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Message-Id: <20200213152009.128846716@linuxfoundation.org>
Date: Thu, 13 Feb 2020 07:20:52 -0800
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Robert Milkowski <rmilkowski@...il.com>,
Trond Myklebust <trond.myklebust@...merspace.com>,
Anna Schumaker <Anna.Schumaker@...app.com>
Subject: [PATCH 4.14 149/173] NFSv4: try lease recovery on NFS4ERR_EXPIRED
From: Robert Milkowski <rmilkowski@...il.com>
commit 924491f2e476f7234d722b24171a4daff61bbe13 upstream.
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@...il.com>
Reviewed-by: Trond Myklebust <trond.myklebust@...merspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@...app.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
fs/nfs/nfs4proc.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2923,6 +2923,11 @@ static struct nfs4_state *nfs4_do_open(s
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;
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