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authorTrond Myklebust <trond.myklebust@hammerspace.com>2018-05-29 22:06:08 -0400
committerTrond Myklebust <trond.myklebust@hammerspace.com>2018-05-31 15:02:16 -0400
commitcf61eb268678c83eef812f937a3a9aeee67c460b (patch)
tree3f0f6ef3efddddf1a3f71795ee9b90a3801f6098 /fs/nfs
parentd68894800ec5712d7ddf042356f11e36f87d7f78 (diff)
NFSv4: Always clear the pNFS layout when handling ESTALE
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@hammerspace.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/nfs42proc.c4
-rw-r--r--fs/nfs/nfs4proc.c5
2 files changed, 9 insertions, 0 deletions
diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c
index 4d4a3df28779..5f59b6f65a42 100644
--- a/fs/nfs/nfs42proc.c
+++ b/fs/nfs/nfs42proc.c
@@ -370,6 +370,10 @@ nfs42_layoutstat_done(struct rpc_task *task, void *calldata)
switch (task->tk_status) {
case 0:
break;
+ case -NFS4ERR_BADHANDLE:
+ 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 36e36f176c75..a0f16c8c5ebd 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -407,6 +407,11 @@ static int nfs4_do_handle_exception(struct nfs_server *server,
switch(errorcode) {
case 0:
return 0;
+ case -NFS4ERR_BADHANDLE:
+ 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: