_bio_prison *prison,
struct dm_bio_prison_cell *cell, int error);
struct dm_bio_prison_cell *cell, blk_status_t error);
/*
* Visits the cell and then releases. Guarantees no new inmates are

28
drivers/md/dm-bufio.c
View File

@ -145,8 +145,8 @@ struct dm_buffer {
enum data_mode data_mode;
unsigned char list_mode; /* LIST_* */
unsigned hold_count;
int read_error;
int write_error;
blk_status_t read_error;
blk_status_t write_error;
unsigned long state;
unsigned long last_accessed;
struct dm_bufio_client *c;
@ -555,7 +555,7 @@ static void dmio_complete(unsigned long error, void *context)
{
struct dm_buffer *b = context;
b->bio.bi_error = error ? -EIO : 0;
b->bio.bi_status = error ? BLK_STS_IOERR : 0;
b->bio.bi_end_io(&b->bio);
}
@ -588,7 +588,7 @@ static void use_dmio(struct dm_buffer *b, int rw, sector_t sector,
r = dm_io(&io_req, 1, &region, NULL);
if (r) {
b->bio.bi_error = r;
b->bio.bi_status = errno_to_blk_status(r);
end_io(&b->bio);
}
}
@ -596,7 +596,7 @@ static void use_dmio(struct dm_buffer *b, int rw, sector_t sector,
static void inline_endio(struct bio *bio)
{
bio_end_io_t *end_fn = bio->bi_private;
int error = bio->bi_error;
blk_status_t status = bio->bi_status;
/*
* Reset the bio to free any attached resources
@ -604,7 +604,7 @@ static void inline_endio(struct bio *bio)
*/
bio_reset(bio);
bio->bi_error = error;
bio->bi_status = status;
end_fn(bio);
}
@ -685,11 +685,12 @@ static void write_endio(struct bio *bio)
{
struct dm_buffer *b = container_of(bio, struct dm_buffer, bio);
b->write_error = bio->bi_error;
if (unlikely(bio->bi_error)) {
b->write_error = bio->bi_status;
if (unlikely(bio->bi_status)) {
struct dm_bufio_client *c = b->c;
int error = bio->bi_error;
(void)cmpxchg(&c->async_write_error, 0, error);
(void)cmpxchg(&c->async_write_error, 0,
blk_status_to_errno(bio->bi_status));
}
BUG_ON(!test_bit(B_WRITING, &b->state));
@ -1063,7 +1064,7 @@ static void read_endio(struct bio *bio)
{
struct dm_buffer *b = container_of(bio, struct dm_buffer, bio);
b->read_error = bio->bi_error;
b->read_error = bio->bi_status;
BUG_ON(!test_bit(B_READING, &b->state));
@ -1107,7 +1108,7 @@ static void *new_read(struct dm_bufio_client *c, sector_t block,
wait_on_bit_io(&b->state, B_READING, TASK_UNINTERRUPTIBLE);
if (b->read_error) {
int error = b->read_error;
int error = blk_status_to_errno(b->read_error);
dm_bufio_release(b);
@ -1257,7 +1258,8 @@ EXPORT_SYMBOL_GPL(dm_bufio_write_dirty_buffers_async);
*/
int dm_bufio_write_dirty_buffers(struct dm_bufio_client *c)
{
int a, f;
blk_status_t a;
int f;
unsigned long buffers_processed = 0;
struct dm_buffer *b, *tmp;

34
drivers/md/dm-cache-target.c
View File

@ -119,7 +119,7 @@ static void iot_io_end(struct io_tracker *iot, sector_t len)
*/
struct continuation {
struct work_struct ws;
int input;
blk_status_t input;
};
static inline void init_continuation(struct continuation *k,
@ -145,7 +145,7 @@ struct batcher {
/*
* The operation that everyone is waiting for.
*/
int (*commit_op)(void *context);
blk_status_t (*commit_op)(void *context);
void *commit_context;
/*
@ -171,8 +171,7 @@ struct batcher {
static void __commit(struct work_struct *_ws)
{
struct batcher *b = container_of(_ws, struct batcher, commit_work);
int r;
blk_status_t r;
unsigned long flags;
struct list_head work_items;
struct work_struct *ws, *tmp;
@ -205,7 +204,7 @@ static void __commit(struct work_struct *_ws)
while ((bio = bio_list_pop(&bios))) {
if (r) {
bio->bi_error = r;
bio->bi_status = r;
bio_endio(bio);
} else
b->issue_op(bio, b->issue_context);
@ -213,7 +212,7 @@ static void __commit(struct work_struct *_ws)
}
static void batcher_init(struct batcher *b,
int (*commit_op)(void *),
blk_status_t (*commit_op)(void *),
void *commit_context,
void (*issue_op)(struct bio *bio, void *),
void *issue_context,
@ -955,7 +954,7 @@ static void writethrough_endio(struct bio *bio)
dm_unhook_bio(&pb->hook_info, bio);
if (bio->bi_error) {
if (bio->bi_status) {
bio_endio(bio);
return;
}
@ -1220,7 +1219,7 @@ static void copy_complete(int read_err, unsigned long write_err, void *context)
struct dm_cache_migration *mg = container_of(context, struct dm_cache_migration, k);
if (read_err || write_err)
mg->k.input = -EIO;
mg->k.input = BLK_STS_IOERR;
queue_continuation(mg->cache->wq, &mg->k);
}
@ -1266,8 +1265,8 @@ static void overwrite_endio(struct bio *bio)
dm_unhook_bio(&pb->hook_info, bio);
if (bio->bi_error)
mg->k.input = bio->bi_error;
if (bio->bi_status)
mg->k.input = bio->bi_status;
queue_continuation(mg->cache->wq, &mg->k);
}
@ -1323,8 +1322,10 @@ static void mg_complete(struct dm_cache_migration *mg, bool success)
if (mg->overwrite_bio) {
if (success)
force_set_dirty(cache, cblock);
else if (mg->k.input)
mg->overwrite_bio->bi_status = mg->k.input;
else
mg->overwrite_bio->bi_error = (mg->k.input ? : -EIO);
mg->overwrite_bio->bi_status = BLK_STS_IOERR;
bio_endio(mg->overwrite_bio);
} else {
if (success)
@ -1504,7 +1505,7 @@ static void mg_copy(struct work_struct *ws)
r = copy(mg, is_policy_promote);
if (r) {
DMERR_LIMIT("%s: migration copy failed", cache_device_name(cache));
mg->k.input = -EIO;
mg->k.input = BLK_STS_IOERR;
mg_complete(mg, false);
}
}
@ -1907,12 +1908,12 @@ static int commit(struct cache *cache, bool clean_shutdown)
/*
* Used by the batcher.
*/
static int commit_op(void *context)
static blk_status_t commit_op(void *context)
{
struct cache *cache = context;
if (dm_cache_changed_this_transaction(cache->cmd))
return commit(cache, false);
return errno_to_blk_status(commit(cache, false));
return 0;
}
@ -2018,7 +2019,7 @@ static void requeue_deferred_bios(struct cache *cache)
bio_list_init(&cache->deferred_bios);
while ((bio = bio_list_pop(&bios))) {
bio->bi_error = DM_ENDIO_REQUEUE;
bio->bi_status = BLK_STS_DM_REQUEUE;
bio_endio(bio);
}
}
@ -2820,7 +2821,8 @@ static int cache_map(struct dm_target *ti, struct bio *bio)
return r;
}
static int cache_end_io(struct dm_target *ti, struct bio *bio, int *error)
static int cache_end_io(struct dm_target *ti, struct bio *bio,
blk_status_t *error)
{
struct cache *cache = ti->private;
unsigned long flags;

34
drivers/md/dm-crypt.c
View File

@ -71,7 +71,7 @@ struct dm_crypt_io {
struct convert_context ctx;
atomic_t io_pending;
int error;
blk_status_t error;
sector_t sector;
struct rb_node rb_node;
@ -1292,7 +1292,7 @@ static void crypt_free_req(struct crypt_config *cc, void *req, struct bio *base_
/*
* Encrypt / decrypt data from one bio to another one (can be the same one)
*/
static int crypt_convert(struct crypt_config *cc,
static blk_status_t crypt_convert(struct crypt_config *cc,
struct convert_context *ctx)
{
unsigned int tag_offset = 0;
@ -1343,13 +1343,13 @@ static int crypt_convert(struct crypt_config *cc,
*/
case -EBADMSG:
atomic_dec(&ctx->cc_pending);
return -EILSEQ;
return BLK_STS_PROTECTION;
/*
* There was an error while processing the request.
*/
default:
atomic_dec(&ctx->cc_pending);
return -EIO;
return BLK_STS_IOERR;
}
}
@ -1463,7 +1463,7 @@ static void crypt_dec_pending(struct dm_crypt_io *io)
{
struct crypt_config *cc = io->cc;
struct bio *base_bio = io->base_bio;
int error = io->error;
blk_status_t error = io->error;
if (!atomic_dec_and_test(&io->io_pending))
return;
@ -1476,7 +1476,7 @@ static void crypt_dec_pending(struct dm_crypt_io *io)
else
kfree(io->integrity_metadata);
base_bio->bi_error = error;
base_bio->bi_status = error;
bio_endio(base_bio);
}
@ -1502,7 +1502,7 @@ static void crypt_endio(struct bio *clone)
struct dm_crypt_io *io = clone->bi_private;
struct crypt_config *cc = io->cc;
unsigned rw = bio_data_dir(clone);
int error;
blk_status_t error;
/*
* free the processed pages
@ -1510,7 +1510,7 @@ static void crypt_endio(struct bio *clone)
if (rw == WRITE)
crypt_free_buffer_pages(cc, clone);
error = clone->bi_error;
error = clone->bi_status;
bio_put(clone);
if (rw == READ && !error) {
@ -1570,7 +1570,7 @@ static void kcryptd_io_read_work(struct work_struct *work)
crypt_inc_pending(io);
if (kcryptd_io_read(io, GFP_NOIO))
io->error = -ENOMEM;
io->error = BLK_STS_RESOURCE;
crypt_dec_pending(io);
}
@ -1656,7 +1656,7 @@ static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io, int async)
sector_t sector;
struct rb_node **rbp, *parent;
if (unlikely(io->error < 0)) {
if (unlikely(io->error)) {
crypt_free_buffer_pages(cc, clone);
bio_put(clone);
crypt_dec_pending(io);
@ -1697,7 +1697,7 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)
struct bio *clone;
int crypt_finished;
sector_t sector = io->sector;
int r;
blk_status_t r;
/*
* Prevent io from disappearing until this function completes.
@ -1707,7 +1707,7 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)
clone = crypt_alloc_buffer(io, io->base_bio->bi_iter.bi_size);
if (unlikely(!clone)) {
io->error = -EIO;
io->error = BLK_STS_IOERR;
goto dec;
}
@ -1718,7 +1718,7 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)
crypt_inc_pending(io);
r = crypt_convert(cc, &io->ctx);
if (r < 0)
if (r)
io->error = r;
crypt_finished = atomic_dec_and_test(&io->ctx.cc_pending);
@ -1740,7 +1740,7 @@ static void kcryptd_crypt_read_done(struct dm_crypt_io *io)
static void kcryptd_crypt_read_convert(struct dm_crypt_io *io)
{
struct crypt_config *cc = io->cc;
int r = 0;
blk_status_t r;
crypt_inc_pending(io);
@ -1748,7 +1748,7 @@ static void kcryptd_crypt_read_convert(struct dm_crypt_io *io)
io->sector);
r = crypt_convert(cc, &io->ctx);
if (r < 0)
if (r)
io->error = r;
if (atomic_dec_and_test(&io->ctx.cc_pending))
@ -1781,9 +1781,9 @@ static void kcryptd_async_done(struct crypto_async_request *async_req,
if (error == -EBADMSG) {
DMERR_LIMIT("INTEGRITY AEAD ERROR, sector %llu",
(unsigned long long)le64_to_cpu(*org_sector_of_dmreq(cc, dmreq)));
io->error = -EILSEQ;
io->error = BLK_STS_PROTECTION;
} else if (error < 0)
io->error = -EIO;
io->error = BLK_STS_IOERR;
crypt_free_req(cc, req_of_dmreq(cc, dmreq), io->base_bio);

5
drivers/md/dm-flakey.c
View File

@ -358,7 +358,8 @@ static int flakey_map(struct dm_target *ti, struct bio *bio)
return DM_MAPIO_REMAPPED;
}
static int flakey_end_io(struct dm_target *ti, struct bio *bio, int *error)
static int flakey_end_io(struct dm_target *ti, struct bio *bio,
blk_status_t *error)
{
struct flakey_c *fc = ti->private;
struct per_bio_data *pb = dm_per_bio_data(bio, sizeof(struct per_bio_data));
@ -377,7 +378,7 @@ static int flakey_end_io(struct dm_target *ti, struct bio *bio, int *error)
* Error read during the down_interval if drop_writes
* and error_writes were not configured.
*/
*error = -EIO;
*error = BLK_STS_IOERR;
}
}

18
drivers/md/dm-integrity.c
View File

@ -246,7 +246,7 @@ struct dm_integrity_io {
unsigned metadata_offset;
atomic_t in_flight;
int bi_error;
blk_status_t bi_status;
struct completion *completion;
@ -1114,8 +1114,8 @@ static void submit_flush_bio(struct dm_integrity_c *ic, struct dm_integrity_io *
static void do_endio(struct dm_integrity_c *ic, struct bio *bio)
{
int r = dm_integrity_failed(ic);
if (unlikely(r) && !bio->bi_error)
bio->bi_error = r;
if (unlikely(r) && !bio->bi_status)
bio->bi_status = errno_to_blk_status(r);
bio_endio(bio);
}
@ -1123,7 +1123,7 @@ static void do_endio_flush(struct dm_integrity_c *ic, struct dm_integrity_io *di
{
struct bio *bio = dm_bio_from_per_bio_data(dio, sizeof(struct dm_integrity_io));
if (unlikely(dio->fua) && likely(!bio->bi_error) && likely(!dm_integrity_failed(ic)))
if (unlikely(dio->fua) && likely(!bio->bi_status) && likely(!dm_integrity_failed(ic)))
submit_flush_bio(ic, dio);
else
do_endio(ic, bio);
@ -1142,9 +1142,9 @@ static void dec_in_flight(struct dm_integrity_io *dio)
bio = dm_bio_from_per_bio_data(dio, sizeof(struct dm_integrity_io));
if (unlikely(dio->bi_error) && !bio->bi_error)
bio->bi_error = dio->bi_error;
if (likely(!bio->bi_error) && unlikely(bio_sectors(bio) != dio->range.n_sectors)) {
if (unlikely(dio->bi_status) && !bio->bi_status)
bio->bi_status = dio->bi_status;
if (likely(!bio->bi_status) && unlikely(bio_sectors(bio) != dio->range.n_sectors)) {
dio->range.logical_sector += dio->range.n_sectors;
bio_advance(bio, dio->range.n_sectors << SECTOR_SHIFT);
INIT_WORK(&dio->work, integrity_bio_wait);
@ -1318,7 +1318,7 @@ static void integrity_metadata(struct work_struct *w)
dec_in_flight(dio);
return;
error:
dio->bi_error = r;
dio->bi_status = errno_to_blk_status(r);
dec_in_flight(dio);
}
@ -1331,7 +1331,7 @@ static int dm_integrity_map(struct dm_target *ti, struct bio *bio)
sector_t area, offset;
dio->ic = ic;
dio->bi_error = 0;
dio->bi_status = 0;
if (unlikely(bio->bi_opf & REQ_PREFLUSH)) {
submit_flush_bio(ic, dio);

10
drivers/md/dm-io.c
View File

@ -124,7 +124,7 @@ static void complete_io(struct io *io)
fn(error_bits, context);
}
static void dec_count(struct io *io, unsigned int region, int error)
static void dec_count(struct io *io, unsigned int region, blk_status_t error)
{
if (error)
set_bit(region, &io->error_bits);
@ -137,9 +137,9 @@ static void endio(struct bio *bio)
{
struct io *io;
unsigned region;
int error;
blk_status_t error;
if (bio->bi_error && bio_data_dir(bio) == READ)
if (bio->bi_status && bio_data_dir(bio) == READ)
zero_fill_bio(bio);
/*
@ -147,7 +147,7 @@ static void endio(struct bio *bio)
*/
retrieve_io_and_region_from_bio(bio, &io, &region);
error = bio->bi_error;
error = bio->bi_status;
bio_put(bio);
dec_count(io, region, error);
@ -319,7 +319,7 @@ static void do_region(int op, int op_flags, unsigned region,
if ((op == REQ_OP_DISCARD || op == REQ_OP_WRITE_ZEROES ||
op == REQ_OP_WRITE_SAME) &&
special_cmd_max_sectors == 0) {
dec_count(io, region, -EOPNOTSUPP);
dec_count(io, region, BLK_STS_NOTSUPP);
return;
}

7
drivers/md/dm-log-writes.c
View File

@ -150,10 +150,10 @@ static void log_end_io(struct bio *bio)
{
struct log_writes_c *lc = bio->bi_private;
if (bio->bi_error) {
if (bio->bi_status) {
unsigned long flags;
DMERR("Error writing log block, error=%d", bio->bi_error);
DMERR("Error writing log block, error=%d", bio->bi_status);
spin_lock_irqsave(&lc->blocks_lock, flags);
lc->logging_enabled = false;
spin_unlock_irqrestore(&lc->blocks_lock, flags);
@ -664,7 +664,8 @@ static int log_writes_map(struct dm_target *ti, struct bio *bio)
return DM_MAPIO_REMAPPED;
}
static int normal_end_io(struct dm_target *ti, struct bio *bio, int *error)
static int normal_end_io(struct dm_target *ti, struct bio *bio,
blk_status_t *error)
{
struct log_writes_c *lc = ti->private;
struct per_bio_data *pb = dm_per_bio_data(bio, sizeof(struct per_bio_data));

15
drivers/md/dm-mpath.c
View File

@ -565,7 +565,7 @@ static int __multipath_map_bio(struct multipath *m, struct bio *bio, struct dm_m
mpio->pgpath = pgpath;
mpio->nr_bytes = nr_bytes;
bio->bi_error = 0;
bio->bi_status = 0;
bio->bi_bdev = pgpath->path.dev->bdev;
bio->bi_opf |= REQ_FAILFAST_TRANSPORT;
@ -623,10 +623,10 @@ static void process_queued_bios(struct work_struct *work)
r = __multipath_map_bio(m, bio, get_mpio_from_bio(bio));
switch (r) {
case DM_MAPIO_KILL:
r = -EIO;
/*FALLTHRU*/
bio->bi_status = BLK_STS_IOERR;
bio_endio(bio);
case DM_MAPIO_REQUEUE:
bio->bi_error = r;
bio->bi_status = BLK_STS_DM_REQUEUE;
bio_endio(bio);
break;
case DM_MAPIO_REMAPPED:
@ -1510,7 +1510,8 @@ static int multipath_end_io(struct dm_target *ti, struct request *clone,
return r;
}
static int multipath_end_io_bio(struct dm_target *ti, struct bio *clone, int *error)
static int multipath_end_io_bio(struct dm_target *ti, struct bio *clone,
blk_status_t *error)
{
struct multipath *m = ti->private;
struct dm_mpath_io *mpio = get_mpio_from_bio(clone);
@ -1518,7 +1519,7 @@ static int multipath_end_io_bio(struct dm_target *ti, struct bio *clone, int *er
unsigned long flags;
int r = DM_ENDIO_DONE;
if (!*error || noretry_error(errno_to_blk_status(*error)))
if (!*error || noretry_error(*error))
goto done;
if (pgpath)
@ -1527,7 +1528,7 @@ static int multipath_end_io_bio(struct dm_target *ti, struct bio *clone, int *er
if (atomic_read(&m->nr_valid_paths) == 0 &&
!test_bit(MPATHF_QUEUE_IF_NO_PATH, &m->flags)) {
dm_report_EIO(m);
*error = -EIO;
*error = BLK_STS_IOERR;
goto done;
}

13
drivers/md/dm-raid1.c
View File

@ -490,9 +490,9 @@ static void hold_bio(struct mirror_set *ms, struct bio *bio)
* If device is suspended, complete the bio.
*/
if (dm_noflush_suspending(ms->ti))
bio->bi_error = DM_ENDIO_REQUEUE;
bio->bi_status = BLK_STS_DM_REQUEUE;
else
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
bio_endio(bio);
return;
@ -626,7 +626,7 @@ static void write_callback(unsigned long error, void *context)
* degrade the array.
*/
if (bio_op(bio) == REQ_OP_DISCARD) {
bio->bi_error = -EOPNOTSUPP;
bio->bi_status = BLK_STS_NOTSUPP;
bio_endio(bio);
return;
}
@ -1236,7 +1236,8 @@ static int mirror_map(struct dm_target *ti, struct bio *bio)
return DM_MAPIO_REMAPPED;
}
static int mirror_end_io(struct dm_target *ti, struct bio *bio, int *error)
static int mirror_end_io(struct dm_target *ti, struct bio *bio,
blk_status_t *error)
{
int rw = bio_data_dir(bio);
struct mirror_set *ms = (struct mirror_set *) ti->private;
@ -1255,7 +1256,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int *error)
return DM_ENDIO_DONE;
}
if (*error == -EOPNOTSUPP)
if (*error == BLK_STS_NOTSUPP)
return DM_ENDIO_DONE;
if (bio->bi_opf & REQ_RAHEAD)
@ -1277,7 +1278,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int *error)
bd = &bio_record->details;
dm_bio_restore(bd, bio);
bio->bi_error = 0;
bio->bi_status = 0;
queue_bio(ms, bio, rw);
return DM_ENDIO_INCOMPLETE;

2
drivers/md/dm-rq.c
View File

@ -119,7 +119,7 @@ static void end_clone_bio(struct bio *clone)
struct dm_rq_target_io *tio = info->tio;
struct bio *bio = info->orig;
unsigned int nr_bytes = info->orig->bi_iter.bi_size;
blk_status_t error = errno_to_blk_status(clone->bi_error);
blk_status_t error = clone->bi_status;
bio_put(clone);

5
drivers/md/dm-snap.c
View File

@ -1590,7 +1590,7 @@ static void full_bio_end_io(struct bio *bio)
{
void *callback_data = bio->bi_private;
dm_kcopyd_do_callback(callback_data, 0, bio->bi_error ? 1 : 0);
dm_kcopyd_do_callback(callback_data, 0, bio->bi_status ? 1 : 0);
}
static void start_full_bio(struct dm_snap_pending_exception *pe,
@ -1851,7 +1851,8 @@ static int snapshot_merge_map(struct dm_target *ti, struct bio *bio)
return r;
}
static int snapshot_end_io(struct dm_target *ti, struct bio *bio, int *error)
static int snapshot_end_io(struct dm_target *ti, struct bio *bio,
blk_status_t *error)
{
struct dm_snapshot *s = ti->private;

5
drivers/md/dm-stripe.c
View File

@ -375,7 +375,8 @@ static void stripe_status(struct dm_target *ti, status_type_t type,
}
}
static int stripe_end_io(struct dm_target *ti, struct bio *bio, int *error)
static int stripe_end_io(struct dm_target *ti, struct bio *bio,
blk_status_t *error)
{
unsigned i;
char major_minor[16];
@ -387,7 +388,7 @@ static int stripe_end_io(struct dm_target *ti, struct bio *bio, int *error)
if (bio->bi_opf & REQ_RAHEAD)
return DM_ENDIO_DONE;
if (*error == -EOPNOTSUPP)
if (*error == BLK_STS_NOTSUPP)
return DM_ENDIO_DONE;
memset(major_minor, 0, sizeof(major_minor));

65
drivers/md/dm-thin.c
View File

@ -383,8 +383,8 @@ static void end_discard(struct discard_op *op, int r)
* Even if r is set, there could be sub discards in flight that we
* need to wait for.
*/
if (r && !op->parent_bio->bi_error)
op->parent_bio->bi_error = r;
if (r && !op->parent_bio->bi_status)
op->parent_bio->bi_status = errno_to_blk_status(r);
bio_endio(op->parent_bio);
}
@ -450,22 +450,20 @@ static void cell_release_no_holder(struct pool *pool,
}
static void cell_error_with_code(struct pool *pool,
struct dm_bio_prison_cell *cell, int error_code)
struct dm_bio_prison_cell *cell, blk_status_t error_code)
{
dm_cell_error(pool->prison, cell, error_code);
dm_bio_prison_free_cell(pool->prison, cell);
}
static int get_pool_io_error_code(struct pool *pool)
static blk_status_t get_pool_io_error_code(struct pool *pool)
{
return pool->out_of_data_space ? -ENOSPC : -EIO;
return pool->out_of_data_space ? BLK_STS_NOSPC : BLK_STS_IOERR;
}
static void cell_error(struct pool *pool, struct dm_bio_prison_cell *cell)
{
int error = get_pool_io_error_code(pool);
cell_error_with_code(pool, cell, error);
cell_error_with_code(pool, cell, get_pool_io_error_code(pool));
}
static void cell_success(struct pool *pool, struct dm_bio_prison_cell *cell)
@ -475,7 +473,7 @@ static void cell_success(struct pool *pool, struct dm_bio_prison_cell *cell)
static void cell_requeue(struct pool *pool, struct dm_bio_prison_cell *cell)
{
cell_error_with_code(pool, cell, DM_ENDIO_REQUEUE);
cell_error_with_code(pool, cell, BLK_STS_DM_REQUEUE);
}
/*----------------------------------------------------------------*/
@ -555,17 +553,18 @@ static void __merge_bio_list(struct bio_list *bios, struct bio_list *master)
bio_list_init(master);
}
static void error_bio_list(struct bio_list *bios, int error)
static void error_bio_list(struct bio_list *bios, blk_status_t error)
{
struct bio *bio;
while ((bio = bio_list_pop(bios))) {
bio->bi_error = error;
bio->bi_status = error;
bio_endio(bio);
}
}
static void error_thin_bio_list(struct thin_c *tc, struct bio_list *master, int error)
static void error_thin_bio_list(struct thin_c *tc, struct bio_list *master,
blk_status_t error)
{
struct bio_list bios;
unsigned long flags;
@ -608,11 +607,11 @@ static void requeue_io(struct thin_c *tc)
__merge_bio_list(&bios, &tc->retry_on_resume_list);
spin_unlock_irqrestore(&tc->lock, flags);
error_bio_list(&bios, DM_ENDIO_REQUEUE);
error_bio_list(&bios, BLK_STS_DM_REQUEUE);
requeue_deferred_cells(tc);
}
static void error_retry_list_with_code(struct pool *pool, int error)
static void error_retry_list_with_code(struct pool *pool, blk_status_t error)
{
struct thin_c *tc;
@ -624,9 +623,7 @@ static void error_retry_list_with_code(struct pool *pool, int error)
static void error_retry_list(struct pool *pool)
{
int error = get_pool_io_error_code(pool);
error_retry_list_with_code(pool, error);
error_retry_list_with_code(pool, get_pool_io_error_code(pool));
}
/*
@ -774,7 +771,7 @@ struct dm_thin_new_mapping {
*/
atomic_t prepare_actions;
int err;
blk_status_t status;
struct thin_c *tc;
dm_block_t virt_begin, virt_end;
dm_block_t data_block;
@ -814,7 +811,7 @@ static void copy_complete(int read_err, unsigned long write_err, void *context)
{
struct dm_thin_new_mapping *m = context;
m->err = read_err || write_err ? -EIO : 0;
m->status = read_err || write_err ? BLK_STS_IOERR : 0;
complete_mapping_preparation(m);
}
@ -825,7 +822,7 @@ static void overwrite_endio(struct bio *bio)
bio->bi_end_io = m->saved_bi_end_io;
m->err = bio->bi_error;
m->status = bio->bi_status;
complete_mapping_preparation(m);
}
@ -925,7 +922,7 @@ static void process_prepared_mapping(struct dm_thin_new_mapping *m)
struct bio *bio = m->bio;
int r;
if (m->err) {
if (m->status) {
cell_error(pool, m->cell);
goto out;
}
@ -1495,7 +1492,7 @@ static void retry_on_resume(struct bio *bio)
spin_unlock_irqrestore(&tc->lock, flags);
}
static int should_error_unserviceable_bio(struct pool *pool)
static blk_status_t should_error_unserviceable_bio(struct pool *pool)
{
enum pool_mode m = get_pool_mode(pool);
@ -1503,27 +1500,27 @@ static int should_error_unserviceable_bio(struct pool *pool)
case PM_WRITE:
/* Shouldn't get here */
DMERR_LIMIT("bio unserviceable, yet pool is in PM_WRITE mode");
return -EIO;
return BLK_STS_IOERR;
case PM_OUT_OF_DATA_SPACE:
return pool->pf.error_if_no_space ? -ENOSPC : 0;
return pool->pf.error_if_no_space ? BLK_STS_NOSPC : 0;
case PM_READ_ONLY:
case PM_FAIL:
return -EIO;
return BLK_STS_IOERR;
default:
/* Shouldn't get here */
DMERR_LIMIT("bio unserviceable, yet pool has an unknown mode");
return -EIO;
return BLK_STS_IOERR;
}
}
static void handle_unserviceable_bio(struct pool *pool, struct bio *bio)
{
int error = should_error_unserviceable_bio(pool);
blk_status_t error = should_error_unserviceable_bio(pool);
if (error) {
bio->bi_error = error;
bio->bi_status = error;
bio_endio(bio);
} else
retry_on_resume(bio);
@ -1533,7 +1530,7 @@ static void retry_bios_on_resume(struct pool *pool, struct dm_bio_prison_cell *c
{
struct bio *bio;
struct bio_list bios;
int error;
blk_status_t error;
error = should_error_unserviceable_bio(pool);
if (error) {
@ -2071,7 +2068,8 @@ static void process_thin_deferred_bios(struct thin_c *tc)
unsigned count = 0;
if (tc->requeue_mode) {
error_thin_bio_list(tc, &tc->deferred_bio_list, DM_ENDIO_REQUEUE);
error_thin_bio_list(tc, &tc->deferred_bio_list,
BLK_STS_DM_REQUEUE);
return;
}
@ -2322,7 +2320,7 @@ static void do_no_space_timeout(struct work_struct *ws)
if (get_pool_mode(pool) == PM_OUT_OF_DATA_SPACE && !pool->pf.error_if_no_space) {
pool->pf.error_if_no_space = true;
notify_of_pool_mode_change_to_oods(pool);
error_retry_list_with_code(pool, -ENOSPC);
error_retry_list_with_code(pool, BLK_STS_NOSPC);
}
}
@ -2624,7 +2622,7 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio)
thin_hook_bio(tc, bio);
if (tc->requeue_mode) {
bio->bi_error = DM_ENDIO_REQUEUE;
bio->bi_status = BLK_STS_DM_REQUEUE;
bio_endio(bio);
return DM_MAPIO_SUBMITTED;
}
@ -4177,7 +4175,8 @@ static int thin_map(struct dm_target *ti, struct bio *bio)
return thin_bio_map(ti, bio);
}
static int thin_endio(struct dm_target *ti, struct bio *bio, int *err)
static int thin_endio(struct dm_target *ti, struct bio *bio,
blk_status_t *err)
{
unsigned long flags;
struct dm_thin_endio_hook *h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook));

10
drivers/md/dm-verity-target.c
View File

@ -538,13 +538,13 @@ static int verity_verify_io(struct dm_verity_io *io)
/*
* End one "io" structure with a given error.
*/
static void verity_finish_io(struct dm_verity_io *io, int error)
static void verity_finish_io(struct dm_verity_io *io, blk_status_t status)
{
struct dm_verity *v = io->v;
struct bio *bio = dm_bio_from_per_bio_data(io, v->ti->per_io_data_size);
bio->bi_end_io = io->orig_bi_end_io;
bio->bi_error = error;
bio->bi_status = status;
verity_fec_finish_io(io);
@ -555,15 +555,15 @@ static void verity_work(struct work_struct *w)
{
struct dm_verity_io *io = container_of(w, struct dm_verity_io, work);
verity_finish_io(io, verity_verify_io(io));
verity_finish_io(io, errno_to_blk_status(verity_verify_io(io)));
}
static void verity_end_io(struct bio *bio)
{
struct dm_verity_io *io = bio->bi_private;
if (bio->bi_error && !verity_fec_is_enabled(io->v)) {
verity_finish_io(io, bio->bi_error);
if (bio->bi_status && !verity_fec_is_enabled(io->v)) {
verity_finish_io(io, bio->bi_status);
return;
}

40
drivers/md/dm.c
View File

@ -63,7 +63,7 @@ static struct workqueue_struct *deferred_remove_workqueue;
*/
struct dm_io {
struct mapped_device *md;
int error;
blk_status_t status;
atomic_t io_count;
struct bio *bio;
unsigned long start_time;
@ -768,23 +768,24 @@ static int __noflush_suspending(struct mapped_device *md)
* Decrements the number of outstanding ios that a bio has been
* cloned into, completing the original io if necc.
*/
static void dec_pending(struct dm_io *io, int error)
static void dec_pending(struct dm_io *io, blk_status_t error)
{
unsigned long flags;
int io_error;
blk_status_t io_error;
struct bio *bio;
struct mapped_device *md = io->md;
/* Push-back supersedes any I/O errors */
if (unlikely(error)) {
spin_lock_irqsave(&io->endio_lock, flags);
if (!(io->error > 0 && __noflush_suspending(md)))
io->error = error;
if (!(io->status == BLK_STS_DM_REQUEUE &&
__noflush_suspending(md)))
io->status = error;
spin_unlock_irqrestore(&io->endio_lock, flags);
}
if (atomic_dec_and_test(&io->io_count)) {
if (io->error == DM_ENDIO_REQUEUE) {
if (io->status == BLK_STS_DM_REQUEUE) {
/*
* Target requested pushing back the I/O.
*/
@ -793,16 +794,16 @@ static void dec_pending(struct dm_io *io, int error)
bio_list_add_head(&md->deferred, io->bio);
else
/* noflush suspend was interrupted. */
io->error = -EIO;
io->status = BLK_STS_IOERR;
spin_unlock_irqrestore(&md->deferred_lock, flags);
}
io_error = io->error;
io_error = io->status;
bio = io->bio;
end_io_acct(io);
free_io(md, io);
if (io_error == DM_ENDIO_REQUEUE)
if (io_error == BLK_STS_DM_REQUEUE)
return;
if ((bio->bi_opf & REQ_PREFLUSH) && bio->bi_iter.bi_size) {
@ -814,7 +815,7 @@ static void dec_pending(struct dm_io *io, int error)
queue_io(md, bio);
} else {
/* done with normal IO or empty flush */
bio->bi_error = io_error;
bio->bi_status = io_error;
bio_endio(bio);
}
}
@ -838,14 +839,13 @@ void disable_write_zeroes(struct mapped_device *md)
static void clone_endio(struct bio *bio)
{
int error = bio->bi_error;
int r = error;
blk_status_t error = bio->bi_status;
struct dm_target_io *tio = container_of(bio, struct dm_target_io, clone);
struct dm_io *io = tio->io;
struct mapped_device *md = tio->io->md;
dm_endio_fn endio = tio->ti->type->end_io;
if (unlikely(error == -EREMOTEIO)) {
if (unlikely(error == BLK_STS_TARGET)) {
if (bio_op(bio) == REQ_OP_WRITE_SAME &&
!bdev_get_queue(bio->bi_bdev)->limits.max_write_same_sectors)
disable_write_same(md);
@ -855,10 +855,10 @@ static void clone_endio(struct bio *bio)
}
if (endio) {
r = endio(tio->ti, bio, &error);
int r = endio(tio->ti, bio, &error);
switch (r) {
case DM_ENDIO_REQUEUE:
error = DM_ENDIO_REQUEUE;
error = BLK_STS_DM_REQUEUE;
/*FALLTHRU*/
case DM_ENDIO_DONE:
break;
@ -1094,11 +1094,11 @@ static void __map_bio(struct dm_target_io *tio)
generic_make_request(clone);
break;
case DM_MAPIO_KILL:
r = -EIO;
/*FALLTHRU*/
dec_pending(tio->io, BLK_STS_IOERR);
free_tio(tio);
break;
case DM_MAPIO_REQUEUE:
/* error the io and bail out, or requeue it if needed */
dec_pending(tio->io, r);
dec_pending(tio->io, BLK_STS_DM_REQUEUE);
free_tio(tio);
break;
default:
@ -1366,7 +1366,7 @@ static void __split_and_process_bio(struct mapped_device *md,
ci.map = map;
ci.md = md;
ci.io = alloc_io(md);
ci.io->error = 0;
ci.io->status = 0;
atomic_set(&ci.io->io_count, 1);
ci.io->bio = bio;
ci.io->md = md;

8
drivers/md/md.c
View File

@ -273,7 +273,7 @@ static blk_qc_t md_make_request(struct request_queue *q, struct bio *bio)
}
if (mddev->ro == 1 && unlikely(rw == WRITE)) {
if (bio_sectors(bio) != 0)
bio->bi_error = -EROFS;
bio->bi_status = BLK_STS_IOERR;
bio_endio(bio);
return BLK_QC_T_NONE;
}
@ -719,8 +719,8 @@ static void super_written(struct bio *bio)
struct md_rdev *rdev = bio->bi_private;
struct mddev *mddev = rdev->mddev;
if (bio->bi_error) {
pr_err("md: super_written gets error=%d\n", bio->bi_error);
if (bio->bi_status) {
pr_err("md: super_written gets error=%d\n", bio->bi_status);
md_error(mddev, rdev);
if (!test_bit(Faulty, &rdev->flags)
&& (bio->bi_opf & MD_FAILFAST)) {
@ -801,7 +801,7 @@ int sync_page_io(struct md_rdev *rdev, sector_t sector, int size,
submit_bio_wait(bio);
ret = !bio->bi_error;
ret = !bio->bi_status;
bio_put(bio);
return ret;
}

10
drivers/md/multipath.c
View File

@ -73,12 +73,12 @@ static void multipath_reschedule_retry (struct multipath_bh *mp_bh)
* operation and are ready to return a success/failure code to the buffer
* cache layer.
*/
static void multipath_end_bh_io (struct multipath_bh *mp_bh, int err)
static void multipath_end_bh_io(struct multipath_bh *mp_bh, blk_status_t status)
{
struct bio *bio = mp_bh->master_bio;
struct mpconf *conf = mp_bh->mddev->private;
bio->bi_error = err;
bio->bi_status = status;
bio_endio(bio);
mempool_free(mp_bh, conf->pool);
}
@ -89,7 +89,7 @@ static void multipath_end_request(struct bio *bio)
struct mpconf *conf = mp_bh->mddev->private;
struct md_rdev *rdev = conf->multipaths[mp_bh->path].rdev;
if (!bio->bi_error)
if (!bio->bi_status)
multipath_end_bh_io(mp_bh, 0);
else if (!(bio->bi_opf & REQ_RAHEAD)) {
/*
@ -102,7 +102,7 @@ static void multipath_end_request(struct bio *bio)
(unsigned long long)bio->bi_iter.bi_sector);
multipath_reschedule_retry(mp_bh);
} else
multipath_end_bh_io(mp_bh, bio->bi_error);
multipath_end_bh_io(mp_bh, bio->bi_status);
rdev_dec_pending(rdev, conf->mddev);
}
@ -347,7 +347,7 @@ static void multipathd(struct md_thread *thread)
pr_err("multipath: %s: unrecoverable IO read error for block %llu\n",
bdevname(bio->bi_bdev,b),
(unsigned long long)bio->bi_iter.bi_sector);
multipath_end_bh_io(mp_bh, -EIO);
multipath_end_bh_io(mp_bh, BLK_STS_IOERR);
} else {
pr_err("multipath: %s: redirecting sector %llu to another IO path\n",
bdevname(bio->bi_bdev,b),

36
drivers/md/raid1.c
View File

@ -277,7 +277,7 @@ static void call_bio_endio(struct r1bio *r1_bio)
struct r1conf *conf = r1_bio->mddev->private;
if (!test_bit(R1BIO_Uptodate, &r1_bio->state))
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
bio_endio(bio);
/*
@ -335,7 +335,7 @@ static int find_bio_disk(struct r1bio *r1_bio, struct bio *bio)
static void raid1_end_read_request(struct bio *bio)
{
int uptodate = !bio->bi_error;
int uptodate = !bio->bi_status;
struct r1bio *r1_bio = bio->bi_private;
struct r1conf *conf = r1_bio->mddev->private;
struct md_rdev *rdev = conf->mirrors[r1_bio->read_disk].rdev;
@ -426,12 +426,12 @@ static void raid1_end_write_request(struct bio *bio)
struct md_rdev *rdev = conf->mirrors[mirror].rdev;
bool discard_error;
discard_error = bio->bi_error && bio_op(bio) == REQ_OP_DISCARD;
discard_error = bio->bi_status && bio_op(bio) == REQ_OP_DISCARD;
/*
* 'one mirror IO has finished' event handler:
*/
if (bio->bi_error && !discard_error) {
if (bio->bi_status && !discard_error) {
set_bit(WriteErrorSeen, &rdev->flags);
if (!test_and_set_bit(WantReplacement, &rdev->flags))
set_bit(MD_RECOVERY_NEEDED, &
@ -802,7 +802,7 @@ static void flush_bio_list(struct r1conf *conf, struct bio *bio)
bio->bi_next = NULL;
bio->bi_bdev = rdev->bdev;
if (test_bit(Faulty, &rdev->flags)) {
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
bio_endio(bio);
} else if (unlikely((bio_op(bio) == REQ_OP_DISCARD) &&
!blk_queue_discard(bdev_get_queue(bio->bi_bdev))))
@ -1856,7 +1856,7 @@ static void end_sync_read(struct bio *bio)
* or re-read if the read failed.
* We don't do much here, just schedule handling by raid1d
*/
if (!bio->bi_error)
if (!bio->bi_status)
set_bit(R1BIO_Uptodate, &r1_bio->state);
if (atomic_dec_and_test(&r1_bio->remaining))
@ -1865,7 +1865,7 @@ static void end_sync_read(struct bio *bio)
static void end_sync_write(struct bio *bio)
{
int uptodate = !bio->bi_error;
int uptodate = !bio->bi_status;
struct r1bio *r1_bio = get_resync_r1bio(bio);
struct mddev *mddev = r1_bio->mddev;
struct r1conf *conf = mddev->private;
@ -2058,7 +2058,7 @@ static int fix_sync_read_error(struct r1bio *r1_bio)
idx ++;
}
set_bit(R1BIO_Uptodate, &r1_bio->state);
bio->bi_error = 0;
bio->bi_status = 0;
return 1;
}
@ -2082,16 +2082,16 @@ static void process_checks(struct r1bio *r1_bio)
for (i = 0; i < conf->raid_disks * 2; i++) {
int j;
int size;
int error;
blk_status_t status;
struct bio_vec *bi;
struct bio *b = r1_bio->bios[i];
struct resync_pages *rp = get_resync_pages(b);
if (b->bi_end_io != end_sync_read)
continue;
/* fixup the bio for reuse, but preserve errno */
error = b->bi_error;
status = b->bi_status;
bio_reset(b);
b->bi_error = error;
b->bi_status = status;
b->bi_vcnt = vcnt;
b->bi_iter.bi_size = r1_bio->sectors << 9;
b->bi_iter.bi_sector = r1_bio->sector +
@ -2113,7 +2113,7 @@ static void process_checks(struct r1bio *r1_bio)
}
for (primary = 0; primary < conf->raid_disks * 2; primary++)
if (r1_bio->bios[primary]->bi_end_io == end_sync_read &&
!r1_bio->bios[primary]->bi_error) {
!r1_bio->bios[primary]->bi_status) {
r1_bio->bios[primary]->bi_end_io = NULL;
rdev_dec_pending(conf->mirrors[primary].rdev, mddev);
break;
@ -2123,7 +2123,7 @@ static void process_checks(struct r1bio *r1_bio)
int j;
struct bio *pbio = r1_bio->bios[primary];
struct bio *sbio = r1_bio->bios[i];
int error = sbio->bi_error;
blk_status_t status = sbio->bi_status;
struct page **ppages = get_resync_pages(pbio)->pages;
struct page **spages = get_resync_pages(sbio)->pages;
struct bio_vec *bi;
@ -2132,12 +2132,12 @@ static void process_checks(struct r1bio *r1_bio)
if (sbio->bi_end_io != end_sync_read)
continue;
/* Now we can 'fixup' the error value */
sbio->bi_error = 0;
sbio->bi_status = 0;
bio_for_each_segment_all(bi, sbio, j)
page_len[j] = bi->bv_len;
if (!error) {
if (!status) {
for (j = vcnt; j-- ; ) {
if (memcmp(page_address(ppages[j]),
page_address(spages[j]),
@ -2149,7 +2149,7 @@ static void process_checks(struct r1bio *r1_bio)
if (j >= 0)
atomic64_add(r1_bio->sectors, &mddev->resync_mismatches);
if (j < 0 || (test_bit(MD_RECOVERY_CHECK, &mddev->recovery)
&& !error)) {
&& !status)) {
/* No need to write to this device. */
sbio->bi_end_io = NULL;
rdev_dec_pending(conf->mirrors[i].rdev, mddev);
@ -2400,11 +2400,11 @@ static void handle_sync_write_finished(struct r1conf *conf, struct r1bio *r1_bio
struct bio *bio = r1_bio->bios[m];
if (bio->bi_end_io == NULL)
continue;
if (!bio->bi_error &&
if (!bio->bi_status &&
test_bit(R1BIO_MadeGood, &r1_bio->state)) {
rdev_clear_badblocks(rdev, r1_bio->sector, s, 0);
}
if (bio->bi_error &&
if (bio->bi_status &&
test_bit(R1BIO_WriteError, &r1_bio->state)) {
if (!rdev_set_badblocks(rdev, r1_bio->sector, s, 0))
md_error(conf->mddev, rdev);

36
drivers/md/raid10.c
View File

@ -336,7 +336,7 @@ static void raid_end_bio_io(struct r10bio *r10_bio)
struct r10conf *conf = r10_bio->mddev->private;
if (!test_bit(R10BIO_Uptodate, &r10_bio->state))
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
bio_endio(bio);
/*
@ -389,7 +389,7 @@ static int find_bio_disk(struct r10conf *conf, struct r10bio *r10_bio,
static void raid10_end_read_request(struct bio *bio)
{
int uptodate = !bio->bi_error;
int uptodate = !bio->bi_status;
struct r10bio *r10_bio = bio->bi_private;
int slot, dev;
struct md_rdev *rdev;
@ -477,7 +477,7 @@ static void raid10_end_write_request(struct bio *bio)
struct bio *to_put = NULL;
bool discard_error;
discard_error = bio->bi_error && bio_op(bio) == REQ_OP_DISCARD;
discard_error = bio->bi_status && bio_op(bio) == REQ_OP_DISCARD;
dev = find_bio_disk(conf, r10_bio, bio, &slot, &repl);
@ -491,7 +491,7 @@ static void raid10_end_write_request(struct bio *bio)
/*
* this branch is our 'one mirror IO has finished' event handler:
*/
if (bio->bi_error && !discard_error) {
if (bio->bi_status && !discard_error) {
if (repl)
/* Never record new bad blocks to replacement,
* just fail it.
@ -913,7 +913,7 @@ static void flush_pending_writes(struct r10conf *conf)
bio->bi_next = NULL;
bio->bi_bdev = rdev->bdev;
if (test_bit(Faulty, &rdev->flags)) {
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
bio_endio(bio);
} else if (unlikely((bio_op(bio) == REQ_OP_DISCARD) &&
!blk_queue_discard(bdev_get_queue(bio->bi_bdev))))
@ -1098,7 +1098,7 @@ static void raid10_unplug(struct blk_plug_cb *cb, bool from_schedule)
bio->bi_next = NULL;
bio->bi_bdev = rdev->bdev;
if (test_bit(Faulty, &rdev->flags)) {
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
bio_endio(bio);
} else if (unlikely((bio_op(bio) == REQ_OP_DISCARD) &&
!blk_queue_discard(bdev_get_queue(bio->bi_bdev))))
@ -1888,7 +1888,7 @@ static void __end_sync_read(struct r10bio *r10_bio, struct bio *bio, int d)
{
struct r10conf *conf = r10_bio->mddev->private;
if (!bio->bi_error)
if (!bio->bi_status)
set_bit(R10BIO_Uptodate, &r10_bio->state);
else
/* The write handler will notice the lack of
@ -1972,7 +1972,7 @@ static void end_sync_write(struct bio *bio)
else
rdev = conf->mirrors[d].rdev;
if (bio->bi_error) {
if (bio->bi_status) {
if (repl)
md_error(mddev, rdev);
else {
@ -2021,7 +2021,7 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio)
/* find the first device with a block */
for (i=0; i<conf->copies; i++)
if (!r10_bio->devs[i].bio->bi_error)
if (!r10_bio->devs[i].bio->bi_status)
break;
if (i == conf->copies)
@ -2050,7 +2050,7 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio)
tpages = get_resync_pages(tbio)->pages;
d = r10_bio->devs[i].devnum;
rdev = conf->mirrors[d].rdev;
if (!r10_bio->devs[i].bio->bi_error) {
if (!r10_bio->devs[i].bio->bi_status) {
/* We know that the bi_io_vec layout is the same for
* both 'first' and 'i', so we just compare them.
* All vec entries are PAGE_SIZE;
@ -2633,7 +2633,7 @@ static void handle_write_completed(struct r10conf *conf, struct r10bio *r10_bio)
rdev = conf->mirrors[dev].rdev;
if (r10_bio->devs[m].bio == NULL)
continue;
if (!r10_bio->devs[m].bio->bi_error) {
if (!r10_bio->devs[m].bio->bi_status) {
rdev_clear_badblocks(
rdev,
r10_bio->devs[m].addr,
@ -2649,7 +2649,7 @@ static void handle_write_completed(struct r10conf *conf, struct r10bio *r10_bio)
if (r10_bio->devs[m].repl_bio == NULL)
continue;
if (!r10_bio->devs[m].repl_bio->bi_error) {
if (!r10_bio->devs[m].repl_bio->bi_status) {
rdev_clear_badblocks(
rdev,
r10_bio->devs[m].addr,
@ -2675,7 +2675,7 @@ static void handle_write_completed(struct r10conf *conf, struct r10bio *r10_bio)
r10_bio->devs[m].addr,
r10_bio->sectors, 0);
rdev_dec_pending(rdev, conf->mddev);
} else if (bio != NULL && bio->bi_error) {
} else if (bio != NULL && bio->bi_status) {
fail = true;
if (!narrow_write_error(r10_bio, m)) {
md_error(conf->mddev, rdev);
@ -3267,7 +3267,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr,
r10_bio->devs[i].repl_bio->bi_end_io = NULL;
bio = r10_bio->devs[i].bio;
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
rcu_read_lock();
rdev = rcu_dereference(conf->mirrors[d].rdev);
if (rdev == NULL || test_bit(Faulty, &rdev->flags)) {
@ -3309,7 +3309,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr,
/* Need to set up for writing to the replacement */
bio = r10_bio->devs[i].repl_bio;
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
sector = r10_bio->devs[i].addr;
bio->bi_next = biolist;
@ -3375,7 +3375,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr,
if (bio->bi_end_io == end_sync_read) {
md_sync_acct(bio->bi_bdev, nr_sectors);
bio->bi_error = 0;
bio->bi_status = 0;
generic_make_request(bio);
}
}
@ -4394,7 +4394,7 @@ static sector_t reshape_request(struct mddev *mddev, sector_t sector_nr,
read_bio->bi_end_io = end_reshape_read;
bio_set_op_attrs(read_bio, REQ_OP_READ, 0);
read_bio->bi_flags &= (~0UL << BIO_RESET_BITS);
read_bio->bi_error = 0;
read_bio->bi_status = 0;
read_bio->bi_vcnt = 0;
read_bio->bi_iter.bi_size = 0;
r10_bio->master_bio = read_bio;
@ -4638,7 +4638,7 @@ static void end_reshape_write(struct bio *bio)
rdev = conf->mirrors[d].rdev;
}
if (bio->bi_error) {
if (bio->bi_status) {
/* FIXME should record badblock */
md_error(mddev, rdev);
}

4
drivers/md/raid5-cache.c
View File

@ -572,7 +572,7 @@ static void r5l_log_endio(struct bio *bio)
struct r5l_log *log = io->log;
unsigned long flags;
if (bio->bi_error)
if (bio->bi_status)
md_error(log->rdev->mddev, log->rdev);
bio_put(bio);
@ -1247,7 +1247,7 @@ static void r5l_log_flush_endio(struct bio *bio)
unsigned long flags;
struct r5l_io_unit *io;
if (bio->bi_error)
if (bio->bi_status)
md_error(log->rdev->mddev, log->rdev);
spin_lock_irqsave(&log->io_list_lock, flags);

2
drivers/md/raid5-ppl.c
View File

@ -397,7 +397,7 @@ static void ppl_log_endio(struct bio *bio)
pr_debug("%s: seq: %llu\n", __func__, io->seq);
if (bio->bi_error)
if (bio->bi_status)
md_error(ppl_conf->mddev, log->rdev);
list_for_each_entry_safe(sh, next, &io->stripe_list, log_list) {

22
drivers/md/raid5.c
View File

@ -2476,7 +2476,7 @@ static void raid5_end_read_request(struct bio * bi)
pr_debug("end_read_request %llu/%d, count: %d, error %d.\n",
(unsigned long long)sh->sector, i, atomic_read(&sh->count),
bi->bi_error);
bi->bi_status);
if (i == disks) {
bio_reset(bi);
BUG();
@ -2496,7 +2496,7 @@ static void raid5_end_read_request(struct bio * bi)
s = sh->sector + rdev->new_data_offset;
else
s = sh->sector + rdev->data_offset;
if (!bi->bi_error) {
if (!bi->bi_status) {
set_bit(R5_UPTODATE, &sh->dev[i].flags);
if (test_bit(R5_ReadError, &sh->dev[i].flags)) {
/* Note that this cannot happen on a
@ -2613,7 +2613,7 @@ static void raid5_end_write_request(struct bio *bi)
}
pr_debug("end_write_request %llu/%d, count %d, error: %d.\n",
(unsigned long long)sh->sector, i, atomic_read(&sh->count),
bi->bi_error);
bi->bi_status);
if (i == disks) {
bio_reset(bi);
BUG();
@ -2621,14 +2621,14 @@ static void raid5_end_write_request(struct bio *bi)
}
if (replacement) {
if (bi->bi_error)
if (bi->bi_status)
md_error(conf->mddev, rdev);
else if (is_badblock(rdev, sh->sector,
STRIPE_SECTORS,
&first_bad, &bad_sectors))
set_bit(R5_MadeGoodRepl, &sh->dev[i].flags);
} else {
if (bi->bi_error) {
if (bi->bi_status) {
set_bit(STRIPE_DEGRADED, &sh->state);
set_bit(WriteErrorSeen, &rdev->flags);
set_bit(R5_WriteError, &sh->dev[i].flags);
@ -2649,7 +2649,7 @@ static void raid5_end_write_request(struct bio *bi)
}
rdev_dec_pending(rdev, conf->mddev);
if (sh->batch_head && bi->bi_error && !replacement)
if (sh->batch_head && bi->bi_status && !replacement)
set_bit(STRIPE_BATCH_ERR, &sh->batch_head->state);
bio_reset(bi);
@ -3381,7 +3381,7 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh,
sh->dev[i].sector + STRIPE_SECTORS) {
struct bio *nextbi = r5_next_bio(bi, sh->dev[i].sector);
bi->bi_error = -EIO;
bi->bi_status = BLK_STS_IOERR;
md_write_end(conf->mddev);
bio_endio(bi);
bi = nextbi;
@ -3403,7 +3403,7 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh,
sh->dev[i].sector + STRIPE_SECTORS) {
struct bio *bi2 = r5_next_bio(bi, sh->dev[i].sector);
bi->bi_error = -EIO;
bi->bi_status = BLK_STS_IOERR;
md_write_end(conf->mddev);
bio_endio(bi);
bi = bi2;
@ -3429,7 +3429,7 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh,
struct bio *nextbi =
r5_next_bio(bi, sh->dev[i].sector);
bi->bi_error = -EIO;
bi->bi_status = BLK_STS_IOERR;
bio_endio(bi);
bi = nextbi;
}
@ -5144,7 +5144,7 @@ static void raid5_align_endio(struct bio *bi)
struct mddev *mddev;
struct r5conf *conf;
struct md_rdev *rdev;
int error = bi->bi_error;
blk_status_t error = bi->bi_status;
bio_put(bi);
@ -5721,7 +5721,7 @@ static void raid5_make_request(struct mddev *mddev, struct bio * bi)
release_stripe_plug(mddev, sh);
} else {
/* cannot get stripe for read-ahead, just give-up */
bi->bi_error = -EIO;
bi->bi_status = BLK_STS_IOERR;
break;
}
}

4
drivers/nvdimm/blk.c
View File

@ -186,7 +186,7 @@ static blk_qc_t nd_blk_make_request(struct request_queue *q, struct bio *bio)
* another kernel subsystem, and we just pass it through.
*/
if (bio_integrity_enabled(bio) && bio_integrity_prep(bio)) {
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
goto out;
}
@ -205,7 +205,7 @@ static blk_qc_t nd_blk_make_request(struct request_queue *q, struct bio *bio)
"io error in %s sector %lld, len %d,\n",
(rw == READ) ? "READ" : "WRITE",
(unsigned long long) iter.bi_sector, len);
bio->bi_error = err;
bio->bi_status = errno_to_blk_status(err);
break;
}
}

4
drivers/nvdimm/btt.c
View File

@ -1210,7 +1210,7 @@ static blk_qc_t btt_make_request(struct request_queue *q, struct bio *bio)
* another kernel subsystem, and we just pass it through.
*/
if (bio_integrity_enabled(bio) && bio_integrity_prep(bio)) {
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
goto out;
}
@ -1232,7 +1232,7 @@ static blk_qc_t btt_make_request(struct request_queue *q, struct bio *bio)
(op_is_write(bio_op(bio))) ? "WRITE" :
"READ",
(unsigned long long) iter.bi_sector, len);
bio->bi_error = err;
bio->bi_status = errno_to_blk_status(err);
break;
}
}

28
drivers/nvdimm/pmem.c
View File

@ -49,19 +49,19 @@ static struct nd_region *to_region(struct pmem_device *pmem)
return to_nd_region(to_dev(pmem)->parent);
}
static int pmem_clear_poison(struct pmem_device *pmem, phys_addr_t offset,
unsigned int len)
static blk_status_t pmem_clear_poison(struct pmem_device *pmem,
phys_addr_t offset, unsigned int len)
{
struct device *dev = to_dev(pmem);
sector_t sector;
long cleared;
int rc = 0;
blk_status_t rc = BLK_STS_OK;
sector = (offset - pmem->data_offset) / 512;
cleared = nvdimm_clear_poison(dev, pmem->phys_addr + offset, len);
if (cleared < len)
rc = -EIO;
rc = BLK_STS_IOERR;
if (cleared > 0 && cleared / 512) {
cleared /= 512;
dev_dbg(dev, "%s: %#llx clear %ld sector%s\n", __func__,
@ -84,7 +84,7 @@ static void write_pmem(void *pmem_addr, struct page *page,
kunmap_atomic(mem);
}
static int read_pmem(struct page *page, unsigned int off,
static blk_status_t read_pmem(struct page *page, unsigned int off,
void *pmem_addr, unsigned int len)
{
int rc;
@ -93,15 +93,15 @@ static int read_pmem(struct page *page, unsigned int off,
rc = memcpy_mcsafe(mem + off, pmem_addr, len);
kunmap_atomic(mem);
if (rc)
return -EIO;
return 0;
return BLK_STS_IOERR;
return BLK_STS_OK;
}
static int pmem_do_bvec(struct pmem_device *pmem, struct page *page,
static blk_status_t pmem_do_bvec(struct pmem_device *pmem, struct page *page,
unsigned int len, unsigned int off, bool is_write,
sector_t sector)
{
int rc = 0;
blk_status_t rc = BLK_STS_OK;
bool bad_pmem = false;
phys_addr_t pmem_off = sector * 512 + pmem->data_offset;
void *pmem_addr = pmem->virt_addr + pmem_off;
@ -111,7 +111,7 @@ static int pmem_do_bvec(struct pmem_device *pmem, struct page *page,
if (!is_write) {
if (unlikely(bad_pmem))
rc = -EIO;
rc = BLK_STS_IOERR;
else {
rc = read_pmem(page, off, pmem_addr, len);
flush_dcache_page(page);
@ -149,7 +149,7 @@ static int pmem_do_bvec(struct pmem_device *pmem, struct page *page,
static blk_qc_t pmem_make_request(struct request_queue *q, struct bio *bio)
{
int rc = 0;
blk_status_t rc = 0;
bool do_acct;
unsigned long start;
struct bio_vec bvec;
@ -166,7 +166,7 @@ static blk_qc_t pmem_make_request(struct request_queue *q, struct bio *bio)
bvec.bv_offset, op_is_write(bio_op(bio)),
iter.bi_sector);
if (rc) {
bio->bi_error = rc;
bio->bi_status = rc;
break;
}
}
@ -184,7 +184,7 @@ static int pmem_rw_page(struct block_device *bdev, sector_t sector,
struct page *page, bool is_write)
{
struct pmem_device *pmem = bdev->bd_queue->queuedata;
int rc;
blk_status_t rc;
rc = pmem_do_bvec(pmem, page, PAGE_SIZE, 0, is_write, sector);
@ -197,7 +197,7 @@ static int pmem_rw_page(struct block_device *bdev, sector_t sector,
if (rc == 0)
page_endio(page, is_write, 0);
return rc;
return blk_status_to_errno(rc);
}
/* see "strong" declaration in tools/testing/nvdimm/pmem-dax.c */

4
drivers/nvme/target/io-cmd.c
View File

@ -21,7 +21,7 @@ static void nvmet_bio_done(struct bio *bio)
struct nvmet_req *req = bio->bi_private;
nvmet_req_complete(req,
bio->bi_error ? NVME_SC_INTERNAL | NVME_SC_DNR : 0);
bio->bi_status ? NVME_SC_INTERNAL | NVME_SC_DNR : 0);
if (bio != &req->inline_bio)
bio_put(bio);
@ -145,7 +145,7 @@ static void nvmet_execute_discard(struct nvmet_req *req)
bio->bi_private = req;
bio->bi_end_io = nvmet_bio_done;
if (status) {
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
bio_endio(bio);
} else {
submit_bio(bio);

10
drivers/target/target_core_iblock.c
View File

@ -296,8 +296,8 @@ static void iblock_bio_done(struct bio *bio)
struct se_cmd *cmd = bio->bi_private;
struct iblock_req *ibr = cmd->priv;
if (bio->bi_error) {
pr_err("bio error: %p, err: %d\n", bio, bio->bi_error);
if (bio->bi_status) {
pr_err("bio error: %p, err: %d\n", bio, bio->bi_status);
/*
* Bump the ib_bio_err_cnt and release bio.
*/
@ -354,11 +354,11 @@ static void iblock_end_io_flush(struct bio *bio)
{
struct se_cmd *cmd = bio->bi_private;
if (bio->bi_error)
pr_err("IBLOCK: cache flush failed: %d\n", bio->bi_error);
if (bio->bi_status)
pr_err("IBLOCK: cache flush failed: %d\n", bio->bi_status);
if (cmd) {
if (bio->bi_error)
if (bio->bi_status)
target_complete_cmd(cmd, SAM_STAT_CHECK_CONDITION);
else
target_complete_cmd(cmd, SAM_STAT_GOOD);

18
fs/block_dev.c
View File

@ -262,8 +262,8 @@ __blkdev_direct_IO_simple(struct kiocb *iocb, struct iov_iter *iter,
if (vecs != inline_vecs)
kfree(vecs);
if (unlikely(bio.bi_error))
return bio.bi_error;
if (unlikely(bio.bi_status))
return blk_status_to_errno(bio.bi_status);
return ret;
}
@ -288,16 +288,18 @@ static void blkdev_bio_end_io(struct bio *bio)
bool should_dirty = dio->should_dirty;
if (dio->multi_bio && !atomic_dec_and_test(&dio->ref)) {
if (bio->bi_error && !dio->bio.bi_error)
dio->bio.bi_error = bio->bi_error;
if (bio->bi_status && !dio->bio.bi_status)
dio->bio.bi_status = bio->bi_status;
} else {
if (!dio->is_sync) {
struct kiocb *iocb = dio->iocb;
ssize_t ret = dio->bio.bi_error;
ssize_t ret;
if (likely(!ret)) {
if (likely(!dio->bio.bi_status)) {
ret = dio->size;
iocb->ki_pos += ret;
} else {
ret = blk_status_to_errno(dio->bio.bi_status);
}
dio->iocb->ki_complete(iocb, ret, 0);
@ -363,7 +365,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages)
ret = bio_iov_iter_get_pages(bio, iter);
if (unlikely(ret)) {
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
bio_endio(bio);
break;
}
@ -413,7 +415,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages)
__set_current_state(TASK_RUNNING);
if (!ret)
ret = dio->bio.bi_error;
ret = blk_status_to_errno(dio->bio.bi_status);
if (likely(!ret))
ret = dio->size;

3
fs/btrfs/btrfs_inode.h
View File

@ -310,7 +310,8 @@ struct btrfs_dio_private {
* The original bio may be split to several sub-bios, this is
* done during endio of sub-bios
*/
int (*subio_endio)(struct inode *, struct btrfs_io_bio *, int);
blk_status_t (*subio_endio)(struct inode *, struct btrfs_io_bio *,
blk_status_t);
};
/*

4
fs/btrfs/check-integrity.c
View File

@ -2129,7 +2129,7 @@ static void btrfsic_bio_end_io(struct bio *bp)
/* mutex is not held! This is not save if IO is not yet completed
* on umount */
iodone_w_error = 0;
if (bp->bi_error)
if (bp->bi_status)
iodone_w_error = 1;
BUG_ON(NULL == block);
@ -2143,7 +2143,7 @@ static void btrfsic_bio_end_io(struct bio *bp)
if ((dev_state->state->print_mask &
BTRFSIC_PRINT_MASK_END_IO_BIO_BH))
pr_info("bio_end_io(err=%d) for %c @%llu (%s/%llu/%d)\n",
bp->bi_error,
bp->bi_status,
btrfsic_get_block_type(dev_state->state, block),
block->logical_bytenr, dev_state->name,
block->dev_bytenr, block->mirror_num);

44
fs/btrfs/compression.c
View File

@ -155,7 +155,7 @@ static void end_compressed_bio_read(struct bio *bio)
unsigned long index;
int ret;
if (bio->bi_error)
if (bio->bi_status)
cb->errors = 1;
/* if there are more bios still pending for this compressed
@ -268,7 +268,7 @@ static void end_compressed_bio_write(struct bio *bio)
struct page *page;
unsigned long index;
if (bio->bi_error)
if (bio->bi_status)
cb->errors = 1;
/* if there are more bios still pending for this compressed
@ -287,7 +287,7 @@ static void end_compressed_bio_write(struct bio *bio)
cb->start,
cb->start + cb->len - 1,
NULL,
bio->bi_error ? 0 : 1);
bio->bi_status ? 0 : 1);
cb->compressed_pages[0]->mapping = NULL;
end_compressed_writeback(inode, cb);
@ -320,7 +320,7 @@ static void end_compressed_bio_write(struct bio *bio)
* This also checksums the file bytes and gets things ready for
* the end io hooks.
*/
int btrfs_submit_compressed_write(struct inode *inode, u64 start,
blk_status_t btrfs_submit_compressed_write(struct inode *inode, u64 start,
unsigned long len, u64 disk_start,
unsigned long compressed_len,
struct page **compressed_pages,
@ -335,13 +335,13 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
struct page *page;
u64 first_byte = disk_start;
struct block_device *bdev;
int ret;
blk_status_t ret;
int skip_sum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM;
WARN_ON(start & ((u64)PAGE_SIZE - 1));
cb = kmalloc(compressed_bio_size(fs_info, compressed_len), GFP_NOFS);
if (!cb)
return -ENOMEM;
return BLK_STS_RESOURCE;
refcount_set(&cb->pending_bios, 0);
cb->errors = 0;
cb->inode = inode;
@ -358,7 +358,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
bio = compressed_bio_alloc(bdev, first_byte, GFP_NOFS);
if (!bio) {
kfree(cb);
return -ENOMEM;
return BLK_STS_RESOURCE;
}
bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
bio->bi_private = cb;
@ -368,17 +368,17 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
/* create and submit bios for the compressed pages */
bytes_left = compressed_len;
for (pg_index = 0; pg_index < cb->nr_pages; pg_index++) {
int submit = 0;
page = compressed_pages[pg_index];
page->mapping = inode->i_mapping;
if (bio->bi_iter.bi_size)
ret = io_tree->ops->merge_bio_hook(page, 0,
submit = io_tree->ops->merge_bio_hook(page, 0,
PAGE_SIZE,
bio, 0);
else
ret = 0;
page->mapping = NULL;
if (ret || bio_add_page(bio, page, PAGE_SIZE, 0) <
if (submit || bio_add_page(bio, page, PAGE_SIZE, 0) <
PAGE_SIZE) {
bio_get(bio);
@ -400,7 +400,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
ret = btrfs_map_bio(fs_info, bio, 0, 1);
if (ret) {
bio->bi_error = ret;
bio->bi_status = ret;
bio_endio(bio);
}
@ -434,7 +434,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
ret = btrfs_map_bio(fs_info, bio, 0, 1);
if (ret) {
bio->bi_error = ret;
bio->bi_status = ret;
bio_endio(bio);
}
@ -569,7 +569,7 @@ static noinline int add_ra_bio_pages(struct inode *inode,
* After the compressed pages are read, we copy the bytes into the
* bio we were passed and then call the bio end_io calls
*/
int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
blk_status_t btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
int mirror_num, unsigned long bio_flags)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
@ -586,7 +586,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
u64 em_len;
u64 em_start;
struct extent_map *em;
int ret = -ENOMEM;
blk_status_t ret = BLK_STS_RESOURCE;
int faili = 0;
u32 *sums;
@ -600,7 +600,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
PAGE_SIZE);
read_unlock(&em_tree->lock);
if (!em)
return -EIO;
return BLK_STS_IOERR;
compressed_len = em->block_len;
cb = kmalloc(compressed_bio_size(fs_info, compressed_len), GFP_NOFS);
@ -659,19 +659,19 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
refcount_set(&cb->pending_bios, 1);
for (pg_index = 0; pg_index < nr_pages; pg_index++) {
int submit = 0;
page = cb->compressed_pages[pg_index];
page->mapping = inode->i_mapping;
page->index = em_start >> PAGE_SHIFT;
if (comp_bio->bi_iter.bi_size)
ret = tree->ops->merge_bio_hook(page, 0,
submit = tree->ops->merge_bio_hook(page, 0,
PAGE_SIZE,
comp_bio, 0);
else
ret = 0;
page->mapping = NULL;
if (ret || bio_add_page(comp_bio, page, PAGE_SIZE, 0) <
if (submit || bio_add_page(comp_bio, page, PAGE_SIZE, 0) <
PAGE_SIZE) {
bio_get(comp_bio);
@ -697,7 +697,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
ret = btrfs_map_bio(fs_info, comp_bio, mirror_num, 0);
if (ret) {
comp_bio->bi_error = ret;
comp_bio->bi_status = ret;
bio_endio(comp_bio);
}
@ -726,7 +726,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
ret = btrfs_map_bio(fs_info, comp_bio, mirror_num, 0);
if (ret) {
comp_bio->bi_error = ret;
comp_bio->bi_status = ret;
bio_endio(comp_bio);
}

4
fs/btrfs/compression.h
View File

@ -48,12 +48,12 @@ int btrfs_decompress_buf2page(const char *buf, unsigned long buf_start,
unsigned long total_out, u64 disk_start,
struct bio *bio);
int btrfs_submit_compressed_write(struct inode *inode, u64 start,
blk_status_t btrfs_submit_compressed_write(struct inode *inode, u64 start,
unsigned long len, u64 disk_start,
unsigned long compressed_len,
struct page **compressed_pages,
unsigned long nr_pages);
int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
blk_status_t btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
int mirror_num, unsigned long bio_flags);
enum btrfs_compression_type {

6
fs/btrfs/ctree.h
View File

@ -3078,8 +3078,8 @@ int btrfs_find_name_in_ext_backref(struct btrfs_path *path,
struct btrfs_dio_private;
int btrfs_del_csums(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, u64 bytenr, u64 len);
int btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u32 *dst);
int btrfs_lookup_bio_sums_dio(struct inode *inode, struct bio *bio,
blk_status_t btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u32 *dst);
blk_status_t btrfs_lookup_bio_sums_dio(struct inode *inode, struct bio *bio,
u64 logical_offset);
int btrfs_insert_file_extent(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
@ -3094,7 +3094,7 @@ int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans,
int btrfs_csum_file_blocks(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_ordered_sum *sums);
int btrfs_csum_one_bio(struct inode *inode, struct bio *bio,
blk_status_t btrfs_csum_one_bio(struct inode *inode, struct bio *bio,
u64 file_start, int contig);
int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end,
struct list_head *list, int search_commit);

75
fs/btrfs/disk-io.c
View File

@ -87,7 +87,7 @@ struct btrfs_end_io_wq {
bio_end_io_t *end_io;
void *private;
struct btrfs_fs_info *info;
int error;
blk_status_t status;
enum btrfs_wq_endio_type metadata;
struct list_head list;
struct btrfs_work work;
@ -131,7 +131,7 @@ struct async_submit_bio {
*/
u64 bio_offset;
struct btrfs_work work;
int error;
blk_status_t status;
};
/*
@ -799,7 +799,7 @@ static void end_workqueue_bio(struct bio *bio)
btrfs_work_func_t func;
fs_info = end_io_wq->info;
end_io_wq->error = bio->bi_error;
end_io_wq->status = bio->bi_status;
if (bio_op(bio) == REQ_OP_WRITE) {
if (end_io_wq->metadata == BTRFS_WQ_ENDIO_METADATA) {
@ -836,19 +836,19 @@ static void end_workqueue_bio(struct bio *bio)
btrfs_queue_work(wq, &end_io_wq->work);
}
int btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio,
blk_status_t btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio,
enum btrfs_wq_endio_type metadata)
{
struct btrfs_end_io_wq *end_io_wq;
end_io_wq = kmem_cache_alloc(btrfs_end_io_wq_cache, GFP_NOFS);
if (!end_io_wq)
return -ENOMEM;
return BLK_STS_RESOURCE;
end_io_wq->private = bio->bi_private;
end_io_wq->end_io = bio->bi_end_io;
end_io_wq->info = info;
end_io_wq->error = 0;
end_io_wq->status = 0;
end_io_wq->bio = bio;
end_io_wq->metadata = metadata;
@ -868,14 +868,14 @@ unsigned long btrfs_async_submit_limit(struct btrfs_fs_info *info)
static void run_one_async_start(struct btrfs_work *work)
{
struct async_submit_bio *async;
int ret;
blk_status_t ret;
async = container_of(work, struct async_submit_bio, work);
ret = async->submit_bio_start(async->inode, async->bio,
async->mirror_num, async->bio_flags,
async->bio_offset);
if (ret)
async->error = ret;
async->status = ret;
}
static void run_one_async_done(struct btrfs_work *work)
@ -898,8 +898,8 @@ static void run_one_async_done(struct btrfs_work *work)
wake_up(&fs_info->async_submit_wait);
/* If an error occurred we just want to clean up the bio and move on */
if (async->error) {
async->bio->bi_error = async->error;
if (async->status) {
async->bio->bi_status = async->status;
bio_endio(async->bio);
return;
}
@ -916,18 +916,17 @@ static void run_one_async_free(struct btrfs_work *work)
kfree(async);
}
int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode,
struct bio *bio, int mirror_num,
unsigned long bio_flags,
u64 bio_offset,
extent_submit_bio_hook_t *submit_bio_start,
extent_submit_bio_hook_t *submit_bio_done)
blk_status_t btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info,
struct inode *inode, struct bio *bio, int mirror_num,
unsigned long bio_flags, u64 bio_offset,
extent_submit_bio_hook_t *submit_bio_start,
extent_submit_bio_hook_t *submit_bio_done)
{
struct async_submit_bio *async;
async = kmalloc(sizeof(*async), GFP_NOFS);
if (!async)
return -ENOMEM;
return BLK_STS_RESOURCE;
async->inode = inode;
async->bio = bio;
@ -941,7 +940,7 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode,
async->bio_flags = bio_flags;
async->bio_offset = bio_offset;
async->error = 0;
async->status = 0;
atomic_inc(&fs_info->nr_async_submits);
@ -959,7 +958,7 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode,
return 0;
}
static int btree_csum_one_bio(struct bio *bio)
static blk_status_t btree_csum_one_bio(struct bio *bio)
{
struct bio_vec *bvec;
struct btrfs_root *root;
@ -972,12 +971,12 @@ static int btree_csum_one_bio(struct bio *bio)
break;
}
return ret;
return errno_to_blk_status(ret);
}
static int __btree_submit_bio_start(struct inode *inode, struct bio *bio,
int mirror_num, unsigned long bio_flags,
u64 bio_offset)
static blk_status_t __btree_submit_bio_start(struct inode *inode,
struct bio *bio, int mirror_num, unsigned long bio_flags,
u64 bio_offset)
{
/*
* when we're called for a write, we're already in the async
@ -986,11 +985,11 @@ static int __btree_submit_bio_start(struct inode *inode, struct bio *bio,
return btree_csum_one_bio(bio);
}
static int __btree_submit_bio_done(struct inode *inode, struct bio *bio,
int mirror_num, unsigned long bio_flags,
u64 bio_offset)
static blk_status_t __btree_submit_bio_done(struct inode *inode,
struct bio *bio, int mirror_num, unsigned long bio_flags,
u64 bio_offset)
{
int ret;
blk_status_t ret;
/*
* when we're called for a write, we're already in the async
@ -998,7 +997,7 @@ static int __btree_submit_bio_done(struct inode *inode, struct bio *bio,
*/
ret = btrfs_map_bio(btrfs_sb(inode->i_sb), bio, mirror_num, 1);
if (ret) {
bio->bi_error = ret;
bio->bi_status = ret;
bio_endio(bio);
}
return ret;
@ -1015,13 +1014,13 @@ static int check_async_write(unsigned long bio_flags)
return 1;
}
static int btree_submit_bio_hook(struct inode *inode, struct bio *bio,
static blk_status_t btree_submit_bio_hook(struct inode *inode, struct bio *bio,
int mirror_num, unsigned long bio_flags,
u64 bio_offset)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
int async = check_async_write(bio_flags);
int ret;
blk_status_t ret;
if (bio_op(bio) != REQ_OP_WRITE) {
/*
@ -1054,7 +1053,7 @@ static int btree_submit_bio_hook(struct inode *inode, struct bio *bio,
return 0;
out_w_error:
bio->bi_error = ret;
bio->bi_status = ret;
bio_endio(bio);
return ret;
}
@ -1820,7 +1819,7 @@ static void end_workqueue_fn(struct btrfs_work *work)
end_io_wq = container_of(work, struct btrfs_end_io_wq, work);
bio = end_io_wq->bio;
bio->bi_error = end_io_wq->error;
bio->bi_status = end_io_wq->status;
bio->bi_private = end_io_wq->private;
bio->bi_end_io = end_io_wq->end_io;
kmem_cache_free(btrfs_end_io_wq_cache, end_io_wq);
@ -3495,11 +3494,11 @@ static void btrfs_end_empty_barrier(struct bio *bio)
* any device where the flush fails with eopnotsupp are flagged as not-barrier
* capable
*/
static int write_dev_flush(struct btrfs_device *device, int wait)
static blk_status_t write_dev_flush(struct btrfs_device *device, int wait)
{
struct request_queue *q = bdev_get_queue(device->bdev);
struct bio *bio;
int ret = 0;
blk_status_t ret = 0;
if (!test_bit(QUEUE_FLAG_WC, &q->queue_flags))
return 0;
@ -3511,8 +3510,8 @@ static int write_dev_flush(struct btrfs_device *device, int wait)
wait_for_completion(&device->flush_wait);
if (bio->bi_error) {
ret = bio->bi_error;
if (bio->bi_status) {
ret = bio->bi_status;
btrfs_dev_stat_inc_and_print(device,
BTRFS_DEV_STAT_FLUSH_ERRS);
}
@ -3531,7 +3530,7 @@ static int write_dev_flush(struct btrfs_device *device, int wait)
device->flush_bio = NULL;
bio = btrfs_io_bio_alloc(GFP_NOFS, 0);
if (!bio)
return -ENOMEM;
return BLK_STS_RESOURCE;
bio->bi_end_io = btrfs_end_empty_barrier;
bio->bi_bdev = device->bdev;
@ -3556,7 +3555,7 @@ static int barrier_all_devices(struct btrfs_fs_info *info)
struct btrfs_device *dev;
int errors_send = 0;
int errors_wait = 0;
int ret;
blk_status_t ret;
/* send down all the barriers */
head = &info->fs_devices->devices;

12
fs/btrfs/disk-io.h
View File

@ -118,13 +118,13 @@ int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid,
int btrfs_read_buffer(struct extent_buffer *buf, u64 parent_transid);
u32 btrfs_csum_data(const char *data, u32 seed, size_t len);
void btrfs_csum_final(u32 crc, u8 *result);
int btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio,
blk_status_t btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio,
enum btrfs_wq_endio_type metadata);
int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode,
struct bio *bio, int mirror_num,
unsigned long bio_flags, u64 bio_offset,
extent_submit_bio_hook_t *submit_bio_start,
extent_submit_bio_hook_t *submit_bio_done);
blk_status_t btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info,
struct inode *inode, struct bio *bio, int mirror_num,
unsigned long bio_flags, u64 bio_offset,
extent_submit_bio_hook_t *submit_bio_start,
extent_submit_bio_hook_t *submit_bio_done);
unsigned long btrfs_async_submit_limit(struct btrfs_fs_info *info);
int btrfs_write_tree_block(struct extent_buffer *buf);
int btrfs_wait_tree_block_writeback(struct extent_buffer *buf);

23
fs/btrfs/extent_io.c
View File

@ -2399,6 +2399,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
struct extent_io_tree *tree = &BTRFS_I(inode)->io_tree;
struct bio *bio;
int read_mode = 0;
blk_status_t status;
int ret;
BUG_ON(bio_op(failed_bio) == REQ_OP_WRITE);
@ -2431,11 +2432,12 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
"Repair Read Error: submitting new read[%#x] to this_mirror=%d, in_validation=%d",
read_mode, failrec->this_mirror, failrec->in_validation);
ret = tree->ops->submit_bio_hook(inode, bio, failrec->this_mirror,
status = tree->ops->submit_bio_hook(inode, bio, failrec->this_mirror,
failrec->bio_flags, 0);
if (ret) {
if (status) {
free_io_failure(BTRFS_I(inode), failrec);
bio_put(bio);
ret = blk_status_to_errno(status);
}
return ret;
@ -2474,6 +2476,7 @@ void end_extent_writepage(struct page *page, int err, u64 start, u64 end)
*/
static void end_bio_extent_writepage(struct bio *bio)
{
int error = blk_status_to_errno(bio->bi_status);
struct bio_vec *bvec;
u64 start;
u64 end;
@ -2503,7 +2506,7 @@ static void end_bio_extent_writepage(struct bio *bio)
start = page_offset(page);
end = start + bvec->bv_offset + bvec->bv_len - 1;
end_extent_writepage(page, bio->bi_error, start, end);
end_extent_writepage(page, error, start, end);
end_page_writeback(page);
}
@ -2536,7 +2539,7 @@ endio_readpage_release_extent(struct extent_io_tree *tree, u64 start, u64 len,
static void end_bio_extent_readpage(struct bio *bio)
{
struct bio_vec *bvec;
int uptodate = !bio->bi_error;
int uptodate = !bio->bi_status;
struct btrfs_io_bio *io_bio = btrfs_io_bio(bio);
struct extent_io_tree *tree;
u64 offset = 0;
@ -2556,7 +2559,7 @@ static void end_bio_extent_readpage(struct bio *bio)
btrfs_debug(fs_info,
"end_bio_extent_readpage: bi_sector=%llu, err=%d, mirror=%u",
(u64)bio->bi_iter.bi_sector, bio->bi_error,
(u64)bio->bi_iter.bi_sector, bio->bi_status,
io_bio->mirror_num);
tree = &BTRFS_I(inode)->io_tree;
@ -2615,7 +2618,7 @@ static void end_bio_extent_readpage(struct bio *bio)
ret = bio_readpage_error(bio, offset, page,
start, end, mirror);
if (ret == 0) {
uptodate = !bio->bi_error;
uptodate = !bio->bi_status;
offset += len;
continue;
}
@ -2673,7 +2676,7 @@ static void end_bio_extent_readpage(struct bio *bio)
endio_readpage_release_extent(tree, extent_start, extent_len,
uptodate);
if (io_bio->end_io)
io_bio->end_io(io_bio, bio->bi_error);
io_bio->end_io(io_bio, blk_status_to_errno(bio->bi_status));
bio_put(bio);
}
@ -2743,7 +2746,7 @@ struct bio *btrfs_io_bio_alloc(gfp_t gfp_mask, unsigned int nr_iovecs)
static int __must_check submit_one_bio(struct bio *bio, int mirror_num,
unsigned long bio_flags)
{
int ret = 0;
blk_status_t ret = 0;
struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1;
struct page *page = bvec->bv_page;
struct extent_io_tree *tree = bio->bi_private;
@ -2761,7 +2764,7 @@ static int __must_check submit_one_bio(struct bio *bio, int mirror_num,
btrfsic_submit_bio(bio);
bio_put(bio);
return ret;
return blk_status_to_errno(ret);
}
static int merge_bio(struct extent_io_tree *tree, struct page *page,
@ -3707,7 +3710,7 @@ static void end_bio_extent_buffer_writepage(struct bio *bio)
BUG_ON(!eb);
done = atomic_dec_and_test(&eb->io_pages);
if (bio->bi_error ||
if (bio->bi_status ||
test_bit(EXTENT_BUFFER_WRITE_ERR, &eb->bflags)) {
ClearPageUptodate(page);
set_btree_ioerr(page);

6
fs/btrfs/extent_io.h
View File

@ -92,9 +92,9 @@ struct btrfs_inode;
struct btrfs_io_bio;
struct io_failure_record;
typedef int (extent_submit_bio_hook_t)(struct inode *inode, struct bio *bio,
int mirror_num, unsigned long bio_flags,
u64 bio_offset);
typedef blk_status_t (extent_submit_bio_hook_t)(struct inode *inode,
struct bio *bio, int mirror_num, unsigned long bio_flags,
u64 bio_offset);
struct extent_io_ops {
/*
* The following callbacks must be allways defined, the function

14
fs/btrfs/file-item.c
View File

@ -160,7 +160,7 @@ static void btrfs_io_bio_endio_readpage(struct btrfs_io_bio *bio, int err)
kfree(bio->csum_allocated);
}
static int __btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio,
static blk_status_t __btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio,
u64 logical_offset, u32 *dst, int dio)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
@ -182,7 +182,7 @@ static int __btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio,
path = btrfs_alloc_path();
if (!path)
return -ENOMEM;
return BLK_STS_RESOURCE;
nblocks = bio->bi_iter.bi_size >> inode->i_sb->s_blocksize_bits;
if (!dst) {
@ -191,7 +191,7 @@ static int __btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio,
csum_size, GFP_NOFS);
if (!btrfs_bio->csum_allocated) {
btrfs_free_path(path);
return -ENOMEM;
return BLK_STS_RESOURCE;
}
btrfs_bio->csum = btrfs_bio->csum_allocated;
btrfs_bio->end_io = btrfs_io_bio_endio_readpage;
@ -303,12 +303,12 @@ static int __btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio,
return 0;
}
int btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u32 *dst)
blk_status_t btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u32 *dst)
{
return __btrfs_lookup_bio_sums(inode, bio, 0, dst, 0);
}
int btrfs_lookup_bio_sums_dio(struct inode *inode, struct bio *bio, u64 offset)
blk_status_t btrfs_lookup_bio_sums_dio(struct inode *inode, struct bio *bio, u64 offset)
{
return __btrfs_lookup_bio_sums(inode, bio, offset, NULL, 1);
}
@ -433,7 +433,7 @@ int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end,
return ret;
}
int btrfs_csum_one_bio(struct inode *inode, struct bio *bio,
blk_status_t btrfs_csum_one_bio(struct inode *inode, struct bio *bio,
u64 file_start, int contig)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
@ -452,7 +452,7 @@ int btrfs_csum_one_bio(struct inode *inode, struct bio *bio,
sums = kzalloc(btrfs_ordered_sum_size(fs_info, bio->bi_iter.bi_size),
GFP_NOFS);
if (!sums)
return -ENOMEM;
return BLK_STS_RESOURCE;
sums->len = bio->bi_iter.bi_size;
INIT_LIST_HEAD(&sums->list);

73
fs/btrfs/inode.c
View File

@ -842,13 +842,12 @@ static noinline void submit_compressed_extents(struct inode *inode,
NULL, EXTENT_LOCKED | EXTENT_DELALLOC,
PAGE_UNLOCK | PAGE_CLEAR_DIRTY |
PAGE_SET_WRITEBACK);
ret = btrfs_submit_compressed_write(inode,
if (btrfs_submit_compressed_write(inode,
async_extent->start,
async_extent->ram_size,
ins.objectid,
ins.offset, async_extent->pages,
async_extent->nr_pages);
if (ret) {
async_extent->nr_pages)) {
struct extent_io_tree *tree = &BTRFS_I(inode)->io_tree;
struct page *p = async_extent->pages[0];
const u64 start = async_extent->start;
@ -1901,11 +1900,11 @@ int btrfs_merge_bio_hook(struct page *page, unsigned long offset,
* At IO completion time the cums attached on the ordered extent record
* are inserted into the btree
*/
static int __btrfs_submit_bio_start(struct inode *inode, struct bio *bio,
int mirror_num, unsigned long bio_flags,
u64 bio_offset)
static blk_status_t __btrfs_submit_bio_start(struct inode *inode,
struct bio *bio, int mirror_num, unsigned long bio_flags,
u64 bio_offset)
{
int ret = 0;
blk_status_t ret = 0;
ret = btrfs_csum_one_bio(inode, bio, 0, 0);
BUG_ON(ret); /* -ENOMEM */
@ -1920,16 +1919,16 @@ static int __btrfs_submit_bio_start(struct inode *inode, struct bio *bio,
* At IO completion time the cums attached on the ordered extent record
* are inserted into the btree
*/
static int __btrfs_submit_bio_done(struct inode *inode, struct bio *bio,
int mirror_num, unsigned long bio_flags,
u64 bio_offset)
static blk_status_t __btrfs_submit_bio_done(struct inode *inode,
struct bio *bio, int mirror_num, unsigned long bio_flags,
u64 bio_offset)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
int ret;
blk_status_t ret;
ret = btrfs_map_bio(fs_info, bio, mirror_num, 1);
if (ret) {
bio->bi_error = ret;
bio->bi_status = ret;
bio_endio(bio);
}
return ret;
@ -1939,14 +1938,14 @@ static int __btrfs_submit_bio_done(struct inode *inode, struct bio *bio,
* extent_io.c submission hook. This does the right thing for csum calculation
* on write, or reading the csums from the tree before a read
*/
static int btrfs_submit_bio_hook(struct inode *inode, struct bio *bio,
static blk_status_t btrfs_submit_bio_hook(struct inode *inode, struct bio *bio,
int mirror_num, unsigned long bio_flags,
u64 bio_offset)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_root *root = BTRFS_I(inode)->root;
enum btrfs_wq_endio_type metadata = BTRFS_WQ_ENDIO_DATA;
int ret = 0;
blk_status_t ret = 0;
int skip_sum;
int async = !atomic_read(&BTRFS_I(inode)->sync_writers);
@ -1991,8 +1990,8 @@ static int btrfs_submit_bio_hook(struct inode *inode, struct bio *bio,
ret = btrfs_map_bio(fs_info, bio, mirror_num, 0);
out:
if (ret < 0) {
bio->bi_error = ret;
if (ret) {
bio->bi_status = ret;
bio_endio(bio);
}
return ret;
@ -8037,7 +8036,7 @@ static void btrfs_retry_endio_nocsum(struct bio *bio)
struct bio_vec *bvec;
int i;
if (bio->bi_error)
if (bio->bi_status)
goto end;
ASSERT(bio->bi_vcnt == 1);
@ -8116,7 +8115,7 @@ static void btrfs_retry_endio(struct bio *bio)
int ret;
int i;
if (bio->bi_error)
if (bio->bi_status)
goto end;
uptodate = 1;
@ -8141,8 +8140,8 @@ static void btrfs_retry_endio(struct bio *bio)
bio_put(bio);
}
static int __btrfs_subio_endio_read(struct inode *inode,
struct btrfs_io_bio *io_bio, int err)
static blk_status_t __btrfs_subio_endio_read(struct inode *inode,
struct btrfs_io_bio *io_bio, blk_status_t err)
{
struct btrfs_fs_info *fs_info;
struct bio_vec *bvec;
@ -8184,7 +8183,7 @@ static int __btrfs_subio_endio_read(struct inode *inode,
io_bio->mirror_num,
btrfs_retry_endio, &done);
if (ret) {
err = ret;
err = errno_to_blk_status(ret);
goto next;
}
@ -8211,8 +8210,8 @@ static int __btrfs_subio_endio_read(struct inode *inode,
return err;
}
static int btrfs_subio_endio_read(struct inode *inode,
struct btrfs_io_bio *io_bio, int err)
static blk_status_t btrfs_subio_endio_read(struct inode *inode,
struct btrfs_io_bio *io_bio, blk_status_t err)
{
bool skip_csum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM;
@ -8232,7 +8231,7 @@ static void btrfs_endio_direct_read(struct bio *bio)
struct inode *inode = dip->inode;
struct bio *dio_bio;
struct btrfs_io_bio *io_bio = btrfs_io_bio(bio);
int err = bio->bi_error;
blk_status_t err = bio->bi_status;
if (dip->flags & BTRFS_DIO_ORIG_BIO_SUBMITTED)
err = btrfs_subio_endio_read(inode, io_bio, err);
@ -8243,11 +8242,11 @@ static void btrfs_endio_direct_read(struct bio *bio)
kfree(dip);
dio_bio->bi_error = bio->bi_error;
dio_bio->bi_status = bio->bi_status;
dio_end_io(dio_bio);
if (io_bio->end_io)
io_bio->end_io(io_bio, err);
io_bio->end_io(io_bio, blk_status_to_errno(err));
bio_put(bio);
}
@ -8299,20 +8298,20 @@ static void btrfs_endio_direct_write(struct bio *bio)
struct bio *dio_bio = dip->dio_bio;
__endio_write_update_ordered(dip->inode, dip->logical_offset,
dip->bytes, !bio->bi_error);
dip->bytes, !bio->bi_status);
kfree(dip);
dio_bio->bi_error = bio->bi_error;
dio_bio->bi_status = bio->bi_status;
dio_end_io(dio_bio);
bio_put(bio);
}
static int __btrfs_submit_bio_start_direct_io(struct inode *inode,
static blk_status_t __btrfs_submit_bio_start_direct_io(struct inode *inode,
struct bio *bio, int mirror_num,
unsigned long bio_flags, u64 offset)
{
int ret;
blk_status_t ret;
ret = btrfs_csum_one_bio(inode, bio, offset, 1);
BUG_ON(ret); /* -ENOMEM */
return 0;
@ -8321,7 +8320,7 @@ static int __btrfs_submit_bio_start_direct_io(struct inode *inode,
static void btrfs_end_dio_bio(struct bio *bio)
{
struct btrfs_dio_private *dip = bio->bi_private;
int err = bio->bi_error;
blk_status_t err = bio->bi_status;
if (err)
btrfs_warn(BTRFS_I(dip->inode)->root->fs_info,
@ -8351,7 +8350,7 @@ static void btrfs_end_dio_bio(struct bio *bio)
if (dip->errors) {
bio_io_error(dip->orig_bio);
} else {
dip->dio_bio->bi_error = 0;
dip->dio_bio->bi_status = 0;
bio_endio(dip->orig_bio);
}
out:
@ -8368,14 +8367,14 @@ static struct bio *btrfs_dio_bio_alloc(struct block_device *bdev,
return bio;
}
static inline int btrfs_lookup_and_bind_dio_csum(struct inode *inode,
static inline blk_status_t btrfs_lookup_and_bind_dio_csum(struct inode *inode,
struct btrfs_dio_private *dip,
struct bio *bio,
u64 file_offset)
{
struct btrfs_io_bio *io_bio = btrfs_io_bio(bio);
struct btrfs_io_bio *orig_io_bio = btrfs_io_bio(dip->orig_bio);
int ret;
blk_status_t ret;
/*
* We load all the csum data we need when we submit
@ -8406,7 +8405,7 @@ static inline int __btrfs_submit_dio_bio(struct bio *bio, struct inode *inode,
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_dio_private *dip = bio->bi_private;
bool write = bio_op(bio) == REQ_OP_WRITE;
int ret;
blk_status_t ret;
if (async_submit)
async_submit = !atomic_read(&BTRFS_I(inode)->sync_writers);
@ -8649,7 +8648,7 @@ static void btrfs_submit_direct(struct bio *dio_bio, struct inode *inode,
* callbacks - they require an allocated dip and a clone of dio_bio.
*/
if (io_bio && dip) {
io_bio->bi_error = -EIO;
io_bio->bi_status = BLK_STS_IOERR;
bio_endio(io_bio);
/*
* The end io callbacks free our dip, do the final put on io_bio
@ -8668,7 +8667,7 @@ static void btrfs_submit_direct(struct bio *dio_bio, struct inode *inode,
unlock_extent(&BTRFS_I(inode)->io_tree, file_offset,
file_offset + dio_bio->bi_iter.bi_size - 1);
dio_bio->bi_error = -EIO;
dio_bio->bi_status = BLK_STS_IOERR;
/*
* Releases and cleans up our dio_bio, no need to bio_put()
* nor bio_endio()/bio_io_error() against dio_bio.

16
fs/btrfs/raid56.c
View File

@ -871,7 +871,7 @@ static void free_raid_bio(struct btrfs_raid_bio *rbio)
* this frees the rbio and runs through all the bios in the
* bio_list and calls end_io on them
*/
static void rbio_orig_end_io(struct btrfs_raid_bio *rbio, int err)
static void rbio_orig_end_io(struct btrfs_raid_bio *rbio, blk_status_t err)
{
struct bio *cur = bio_list_get(&rbio->bio_list);
struct bio *next;
@ -884,7 +884,7 @@ static void rbio_orig_end_io(struct btrfs_raid_bio *rbio, int err)
while (cur) {
next = cur->bi_next;
cur->bi_next = NULL;
cur->bi_error = err;
cur->bi_status = err;
bio_endio(cur);
cur = next;
}
@ -897,7 +897,7 @@ static void rbio_orig_end_io(struct btrfs_raid_bio *rbio, int err)
static void raid_write_end_io(struct bio *bio)
{
struct btrfs_raid_bio *rbio = bio->bi_private;
int err = bio->bi_error;
blk_status_t err = bio->bi_status;
int max_errors;
if (err)
@ -914,7 +914,7 @@ static void raid_write_end_io(struct bio *bio)
max_errors = (rbio->operation == BTRFS_RBIO_PARITY_SCRUB) ?
0 : rbio->bbio->max_errors;
if (atomic_read(&rbio->error) > max_errors)
err = -EIO;
err = BLK_STS_IOERR;
rbio_orig_end_io(rbio, err);
}
@ -1092,7 +1092,7 @@ static int rbio_add_io_page(struct btrfs_raid_bio *rbio,
* devices or if they are not contiguous
*/
if (last_end == disk_start && stripe->dev->bdev &&
!last->bi_error &&
!last->bi_status &&
last->bi_bdev == stripe->dev->bdev) {
ret = bio_add_page(last, page, PAGE_SIZE, 0);
if (ret == PAGE_SIZE)
@ -1448,7 +1448,7 @@ static void raid_rmw_end_io(struct bio *bio)
{
struct btrfs_raid_bio *rbio = bio->bi_private;
if (bio->bi_error)
if (bio->bi_status)
fail_bio_stripe(rbio, bio);
else
set_bio_pages_uptodate(bio);
@ -1991,7 +1991,7 @@ static void raid_recover_end_io(struct bio *bio)
* we only read stripe pages off the disk, set them
* up to date if there were no errors
*/
if (bio->bi_error)
if (bio->bi_status)
fail_bio_stripe(rbio, bio);
else
set_bio_pages_uptodate(bio);
@ -2530,7 +2530,7 @@ static void raid56_parity_scrub_end_io(struct bio *bio)
{
struct btrfs_raid_bio *rbio = bio->bi_private;
if (bio->bi_error)
if (bio->bi_status)
fail_bio_stripe(rbio, bio);
else
set_bio_pages_uptodate(bio);

26
fs/btrfs/scrub.c
View File

@ -95,7 +95,7 @@ struct scrub_bio {
struct scrub_ctx *sctx;
struct btrfs_device *dev;
struct bio *bio;
int err;
blk_status_t status;
u64 logical;
u64 physical;
#if SCRUB_PAGES_PER_WR_BIO >= SCRUB_PAGES_PER_RD_BIO
@ -1668,14 +1668,14 @@ static int scrub_setup_recheck_block(struct scrub_block *original_sblock,
struct scrub_bio_ret {
struct completion event;
int error;
blk_status_t status;
};
static void scrub_bio_wait_endio(struct bio *bio)
{
struct scrub_bio_ret *ret = bio->bi_private;
ret->error = bio->bi_error;
ret->status = bio->bi_status;
complete(&ret->event);
}
@ -1693,7 +1693,7 @@ static int scrub_submit_raid56_bio_wait(struct btrfs_fs_info *fs_info,
int ret;
init_completion(&done.event);
done.error = 0;
done.status = 0;
bio->bi_iter.bi_sector = page->logical >> 9;
bio->bi_private = &done;
bio->bi_end_io = scrub_bio_wait_endio;
@ -1705,7 +1705,7 @@ static int scrub_submit_raid56_bio_wait(struct btrfs_fs_info *fs_info,
return ret;
wait_for_completion(&done.event);
if (done.error)
if (done.status)
return -EIO;
return 0;
@ -1937,7 +1937,7 @@ static int scrub_add_page_to_wr_bio(struct scrub_ctx *sctx,
bio->bi_bdev = sbio->dev->bdev;
bio->bi_iter.bi_sector = sbio->physical >> 9;
bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
sbio->err = 0;
sbio->status = 0;
} else if (sbio->physical + sbio->page_count * PAGE_SIZE !=
spage->physical_for_dev_replace ||
sbio->logical + sbio->page_count * PAGE_SIZE !=
@ -1992,7 +1992,7 @@ static void scrub_wr_bio_end_io(struct bio *bio)
struct scrub_bio *sbio = bio->bi_private;
struct btrfs_fs_info *fs_info = sbio->dev->fs_info;
sbio->err = bio->bi_error;
sbio->status = bio->bi_status;
sbio->bio = bio;
btrfs_init_work(&sbio->work, btrfs_scrubwrc_helper,
@ -2007,7 +2007,7 @@ static void scrub_wr_bio_end_io_worker(struct btrfs_work *work)
int i;
WARN_ON(sbio->page_count > SCRUB_PAGES_PER_WR_BIO);
if (sbio->err) {
if (sbio->status) {
struct btrfs_dev_replace *dev_replace =
&sbio->sctx->fs_info->dev_replace;
@ -2341,7 +2341,7 @@ static int scrub_add_page_to_rd_bio(struct scrub_ctx *sctx,
bio->bi_bdev = sbio->dev->bdev;
bio->bi_iter.bi_sector = sbio->physical >> 9;
bio_set_op_attrs(bio, REQ_OP_READ, 0);
sbio->err = 0;
sbio->status = 0;
} else if (sbio->physical + sbio->page_count * PAGE_SIZE !=
spage->physical ||
sbio->logical + sbio->page_count * PAGE_SIZE !=
@ -2377,7 +2377,7 @@ static void scrub_missing_raid56_end_io(struct bio *bio)
struct scrub_block *sblock = bio->bi_private;
struct btrfs_fs_info *fs_info = sblock->sctx->fs_info;
if (bio->bi_error)
if (bio->bi_status)
sblock->no_io_error_seen = 0;
bio_put(bio);
@ -2588,7 +2588,7 @@ static void scrub_bio_end_io(struct bio *bio)
struct scrub_bio *sbio = bio->bi_private;
struct btrfs_fs_info *fs_info = sbio->dev->fs_info;
sbio->err = bio->bi_error;
sbio->status = bio->bi_status;
sbio->bio = bio;
btrfs_queue_work(fs_info->scrub_workers, &sbio->work);
@ -2601,7 +2601,7 @@ static void scrub_bio_end_io_worker(struct btrfs_work *work)
int i;
BUG_ON(sbio->page_count > SCRUB_PAGES_PER_RD_BIO);
if (sbio->err) {
if (sbio->status) {
for (i = 0; i < sbio->page_count; i++) {
struct scrub_page *spage = sbio->pagev[i];
@ -3004,7 +3004,7 @@ static void scrub_parity_bio_endio(struct bio *bio)
struct scrub_parity *sparity = (struct scrub_parity *)bio->bi_private;
struct btrfs_fs_info *fs_info = sparity->sctx->fs_info;
if (bio->bi_error)
if (bio->bi_status)
bitmap_or(sparity->ebitmap, sparity->ebitmap, sparity->dbitmap,
sparity->nsectors);

11
fs/btrfs/volumes.c
View File

@ -6042,9 +6042,10 @@ static void btrfs_end_bio(struct bio *bio)
struct btrfs_bio *bbio = bio->bi_private;
int is_orig_bio = 0;
if (bio->bi_error) {
if (bio->bi_status) {
atomic_inc(&bbio->error);
if (bio->bi_error == -EIO || bio->bi_error == -EREMOTEIO) {
if (bio->bi_status == BLK_STS_IOERR ||
bio->bi_status == BLK_STS_TARGET) {
unsigned int stripe_index =
btrfs_io_bio(bio)->stripe_index;
struct btrfs_device *dev;
@ -6082,13 +6083,13 @@ static void btrfs_end_bio(struct bio *bio)
* beyond the tolerance of the btrfs bio
*/
if (atomic_read(&bbio->error) > bbio->max_errors) {
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
} else {
/*
* this bio is actually up to date, we didn't
* go over the max number of errors
*/
bio->bi_error = 0;
bio->bi_status = 0;
}
btrfs_end_bbio(bbio, bio);
@ -6199,7 +6200,7 @@ static void bbio_error(struct btrfs_bio *bbio, struct bio *bio, u64 logical)
btrfs_io_bio(bio)->mirror_num = bbio->mirror_num;
bio->bi_iter.bi_sector = logical >> 9;
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
btrfs_end_bbio(bbio, bio);
}
}

2
fs/buffer.c
View File

@ -3038,7 +3038,7 @@ static void end_bio_bh_io_sync(struct bio *bio)
if (unlikely(bio_flagged(bio, BIO_QUIET)))
set_bit(BH_Quiet, &bh->b_state);
bh->b_end_io(bh, !bio->bi_error);
bh->b_end_io(bh, !bio->bi_status);
bio_put(bio);
}

2
fs/crypto/bio.c
View File

@ -129,7 +129,7 @@ int fscrypt_zeroout_range(const struct inode *inode, pgoff_t lblk,
goto errout;
}
err = submit_bio_wait(bio);
if ((err == 0) && bio->bi_error)
if (err == 0 && bio->bi_status)
err = -EIO;
bio_put(bio);
if (err)

8
fs/direct-io.c
View File

@ -294,7 +294,7 @@ static void dio_aio_complete_work(struct work_struct *work)
dio_complete(dio, 0, true);
}
static int dio_bio_complete(struct dio *dio, struct bio *bio);
static blk_status_t dio_bio_complete(struct dio *dio, struct bio *bio);
/*
* Asynchronous IO callback.
@ -473,11 +473,11 @@ static struct bio *dio_await_one(struct dio *dio)
/*
* Process one completed BIO. No locks are held.
*/
static int dio_bio_complete(struct dio *dio, struct bio *bio)
static blk_status_t dio_bio_complete(struct dio *dio, struct bio *bio)
{
struct bio_vec *bvec;
unsigned i;
int err = bio->bi_error;
blk_status_t err = bio->bi_status;
if (err)
dio->io_error = -EIO;
@ -536,7 +536,7 @@ static inline int dio_bio_reap(struct dio *dio, struct dio_submit *sdio)
bio = dio->bio_list;
dio->bio_list = bio->bi_private;
spin_unlock_irqrestore(&dio->bio_lock, flags);
ret2 = dio_bio_complete(dio, bio);
ret2 = blk_status_to_errno(dio_bio_complete(dio, bio));
if (ret == 0)
ret = ret2;
}

13
fs/ext4/page-io.c
View File

@ -85,7 +85,7 @@ static void ext4_finish_bio(struct bio *bio)
}
#endif
if (bio->bi_error) {
if (bio->bi_status) {
SetPageError(page);
mapping_set_error(page->mapping, -EIO);
}
@ -104,7 +104,7 @@ static void ext4_finish_bio(struct bio *bio)
continue;
}
clear_buffer_async_write(bh);
if (bio->bi_error)
if (bio->bi_status)
buffer_io_error(bh);
} while ((bh = bh->b_this_page) != head);
bit_spin_unlock(BH_Uptodate_Lock, &head->b_state);
@ -303,24 +303,25 @@ static void ext4_end_bio(struct bio *bio)
bdevname(bio->bi_bdev, b),
(long long) bio->bi_iter.bi_sector,
(unsigned) bio_sectors(bio),
bio->bi_error)) {
bio->bi_status)) {
ext4_finish_bio(bio);
bio_put(bio);
return;
}
bio->bi_end_io = NULL;
if (bio->bi_error) {
if (bio->bi_status) {
struct inode *inode = io_end->inode;
ext4_warning(inode->i_sb, "I/O error %d writing to inode %lu "
"(offset %llu size %ld starting block %llu)",
bio->bi_error, inode->i_ino,
bio->bi_status, inode->i_ino,
(unsigned long long) io_end->offset,
(long) io_end->size,
(unsigned long long)
bi_sector >> (inode->i_blkbits - 9));
mapping_set_error(inode->i_mapping, bio->bi_error);
mapping_set_error(inode->i_mapping,
blk_status_to_errno(bio->bi_status));
}
if (io_end->flag & EXT4_IO_END_UNWRITTEN) {

4
fs/ext4/readpage.c
View File

@ -73,7 +73,7 @@ static void mpage_end_io(struct bio *bio)
int i;
if (ext4_bio_encrypted(bio)) {
if (bio->bi_error) {
if (bio->bi_status) {
fscrypt_release_ctx(bio->bi_private);
} else {
fscrypt_decrypt_bio_pages(bio->bi_private, bio);
@ -83,7 +83,7 @@ static void mpage_end_io(struct bio *bio)
bio_for_each_segment_all(bv, bio, i) {
struct page *page = bv->bv_page;
if (!bio->bi_error) {
if (!bio->bi_status) {
SetPageUptodate(page);
} else {
ClearPageUptodate(page);

10
fs/f2fs/data.c
View File

@ -58,12 +58,12 @@ static void f2fs_read_end_io(struct bio *bio)
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(F2FS_P_SB(bio->bi_io_vec->bv_page), FAULT_IO)) {
f2fs_show_injection_info(FAULT_IO);
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
}
#endif
if (f2fs_bio_encrypted(bio)) {
if (bio->bi_error) {
if (bio->bi_status) {
fscrypt_release_ctx(bio->bi_private);
} else {
fscrypt_decrypt_bio_pages(bio->bi_private, bio);
@ -74,7 +74,7 @@ static void f2fs_read_end_io(struct bio *bio)
bio_for_each_segment_all(bvec, bio, i) {
struct page *page = bvec->bv_page;
if (!bio->bi_error) {
if (!bio->bi_status) {
if (!PageUptodate(page))
SetPageUptodate(page);
} else {
@ -102,14 +102,14 @@ static void f2fs_write_end_io(struct bio *bio)
unlock_page(page);
mempool_free(page, sbi->write_io_dummy);
if (unlikely(bio->bi_error))
if (unlikely(bio->bi_status))
f2fs_stop_checkpoint(sbi, true);
continue;
}
fscrypt_pullback_bio_page(&page, true);
if (unlikely(bio->bi_error)) {
if (unlikely(bio->bi_status)) {
mapping_set_error(page->mapping, -EIO);
f2fs_stop_checkpoint(sbi, true);
}

2
fs/f2fs/segment.c
View File

@ -749,7 +749,7 @@ static void f2fs_submit_discard_endio(struct bio *bio)
{
struct discard_cmd *dc = (struct discard_cmd *)bio->bi_private;
dc->error = bio->bi_error;
dc->error = blk_status_to_errno(bio->bi_status);
dc->state = D_DONE;
complete(&dc->wait);
bio_put(bio);

8
fs/gfs2/lops.c
View File

@ -170,7 +170,7 @@ static u64 gfs2_log_bmap(struct gfs2_sbd *sdp)
*/
static void gfs2_end_log_write_bh(struct gfs2_sbd *sdp, struct bio_vec *bvec,
int error)
blk_status_t error)
{
struct buffer_head *bh, *next;
struct page *page = bvec->bv_page;
@ -209,13 +209,13 @@ static void gfs2_end_log_write(struct bio *bio)
struct page *page;
int i;
if (bio->bi_error)
fs_err(sdp, "Error %d writing to log\n", bio->bi_error);
if (bio->bi_status)
fs_err(sdp, "Error %d writing to log\n", bio->bi_status);
bio_for_each_segment_all(bvec, bio, i) {
page = bvec->bv_page;
if (page_has_buffers(page))
gfs2_end_log_write_bh(sdp, bvec, bio->bi_error);
gfs2_end_log_write_bh(sdp, bvec, bio->bi_status);
else
mempool_free(page, gfs2_page_pool);
}

2
fs/gfs2/meta_io.c
View File

@ -201,7 +201,7 @@ static void gfs2_meta_read_endio(struct bio *bio)
do {
struct buffer_head *next = bh->b_this_page;
len -= bh->b_size;
bh->b_end_io(bh, !bio->bi_error);
bh->b_end_io(bh, !bio->bi_status);
bh = next;
} while (bh && len);
}

4
fs/gfs2/ops_fstype.c
View File

@ -176,10 +176,10 @@ static void end_bio_io_page(struct bio *bio)
{
struct page *page = bio->bi_private;
if (!bio->bi_error)
if (!bio->bi_status)
SetPageUptodate(page);
else
pr_warn("error %d reading superblock\n", bio->bi_error);
pr_warn("error %d reading superblock\n", bio->bi_status);
unlock_page(page);
}

4
fs/iomap.c
View File

@ -672,8 +672,8 @@ static void iomap_dio_bio_end_io(struct bio *bio)
struct iomap_dio *dio = bio->bi_private;
bool should_dirty = (dio->flags & IOMAP_DIO_DIRTY);
if (bio->bi_error)
iomap_dio_set_error(dio, bio->bi_error);
if (bio->bi_status)
iomap_dio_set_error(dio, blk_status_to_errno(bio->bi_status));
if (atomic_dec_and_test(&dio->ref)) {
if (is_sync_kiocb(dio->iocb)) {

2
fs/jfs/jfs_logmgr.c
View File

@ -2205,7 +2205,7 @@ static void lbmIODone(struct bio *bio)
bp->l_flag |= lbmDONE;
if (bio->bi_error) {
if (bio->bi_status) {
bp->l_flag |= lbmERROR;
jfs_err("lbmIODone: I/O error in JFS log");

4
fs/jfs/jfs_metapage.c
View File

@ -280,7 +280,7 @@ static void metapage_read_end_io(struct bio *bio)
{
struct page *page = bio->bi_private;
if (bio->bi_error) {
if (bio->bi_status) {
printk(KERN_ERR "metapage_read_end_io: I/O error\n");
SetPageError(page);
}
@ -337,7 +337,7 @@ static void metapage_write_end_io(struct bio *bio)
BUG_ON(!PagePrivate(page));
if (bio->bi_error) {
if (bio->bi_status) {
printk(KERN_ERR "metapage_write_end_io: I/O error\n");
SetPageError(page);
}

3
fs/mpage.c
View File

@ -50,7 +50,8 @@ static void mpage_end_io(struct bio *bio)
bio_for_each_segment_all(bv, bio, i) {
struct page *page = bv->bv_page;
page_endio(page, op_is_write(bio_op(bio)), bio->bi_error);
page_endio(page, op_is_write(bio_op(bio)),
blk_status_to_errno(bio->bi_status));
}
bio_put(bio);

4
fs/nfs/blocklayout/blocklayout.c
View File

@ -188,7 +188,7 @@ static void bl_end_io_read(struct bio *bio)
{
struct parallel_io *par = bio->bi_private;
if (bio->bi_error) {
if (bio->bi_status) {
struct nfs_pgio_header *header = par->data;
if (!header->pnfs_error)
@ -319,7 +319,7 @@ static void bl_end_io_write(struct bio *bio)
struct parallel_io *par = bio->bi_private;
struct nfs_pgio_header *header = par->data;
if (bio->bi_error) {
if (bio->bi_status) {
if (!header->pnfs_error)
header->pnfs_error = -EIO;
pnfs_set_lo_fail(header->lseg);

2
fs/nilfs2/segbuf.c
View File

@ -338,7 +338,7 @@ static void nilfs_end_bio_write(struct bio *bio)
{
struct nilfs_segment_buffer *segbuf = bio->bi_private;
if (bio->bi_error)
if (bio->bi_status)
atomic_inc(&segbuf->sb_err);
bio_put(bio);

6
fs/ocfs2/cluster/heartbeat.c
View File

@ -516,9 +516,9 @@ static void o2hb_bio_end_io(struct bio *bio)
{
struct o2hb_bio_wait_ctxt *wc = bio->bi_private;
if (bio->bi_error) {
mlog(ML_ERROR, "IO Error %d\n", bio->bi_error);
wc->wc_error = bio->bi_error;
if (bio->bi_status) {
mlog(ML_ERROR, "IO Error %d\n", bio->bi_status);
wc->wc_error = blk_status_to_errno(bio->bi_status);
}
o2hb_bio_wait_dec(wc, 1);

7
fs/xfs/xfs_aops.c
View File

@ -276,7 +276,7 @@ xfs_end_io(
struct xfs_inode *ip = XFS_I(ioend->io_inode);
xfs_off_t offset = ioend->io_offset;
size_t size = ioend->io_size;
int error = ioend->io_bio->bi_error;
int error;
/*
* Just clean up the in-memory strutures if the fs has been shut down.
@ -289,6 +289,7 @@ xfs_end_io(
/*
* Clean up any COW blocks on an I/O error.
*/
error = blk_status_to_errno(ioend->io_bio->bi_status);
if (unlikely(error)) {
switch (ioend->io_type) {
case XFS_IO_COW:
@ -332,7 +333,7 @@ xfs_end_bio(
else if (ioend->io_append_trans)
queue_work(mp->m_data_workqueue, &ioend->io_work);
else
xfs_destroy_ioend(ioend, bio->bi_error);
xfs_destroy_ioend(ioend, blk_status_to_errno(bio->bi_status));
}
STATIC int
@ -500,7 +501,7 @@ xfs_submit_ioend(
* time.
*/
if (status) {
ioend->io_bio->bi_error = status;
ioend->io_bio->bi_status = errno_to_blk_status(status);
bio_endio(ioend->io_bio);
return status;
}

7
fs/xfs/xfs_buf.c
View File

@ -1213,8 +1213,11 @@ xfs_buf_bio_end_io(
* don't overwrite existing errors - otherwise we can lose errors on
* buffers that require multiple bios to complete.
*/
if (bio->bi_error)
cmpxchg(&bp->b_io_error, 0, bio->bi_error);
if (bio->bi_status) {
int error = blk_status_to_errno(bio->bi_status);
cmpxchg(&bp->b_io_error, 0, error);
}
if (!bp->b_error && xfs_buf_is_vmapped(bp) && (bp->b_flags & XBF_READ))
invalidate_kernel_vmap_range(bp->b_addr, xfs_buf_vmap_len(bp));

2
include/linux/bio.h
View File

@ -414,7 +414,7 @@ extern void bio_endio(struct bio *);
static inline void bio_io_error(struct bio *bio)
{
bio->bi_error = -EIO;
bio->bi_status = BLK_STS_IOERR;
bio_endio(bio);
}

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