If we get an ESTALE error in response to an RPC call operating on the
file on the MDS, we should immediately cancel the layout for that file.
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
fs/nfs/nfs42proc.c | 5 +++++
fs/nfs/nfs4proc.c | 6 ++++++
2 files changed, 11 insertions(+)
diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c
index 4d4a3df28779..286731b22792 100644
--- a/fs/nfs/nfs42proc.c
+++ b/fs/nfs/nfs42proc.c
@@ -370,6 +370,11 @@ nfs42_layoutstat_done(struct rpc_task *task, void *calldata)
switch (task->tk_status) {
case 0:
break;
+ case -NFS4ERR_BADHANDLE:
+ case -NFS4ERR_STALE:
+ case -ESTALE:
+ pnfs_destroy_layout(NFS_I(inode));
+ break;
case -NFS4ERR_EXPIRED:
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_DELEG_REVOKED:
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 07a7f2d8f3e2..66664d814b3c 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -407,6 +407,12 @@ static int nfs4_do_handle_exception(struct nfs_server *server,
switch(errorcode) {
case 0:
return 0;
+ case -NFS4ERR_BADHANDLE:
+ case -NFS4ERR_STALE:
+ case -ESTALE:
+ if (inode != NULL && S_ISREG(inode->i_mode))
+ pnfs_destroy_layout(NFS_I(inode));
+ break;
case -NFS4ERR_DELEG_REVOKED:
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_EXPIRED:
--
2.17.0
--
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