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Btrfs: don't pass the inode through clean_io_failure 

Instead pass around the failure tree and the io tree.

Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2017-05-05 11:57:15 -04:00 committed by David Sterba
parent 6ec656bc0f
commit 7870d0822b
3 changed files with 61 additions and 37 deletions
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51
fs/btrfs/extent_io.c
View File

@ -1939,11 +1939,12 @@ static void check_page_uptodate(struct extent_io_tree *tree, struct page *page)
SetPageUptodate(page);
}
int free_io_failure(struct btrfs_inode *inode, struct io_failure_record *rec)
int free_io_failure(struct extent_io_tree *failure_tree,
struct extent_io_tree *io_tree,
struct io_failure_record *rec)
{
int ret;
int err = 0;
struct extent_io_tree *failure_tree = &inode->io_failure_tree;
set_state_failrec(failure_tree, rec->start, NULL);
ret = clear_extent_bits(failure_tree, rec->start,
@ -1952,7 +1953,7 @@ int free_io_failure(struct btrfs_inode *inode, struct io_failure_record *rec)
if (ret)
err = ret;
ret = clear_extent_bits(&inode->io_tree, rec->start,
ret = clear_extent_bits(io_tree, rec->start,
rec->start + rec->len - 1,
EXTENT_DAMAGED);
if (ret && !err)
@ -2081,24 +2082,24 @@ int repair_eb_io_failure(struct btrfs_fs_info *fs_info,
* each time an IO finishes, we do a fast check in the IO failure tree
* to see if we need to process or clean up an io_failure_record
*/
int clean_io_failure(struct btrfs_inode *inode, u64 start, struct page *page,
unsigned int pg_offset)
int clean_io_failure(struct btrfs_fs_info *fs_info,
struct extent_io_tree *failure_tree,
struct extent_io_tree *io_tree, u64 start,
struct page *page, u64 ino, unsigned int pg_offset)
{
u64 private;
struct io_failure_record *failrec;
struct btrfs_fs_info *fs_info = inode->root->fs_info;
struct extent_state *state;
int num_copies;
int ret;
private = 0;
ret = count_range_bits(&inode->io_failure_tree, &private,
(u64)-1, 1, EXTENT_DIRTY, 0);
ret = count_range_bits(failure_tree, &private, (u64)-1, 1,
EXTENT_DIRTY, 0);
if (!ret)
return 0;
ret = get_state_failrec(&inode->io_failure_tree, start,
&failrec);
ret = get_state_failrec(failure_tree, start, &failrec);
if (ret)
return 0;
@ -2114,25 +2115,25 @@ int clean_io_failure(struct btrfs_inode *inode, u64 start, struct page *page,
if (fs_info->sb->s_flags & MS_RDONLY)
goto out;
spin_lock(&inode->io_tree.lock);
state = find_first_extent_bit_state(&inode->io_tree,
spin_lock(&io_tree->lock);
state = find_first_extent_bit_state(io_tree,
failrec->start,
EXTENT_LOCKED);
spin_unlock(&inode->io_tree.lock);
spin_unlock(&io_tree->lock);
if (state && state->start <= failrec->start &&
state->end >= failrec->start + failrec->len - 1) {
num_copies = btrfs_num_copies(fs_info, failrec->logical,
failrec->len);
if (num_copies > 1) {
repair_io_failure(fs_info, btrfs_ino(inode), start,
failrec->len, failrec->logical, page,
pg_offset, failrec->failed_mirror);
repair_io_failure(fs_info, ino, start, failrec->len,
failrec->logical, page, pg_offset,
failrec->failed_mirror);
}
}
out:
free_io_failure(inode, failrec);
free_io_failure(failure_tree, io_tree, failrec);
return 0;
}
@ -2373,6 +2374,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
struct io_failure_record *failrec;
struct inode *inode = page->mapping->host;
struct extent_io_tree *tree = &BTRFS_I(inode)->io_tree;
struct extent_io_tree *failure_tree = &BTRFS_I(inode)->io_failure_tree;
struct bio *bio;
int read_mode = 0;
int ret;
@ -2385,7 +2387,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
ret = btrfs_check_repairable(inode, failed_bio, failrec, failed_mirror);
if (!ret) {
free_io_failure(BTRFS_I(inode), failrec);
free_io_failure(failure_tree, tree, failrec);
return -EIO;
}
@ -2398,7 +2400,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
(int)phy_offset, failed_bio->bi_end_io,
NULL);
if (!bio) {
free_io_failure(BTRFS_I(inode), failrec);
free_io_failure(failure_tree, tree, failrec);
return -EIO;
}
bio_set_op_attrs(bio, REQ_OP_READ, read_mode);
@ -2410,7 +2412,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
ret = tree->ops->submit_bio_hook(tree->private_data, bio, failrec->this_mirror,
failrec->bio_flags, 0);
if (ret) {
free_io_failure(BTRFS_I(inode), failrec);
free_io_failure(failure_tree, tree, failrec);
bio_put(bio);
}
@ -2514,7 +2516,7 @@ static void end_bio_extent_readpage(struct bio *bio)
struct bio_vec *bvec;
int uptodate = !bio->bi_error;
struct btrfs_io_bio *io_bio = btrfs_io_bio(bio);
struct extent_io_tree *tree;
struct extent_io_tree *tree, *failure_tree;
u64 offset = 0;
u64 start;
u64 end;
@ -2535,6 +2537,7 @@ static void end_bio_extent_readpage(struct bio *bio)
(u64)bio->bi_iter.bi_sector, bio->bi_error,
io_bio->mirror_num);
tree = &BTRFS_I(inode)->io_tree;
failure_tree = &BTRFS_I(inode)->io_failure_tree;
/* We always issue full-page reads, but if some block
* in a page fails to read, blk_update_request() will
@ -2564,8 +2567,10 @@ static void end_bio_extent_readpage(struct bio *bio)
if (ret)
uptodate = 0;
else
clean_io_failure(BTRFS_I(inode), start,
page, 0);
clean_io_failure(BTRFS_I(inode)->root->fs_info,
failure_tree, tree, start,
page,
btrfs_ino(BTRFS_I(inode)), 0);
}
if (likely(uptodate))

10
fs/btrfs/extent_io.h
View File

@ -474,8 +474,10 @@ struct btrfs_inode;
int repair_io_failure(struct btrfs_fs_info *fs_info, u64 ino, u64 start,
u64 length, u64 logical, struct page *page,
unsigned int pg_offset, int mirror_num);
int clean_io_failure(struct btrfs_inode *inode, u64 start,
struct page *page, unsigned int pg_offset);
int clean_io_failure(struct btrfs_fs_info *fs_info,
struct extent_io_tree *failure_tree,
struct extent_io_tree *io_tree, u64 start,
struct page *page, u64 ino, unsigned int pg_offset);
void end_extent_writepage(struct page *page, int err, u64 start, u64 end);
int repair_eb_io_failure(struct btrfs_fs_info *fs_info,
struct extent_buffer *eb, int mirror_num);
@ -510,7 +512,9 @@ struct bio *btrfs_create_repair_bio(struct inode *inode, struct bio *failed_bio,
struct io_failure_record *failrec,
struct page *page, int pg_offset, int icsum,
bio_end_io_t *endio_func, void *data);
int free_io_failure(struct btrfs_inode *inode, struct io_failure_record *rec);
int free_io_failure(struct extent_io_tree *failure_tree,
struct extent_io_tree *io_tree,
struct io_failure_record *rec);
#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
noinline u64 find_lock_delalloc_range(struct inode *inode,
struct extent_io_tree *tree,

37
fs/btrfs/inode.c
View File

@ -7984,6 +7984,8 @@ static int dio_read_error(struct inode *inode, struct bio *failed_bio,
bio_end_io_t *repair_endio, void *repair_arg)
{
struct io_failure_record *failrec;
struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
struct extent_io_tree *failure_tree = &BTRFS_I(inode)->io_failure_tree;
struct bio *bio;
int isector;
int read_mode = 0;
@ -7998,7 +8000,7 @@ static int dio_read_error(struct inode *inode, struct bio *failed_bio,
ret = btrfs_check_dio_repairable(inode, failed_bio, failrec,
failed_mirror);
if (!ret) {
free_io_failure(BTRFS_I(inode), failrec);
free_io_failure(failure_tree, io_tree, failrec);
return -EIO;
}
@ -8012,7 +8014,7 @@ static int dio_read_error(struct inode *inode, struct bio *failed_bio,
bio = btrfs_create_repair_bio(inode, failed_bio, failrec, page,
pgoff, isector, repair_endio, repair_arg);
if (!bio) {
free_io_failure(BTRFS_I(inode), failrec);
free_io_failure(failure_tree, io_tree, failrec);
return -EIO;
}
bio_set_op_attrs(bio, REQ_OP_READ, read_mode);
@ -8023,7 +8025,7 @@ static int dio_read_error(struct inode *inode, struct bio *failed_bio,
ret = submit_dio_repair_bio(inode, bio, failrec->this_mirror);
if (ret) {
free_io_failure(BTRFS_I(inode), failrec);
free_io_failure(failure_tree, io_tree, failrec);
bio_put(bio);
}
@ -8040,19 +8042,24 @@ struct btrfs_retry_complete {
static void btrfs_retry_endio_nocsum(struct bio *bio)
{
struct btrfs_retry_complete *done = bio->bi_private;
struct inode *inode = done->inode;
struct bio_vec *bvec;
struct extent_io_tree *io_tree, *failure_tree;
int i;
if (bio->bi_error)
goto end;
ASSERT(bio->bi_vcnt == 1);
ASSERT(bio->bi_io_vec->bv_len == btrfs_inode_sectorsize(done->inode));
io_tree = &BTRFS_I(inode)->io_tree;
failure_tree = &BTRFS_I(inode)->io_failure_tree;
ASSERT(bio->bi_io_vec->bv_len == btrfs_inode_sectorsize(inode));
done->uptodate = 1;
bio_for_each_segment_all(bvec, bio, i)
clean_io_failure(BTRFS_I(done->inode), done->start,
bvec->bv_page, 0);
clean_io_failure(BTRFS_I(inode)->root->fs_info, failure_tree,
io_tree, done->start, bvec->bv_page,
btrfs_ino(BTRFS_I(inode)), 0);
end:
complete(&done->done);
bio_put(bio);
@ -8117,6 +8124,8 @@ static void btrfs_retry_endio(struct bio *bio)
{
struct btrfs_retry_complete *done = bio->bi_private;
struct btrfs_io_bio *io_bio = btrfs_io_bio(bio);
struct extent_io_tree *io_tree, *failure_tree;
struct inode *inode = done->inode;
struct bio_vec *bvec;
int uptodate;
int ret;
@ -8130,13 +8139,19 @@ static void btrfs_retry_endio(struct bio *bio)
ASSERT(bio->bi_vcnt == 1);
ASSERT(bio->bi_io_vec->bv_len == btrfs_inode_sectorsize(done->inode));
io_tree = &BTRFS_I(inode)->io_tree;
failure_tree = &BTRFS_I(inode)->io_failure_tree;
bio_for_each_segment_all(bvec, bio, i) {
ret = __readpage_endio_check(done->inode, io_bio, i,
bvec->bv_page, bvec->bv_offset,
done->start, bvec->bv_len);
ret = __readpage_endio_check(inode, io_bio, i, bvec->bv_page,
bvec->bv_offset, done->start,
bvec->bv_len);
if (!ret)
clean_io_failure(BTRFS_I(done->inode), done->start,
bvec->bv_page, bvec->bv_offset);
clean_io_failure(BTRFS_I(inode)->root->fs_info,
failure_tree, io_tree, done->start,
bvec->bv_page,
btrfs_ino(BTRFS_I(inode)),
bvec->bv_offset);
else
uptodate = 0;
}