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NFSv4: nfs4_do_handle_exception() handle revoke/expiry of a single stateid 

If we're not yet sure that all state has expired or been revoked, we
should try to do a minimal recovery on just the one stateid.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Tested-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust 2016-09-22 13:39:15 -04:00 committed by Anna Schumaker
parent 7f04883146
commit 272289a3df
1 changed files with 11 additions and 7 deletions
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18
fs/nfs/nfs4proc.c
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@ -397,13 +397,23 @@ static int nfs4_do_handle_exception(struct nfs_server *server,
exception->delay = 0;
exception->recovering = 0;
exception->retry = 0;
if (stateid == NULL && state != NULL)
stateid = &state->stateid;
switch(errorcode) {
case 0:
return 0;
case -NFS4ERR_OPENMODE:
case -NFS4ERR_DELEG_REVOKED:
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_EXPIRED:
case -NFS4ERR_BAD_STATEID:
if (inode != NULL && stateid != NULL) {
nfs_inode_find_state_and_recover(inode,
stateid);
goto wait_on_recovery;
}
case -NFS4ERR_OPENMODE:
if (inode) {
int err;
@ -422,12 +432,6 @@ static int nfs4_do_handle_exception(struct nfs_server *server,
if (ret < 0)
break;
goto wait_on_recovery;
case -NFS4ERR_EXPIRED:
if (state != NULL) {
ret = nfs4_schedule_stateid_recovery(server, state);
if (ret < 0)
break;
}
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_STALE_CLIENTID:
nfs4_schedule_lease_recovery(clp);