| From | Sasha Levin <> | Subject | [PATCH AUTOSEL 4.9 140/141] NFSv4: try lease recovery on NFS4ERR_EXPIRED | Date | Fri, 14 Feb 2020 11:21:20 -0500 |
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From: Robert Milkowski <rmilkowski@gmail.com>
[ Upstream commit 924491f2e476f7234d722b24171a4daff61bbe13 ]
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> Signed-off-by: Sasha Levin <sashal@kernel.org> --- fs/nfs/nfs4proc.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index ca4249ae644f2..632d3c3f8dfb3 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2916,6 +2916,11 @@ 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; -- 2.20.1
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