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authorTrond Myklebust <trondmy@gmail.com>2019-09-20 07:23:43 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2019-09-20 15:39:56 -0400
commit6109bcf7130126d24a9ec9d881c665d5d9ab0eb4 (patch)
tree5978bbc1d2bc3ced82550dddda7545bd54f478c7 /fs/nfs
parent078a432d1c6afc2e70c6c5a0ce8ff29ce2a2e34a (diff)
downloadlinux-6109bcf7130126d24a9ec9d881c665d5d9ab0eb4.tar.gz
NFSv4: Handle RPC level errors in LAYOUTRETURN
Handle RPC level errors by assuming that the RPC call was successful.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/nfs4proc.c9
-rw-r--r--fs/nfs/pnfs.c15
2 files changed, 24 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index a7cecac5a4ec..c0bff7ad0c9f 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -9051,6 +9051,15 @@ static void nfs4_layoutreturn_done(struct rpc_task *task, void *calldata)
 	if (!nfs41_sequence_process(task, &lrp->res.seq_res))
 		return;
 
+	/*
+	 * Was there an RPC level error? Assume the call succeeded,
+	 * and that we need to release the layout
+	 */
+	if (task->tk_rpc_status != 0 && RPC_WAS_SENT(task)) {
+		lrp->res.lrs_present = 0;
+		return;
+	}
+
 	server = NFS_SERVER(lrp->args.inode);
 	switch (task->tk_status) {
 	case -NFS4ERR_OLD_STATEID:
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 6436047dc999..abc7188f1853 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1455,6 +1455,21 @@ int pnfs_roc_done(struct rpc_task *task, struct inode *inode,
 	case 0:
 		retval = 0;
 		break;
+	case -NFS4ERR_NOMATCHING_LAYOUT:
+		/* Was there an RPC level error? If not, retry */
+		if (task->tk_rpc_status == 0)
+			break;
+		/* If the call was not sent, let caller handle it */
+		if (!RPC_WAS_SENT(task))
+			return 0;
+		/*
+		 * Otherwise, assume the call succeeded and
+		 * that we need to release the layout
+		 */
+		*ret = 0;
+		(*respp)->lrs_present = 0;
+		retval = 0;
+		break;
 	case -NFS4ERR_DELAY:
 		/* Let the caller handle the retry */
 		*ret = -NFS4ERR_NOMATCHING_LAYOUT;