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NFSv4: Update list of irrecoverable errors on DELEGRETURN 

commit c97cf606e43b85a6cf158b810375dd77312024db upstream.

If the DELEGRETURN errors out with something like NFS4ERR_BAD_STATEID
then there is no recovery possible. Just quit without returning an error.

Also, note that the client must not assume that the NFSv4 lease has been
renewed when it sees an error on DELEGRETURN.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Trond Myklebust 2013-11-19 16:34:14 -05:00 committed by Greg Kroah-Hartman
parent 5ee54c2a92
commit a1a84b6253
1 changed files with 8 additions and 2 deletions
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10
fs/nfs/nfs4proc.c
View File

@ -4041,11 +4041,17 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
return;
switch (task->tk_status) {
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_EXPIRED:
case 0:
renew_lease(data->res.server, data->timestamp);
break;
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_DELEG_REVOKED:
case -NFS4ERR_BAD_STATEID:
case -NFS4ERR_OLD_STATEID:
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_EXPIRED:
task->tk_status = 0;
break;
default:
if (nfs4_async_handle_error(task, data->res.server, NULL) ==
-EAGAIN) {