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authorTrond Myklebust <trond.myklebust@primarydata.com>2016-09-15 18:26:05 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2016-09-27 14:35:36 -0400
commitbfc505ded01e3c57d12c6f939f352200655d8635 (patch)
tree0f830bf3f57aa443692ea062a5c642c086e410dd
parent77b00bc037e7c58d7a4ef791d1c7eeaf6f7a43e3 (diff)
downloadop-kernel-dev-bfc505ded01e3c57d12c6f939f352200655d8635.zip
op-kernel-dev-bfc505ded01e3c57d12c6f939f352200655d8635.tar.gz
pNFS: Fix atime updates on pNFS clients
Fix the code so that we always mark the atime as invalid in nfs4_read_done(). Currently, the expectation appears to be that the pNFS drivers should always do this, with the result that most of them don't. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
-rw-r--r--fs/nfs/internal.h1
-rw-r--r--fs/nfs/nfs4proc.c8
-rw-r--r--fs/nfs/pnfs.c4
3 files changed, 3 insertions, 10 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 4f0b2db..512b776 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -560,7 +560,6 @@ void nfs_init_cinfo_from_dreq(struct nfs_commit_info *cinfo,
extern ssize_t nfs_dreq_bytes_left(struct nfs_direct_req *dreq);
/* nfs4proc.c */
-extern void __nfs4_read_done_cb(struct nfs_pgio_header *);
extern struct nfs_client *nfs4_init_client(struct nfs_client *clp,
const struct nfs_client_initdata *);
extern int nfs40_walk_client_list(struct nfs_client *clp,
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 27120ba..5b2b07b 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -4557,11 +4557,6 @@ static bool nfs4_error_stateid_expired(int err)
return false;
}
-void __nfs4_read_done_cb(struct nfs_pgio_header *hdr)
-{
- nfs_invalidate_atime(hdr->inode);
-}
-
static int nfs4_read_done_cb(struct rpc_task *task, struct nfs_pgio_header *hdr)
{
struct nfs_server *server = NFS_SERVER(hdr->inode);
@@ -4581,7 +4576,6 @@ static int nfs4_read_done_cb(struct rpc_task *task, struct nfs_pgio_header *hdr)
}
}
- __nfs4_read_done_cb(hdr);
if (task->tk_status > 0)
renew_lease(server, hdr->timestamp);
return 0;
@@ -4610,6 +4604,8 @@ static int nfs4_read_done(struct rpc_task *task, struct nfs_pgio_header *hdr)
return -EAGAIN;
if (nfs4_read_stateid_changed(task, &hdr->args))
return -EAGAIN;
+ if (task->tk_status > 0)
+ nfs_invalidate_atime(hdr->inode);
return hdr->pgio_done_cb ? hdr->pgio_done_cb(task, hdr) :
nfs4_read_done_cb(task, hdr);
}
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index b588ccf..56b2d96 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -2230,10 +2230,8 @@ static void pnfs_ld_handle_read_error(struct nfs_pgio_header *hdr)
*/
void pnfs_ld_read_done(struct nfs_pgio_header *hdr)
{
- if (likely(!hdr->pnfs_error)) {
- __nfs4_read_done_cb(hdr);
+ if (likely(!hdr->pnfs_error))
hdr->mds_ops->rpc_call_done(&hdr->task, hdr);
- }
trace_nfs4_pnfs_read(hdr, hdr->pnfs_error);
if (unlikely(hdr->pnfs_error))
pnfs_ld_handle_read_error(hdr);
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