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NFS client bugfixes for Linux 5.9 

Highlights include:
 
 Bugfixes:
 - NFSv4.2: copy_file_range needs to invalidate caches on success
 - NFSv4.2: Fix security label length not being reset
 - pNFS/flexfiles: Ensure we initialise the mirror bsizes correctly on read
 - pNFS/flexfiles: Fix signed/unsigned type issues with mirror indices
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Merge tag 'nfs-for-5.9-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client bugfixes from Trond Myklebust:
 "Highlights include:

   - NFSv4.2: copy_file_range needs to invalidate caches on success

   - NFSv4.2: Fix security label length not being reset

   - pNFS/flexfiles: Ensure we initialise the mirror bsizes correctly
     on read

   - pNFS/flexfiles: Fix signed/unsigned type issues with mirror
     indices"

* tag 'nfs-for-5.9-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  pNFS/flexfiles: Be consistent about mirror index types
  pNFS/flexfiles: Ensure we initialise the mirror bsizes correctly on read
  NFSv4.2: fix client's attribute cache management for copy_file_range
  nfs: Fix security label length not being reset
This commit is contained in:
Linus Torvalds 2020-09-28 11:05:56 -07:00
parent a4d63c3732 b9df46d08a
commit fb0155a09b
4 changed files with 36 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
fs/nfs/dir.c
View File

@ -579,6 +579,9 @@ int nfs_readdir_page_filler(nfs_readdir_descriptor_t *desc, struct nfs_entry *en
xdr_set_scratch_buffer(&stream, page_address(scratch), PAGE_SIZE);
do {
if (entry->label)
entry->label->len = NFS4_MAXLABELLEN;
status = xdr_decode(desc, entry, &stream);
if (status != 0) {
if (status == -EAGAIN)

43
fs/nfs/flexfilelayout/flexfilelayout.c
View File

@ -715,7 +715,7 @@ nfs4_ff_layout_stat_io_end_write(struct rpc_task *task,
}
static void
ff_layout_mark_ds_unreachable(struct pnfs_layout_segment *lseg, int idx)
ff_layout_mark_ds_unreachable(struct pnfs_layout_segment *lseg, u32 idx)
{
struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);
@ -724,7 +724,7 @@ ff_layout_mark_ds_unreachable(struct pnfs_layout_segment *lseg, int idx)
}
static void
ff_layout_mark_ds_reachable(struct pnfs_layout_segment *lseg, int idx)
ff_layout_mark_ds_reachable(struct pnfs_layout_segment *lseg, u32 idx)
{
struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);
@ -734,14 +734,14 @@ ff_layout_mark_ds_reachable(struct pnfs_layout_segment *lseg, int idx)
static struct nfs4_pnfs_ds *
ff_layout_choose_ds_for_read(struct pnfs_layout_segment *lseg,
int start_idx, int *best_idx,
u32 start_idx, u32 *best_idx,
bool check_device)
{
struct nfs4_ff_layout_segment *fls = FF_LAYOUT_LSEG(lseg);
struct nfs4_ff_layout_mirror *mirror;
struct nfs4_pnfs_ds *ds;
bool fail_return = false;
int idx;
u32 idx;
/* mirrors are initially sorted by efficiency */
for (idx = start_idx; idx < fls->mirror_array_cnt; idx++) {
@ -766,21 +766,21 @@ ff_layout_choose_ds_for_read(struct pnfs_layout_segment *lseg,
static struct nfs4_pnfs_ds *
ff_layout_choose_any_ds_for_read(struct pnfs_layout_segment *lseg,
int start_idx, int *best_idx)
u32 start_idx, u32 *best_idx)
{
return ff_layout_choose_ds_for_read(lseg, start_idx, best_idx, false);
}
static struct nfs4_pnfs_ds *
ff_layout_choose_valid_ds_for_read(struct pnfs_layout_segment *lseg,
int start_idx, int *best_idx)
u32 start_idx, u32 *best_idx)
{
return ff_layout_choose_ds_for_read(lseg, start_idx, best_idx, true);
}
static struct nfs4_pnfs_ds *
ff_layout_choose_best_ds_for_read(struct pnfs_layout_segment *lseg,
int start_idx, int *best_idx)
u32 start_idx, u32 *best_idx)
{
struct nfs4_pnfs_ds *ds;
@ -791,7 +791,8 @@ ff_layout_choose_best_ds_for_read(struct pnfs_layout_segment *lseg,
}
static struct nfs4_pnfs_ds *
ff_layout_get_ds_for_read(struct nfs_pageio_descriptor *pgio, int *best_idx)
ff_layout_get_ds_for_read(struct nfs_pageio_descriptor *pgio,
u32 *best_idx)
{
struct pnfs_layout_segment *lseg = pgio->pg_lseg;
struct nfs4_pnfs_ds *ds;
@ -837,7 +838,7 @@ ff_layout_pg_init_read(struct nfs_pageio_descriptor *pgio,
struct nfs_pgio_mirror *pgm;
struct nfs4_ff_layout_mirror *mirror;
struct nfs4_pnfs_ds *ds;
int ds_idx;
u32 ds_idx, i;
retry:
ff_layout_pg_check_layout(pgio, req);
@ -863,14 +864,14 @@ ff_layout_pg_init_read(struct nfs_pageio_descriptor *pgio,
goto retry;
}
mirror = FF_LAYOUT_COMP(pgio->pg_lseg, ds_idx);
for (i = 0; i < pgio->pg_mirror_count; i++) {
mirror = FF_LAYOUT_COMP(pgio->pg_lseg, i);
pgm = &pgio->pg_mirrors[i];
pgm->pg_bsize = mirror->mirror_ds->ds_versions[0].rsize;
}
pgio->pg_mirror_idx = ds_idx;
/* read always uses only one mirror - idx 0 for pgio layer */
pgm = &pgio->pg_mirrors[0];
pgm->pg_bsize = mirror->mirror_ds->ds_versions[0].rsize;
if (NFS_SERVER(pgio->pg_inode)->flags &
(NFS_MOUNT_SOFT|NFS_MOUNT_SOFTERR))
pgio->pg_maxretrans = io_maxretrans;
@ -894,7 +895,7 @@ ff_layout_pg_init_write(struct nfs_pageio_descriptor *pgio,
struct nfs4_ff_layout_mirror *mirror;
struct nfs_pgio_mirror *pgm;
struct nfs4_pnfs_ds *ds;
int i;
u32 i;
retry:
ff_layout_pg_check_layout(pgio, req);
@ -1038,7 +1039,7 @@ static void ff_layout_reset_write(struct nfs_pgio_header *hdr, bool retry_pnfs)
static void ff_layout_resend_pnfs_read(struct nfs_pgio_header *hdr)
{
u32 idx = hdr->pgio_mirror_idx + 1;
int new_idx = 0;
u32 new_idx = 0;
if (ff_layout_choose_any_ds_for_read(hdr->lseg, idx + 1, &new_idx))
ff_layout_send_layouterror(hdr->lseg);
@ -1075,7 +1076,7 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task,
struct nfs4_state *state,
struct nfs_client *clp,
struct pnfs_layout_segment *lseg,
int idx)
u32 idx)
{
struct pnfs_layout_hdr *lo = lseg->pls_layout;
struct inode *inode = lo->plh_inode;
@ -1149,7 +1150,7 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task,
/* Retry all errors through either pNFS or MDS except for -EJUKEBOX */
static int ff_layout_async_handle_error_v3(struct rpc_task *task,
struct pnfs_layout_segment *lseg,
int idx)
u32 idx)
{
struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);
@ -1184,7 +1185,7 @@ static int ff_layout_async_handle_error(struct rpc_task *task,
struct nfs4_state *state,
struct nfs_client *clp,
struct pnfs_layout_segment *lseg,
int idx)
u32 idx)
{
int vers = clp->cl_nfs_mod->rpc_vers->number;
@ -1211,7 +1212,7 @@ static int ff_layout_async_handle_error(struct rpc_task *task,
}
static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg,
int idx, u64 offset, u64 length,
u32 idx, u64 offset, u64 length,
u32 *op_status, int opnum, int error)
{
struct nfs4_ff_layout_mirror *mirror;
@ -1809,7 +1810,7 @@ ff_layout_write_pagelist(struct nfs_pgio_header *hdr, int sync)
loff_t offset = hdr->args.offset;
int vers;
struct nfs_fh *fh;
int idx = hdr->pgio_mirror_idx;
u32 idx = hdr->pgio_mirror_idx;
mirror = FF_LAYOUT_COMP(lseg, idx);
ds = nfs4_ff_layout_prepare_ds(lseg, mirror, true);

10
fs/nfs/nfs42proc.c
View File

@ -356,7 +356,15 @@ static ssize_t _nfs42_proc_copy(struct file *src,
truncate_pagecache_range(dst_inode, pos_dst,
pos_dst + res->write_res.count);
spin_lock(&dst_inode->i_lock);
NFS_I(dst_inode)->cache_validity |= (NFS_INO_REVAL_PAGECACHE |
NFS_INO_REVAL_FORCED | NFS_INO_INVALID_SIZE |
NFS_INO_INVALID_ATTR | NFS_INO_INVALID_DATA);
spin_unlock(&dst_inode->i_lock);
spin_lock(&src_inode->i_lock);
NFS_I(src_inode)->cache_validity |= (NFS_INO_REVAL_PAGECACHE |
NFS_INO_REVAL_FORCED | NFS_INO_INVALID_ATIME);
spin_unlock(&src_inode->i_lock);
status = res->write_res.count;
out:
if (args->sync)

4
include/linux/nfs_xdr.h
View File

@ -1611,8 +1611,8 @@ struct nfs_pgio_header {
__u64 mds_offset; /* Filelayout dense stripe */
struct nfs_page_array page_array;
struct nfs_client *ds_clp; /* pNFS data server */
int ds_commit_idx; /* ds index if ds_clp is set */
int pgio_mirror_idx;/* mirror index in pgio layer */
u32 ds_commit_idx; /* ds index if ds_clp is set */
u32 pgio_mirror_idx;/* mirror index in pgio layer */
};
struct nfs_mds_commit_info {