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nfsd41: renew_client must be called under the state lock
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Until we work out the state locking so we can use a spin lock to protect
the cl_lru, we need to take the state_lock to renew the client.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfsd41: Do not renew state on error]
Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfsd41: Simplify exit code]
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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Benny Halevy authored and J. Bruce Fields committed Aug 27, 2009
1 parent eac8173 commit aaf84eb
Showing 1 changed file with 8 additions and 5 deletions.
13 changes: 8 additions & 5 deletions fs/nfsd/nfs4state.c
Original file line number Diff line number Diff line change
Expand Up @@ -1481,7 +1481,7 @@ nfsd4_sequence(struct svc_rqst *rqstp,
* for nfsd4_svc_encode_compoundres processing */
status = nfsd4_replay_cache_entry(resp, seq);
cstate->status = nfserr_replay_cache;
goto replay_cache;
goto out;
}
if (status)
goto out;
Expand All @@ -1497,15 +1497,18 @@ nfsd4_sequence(struct svc_rqst *rqstp,
cstate->slot = slot;
cstate->session = session;

replay_cache:
/* Renew the clientid on success and on replay.
* Hold a session reference until done processing the compound:
/* Hold a session reference until done processing the compound:
* nfsd4_put_session called only if the cstate slot is set.
*/
renew_client(session->se_client);
nfsd4_get_session(session);
out:
spin_unlock(&sessionid_lock);
/* Renew the clientid on success and on replay */
if (cstate->session) {
nfs4_lock_state();
renew_client(session->se_client);
nfs4_unlock_state();
}
dprintk("%s: return %d\n", __func__, ntohl(status));
return status;
}
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