NFSv4: open() should try lease recovery on NFS4ERR_EXPIRED
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Message ID 05c201d5b439$d99083c0$8cb18b40$@gmail.com
State New
Headers show
Series
  • NFSv4: open() should try lease recovery on NFS4ERR_EXPIRED
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Commit Message

Robert Milkowski Dec. 16, 2019, 5:54 p.m. UTC
From: Robert Milkowski <rmilkowski@gmail.com>

Currently, if an nfs server returns NFS4ERR_EXPIRED to open,
we return EIO to applications without even trying to recover.

Signed-off-by: Robert Milkowski <rmilkowski@gmail.com>
---
 fs/nfs/nfs4proc.c | 4 ++++
 1 file changed, 4 insertions(+)

 			if (inode) {

Patch
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diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index aad65dd..04e6a13 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -481,6 +481,10 @@  static int nfs4_do_handle_exception(struct nfs_server
*server,
 						stateid);
 				goto wait_on_recovery;
 			}
+			if (state == NULL) {
+				nfs4_schedule_lease_recovery(clp);
+				goto wait_on_recovery;
+			}
 			/* Fall through */
 		case -NFS4ERR_OPENMODE: