BugLink: http://bugs.launchpad.net/bugs/793702
commit
0ced63d1a245ac11241a5d37932e6d04d9c8040d upstream.
Currently, if the server returns NFS4ERR_EXPIRED in reply to a READ or
WRITE, but the RENEW test determines that the lease is still active, we
fail to recover and end up looping forever in a READ/WRITE + RENEW death
spiral.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
break;
nfs4_schedule_stateid_recovery(server, state);
goto wait_on_recovery;
break;
nfs4_schedule_stateid_recovery(server, state);
goto wait_on_recovery;
+ case -NFS4ERR_EXPIRED:
+ if (state != NULL)
+ nfs4_schedule_stateid_recovery(server, state);
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_STALE_CLIENTID:
nfs4_schedule_lease_recovery(clp);
goto wait_on_recovery;
#if defined(CONFIG_NFS_V4_1)
nfs4_schedule_lease_recovery(clp);
goto wait_on_recovery;
#if defined(CONFIG_NFS_V4_1)
break;
nfs4_schedule_stateid_recovery(server, state);
goto wait_on_recovery;
break;
nfs4_schedule_stateid_recovery(server, state);
goto wait_on_recovery;
+ case -NFS4ERR_EXPIRED:
+ if (state != NULL)
+ nfs4_schedule_stateid_recovery(server, state);
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_STALE_CLIENTID:
nfs4_schedule_lease_recovery(clp);
goto wait_on_recovery;
#if defined(CONFIG_NFS_V4_1)
nfs4_schedule_lease_recovery(clp);
goto wait_on_recovery;
#if defined(CONFIG_NFS_V4_1)
case -ESTALE:
goto out;
case -NFS4ERR_EXPIRED:
case -ESTALE:
goto out;
case -NFS4ERR_EXPIRED:
+ nfs4_schedule_stateid_recovery(server, state);
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_STALE_STATEID:
nfs4_schedule_lease_recovery(server->nfs_client);
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_STALE_STATEID:
nfs4_schedule_lease_recovery(server->nfs_client);