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NFSv4: try lease recovery on NFS4ERR_EXPIRED

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commit 924491f2e476f7234d722b24171a4daff61bbe13 upstream.

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

Fixes: 272289a3df ("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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Robert Milkowski 2020-01-28 08:37:47 +00:00 • committed by Greg Kroah-Hartman
parent e69fb85b02
commit 0cffbe2a1b
1 changed files with 5 additions and 0 deletions
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5
fs/nfs/nfs4proc.c
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@ -2923,6 +2923,11 @@ 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;