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authorRobert Milkowski <rmilkowski@gmail.com>2020-01-28 08:37:47 +0000
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2020-02-04 12:08:24 -0500
commit924491f2e476f7234d722b24171a4daff61bbe13 (patch)
tree7b88a6026725a2cb750c3ef931b4b208b3692058
parent123c23c6a7b7ecd2a3d6060bea1d94019f71fd66 (diff)
downloadlinux-924491f2e476f7234d722b24171a4daff61bbe13.tar.gz
NFSv4: try lease recovery on NFS4ERR_EXPIRED
Currently, if an nfs server returns NFS4ERR_EXPIRED to open(),
we return EIO to applications without even trying to recover.

Fixes: 272289a3df72 ("NFSv4: nfs4_do_handle_exception() handle revoke/expiry of a single stateid")
Signed-off-by: Robert Milkowski <rmilkowski@gmail.com>
Reviewed-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
-rw-r--r--fs/nfs/nfs4proc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index df38db2eee3b..a4ace14756ac 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3199,6 +3199,11 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir,
 			exception.retry = 1;
 			continue;
 		}
+		if (status == -NFS4ERR_EXPIRED) {
+			nfs4_schedule_lease_recovery(server->nfs_client);
+			exception.retry = 1;
+			continue;
+		}
 		if (status == -EAGAIN) {
 			/* We must have found a delegation */
 			exception.retry = 1;