NFSv4: Handle NFS4ERR_DELAY correctly in return-on-close
If the server sends a NFS4ERR_DELAY, then allow the caller to retry.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 8769422..6436047 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1455,6 +1455,10 @@ int pnfs_roc_done(struct rpc_task *task, struct inode *inode,
case 0:
retval = 0;
break;
+ case -NFS4ERR_DELAY:
+ /* Let the caller handle the retry */
+ *ret = -NFS4ERR_NOMATCHING_LAYOUT;
+ return 0;
case -NFS4ERR_OLD_STATEID:
if (!nfs4_layoutreturn_refresh_stateid(&arg->stateid,
&arg->range, inode))