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nfsd4: expire old client earlier 

Before we had to delay expiring a client till we'd found out whether the
session and connection allocations would succeed.  That's no longer
necessary.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2012-09-12 14:41:31 -04:00
parent 81f0b2a496
commit 8f9d3d3b7c
1 changed files with 7 additions and 10 deletions
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17
fs/nfsd/nfs4state.c
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@ -1756,7 +1756,6 @@ nfsd4_create_session(struct svc_rqst *rqstp,
struct nfsd4_session *new;
struct nfsd4_conn *conn;
struct nfsd4_clid_slot *cs_slot = NULL;
bool confirm_me = false;
__be32 status = 0;
if (cr_ses->flags & ~SESSION4_FLAG_MASK_A)
@ -1786,6 +1785,8 @@ nfsd4_create_session(struct svc_rqst *rqstp,
goto out_free_conn;
}
} else if (unconf) {
unsigned int hash;
struct nfs4_client *old;
if (!same_creds(&unconf->cl_cred, &rqstp->rq_cred) ||
!rpc_cmp_addr(sa, (struct sockaddr *) &unconf->cl_addr)) {
status = nfserr_clid_inuse;
@ -1798,7 +1799,11 @@ nfsd4_create_session(struct svc_rqst *rqstp,
status = nfserr_seq_misordered;
goto out_free_conn;
}
confirm_me = true;
hash = clientstr_hashval(unconf->cl_recdir);
old = find_confirmed_client_by_str(unconf->cl_recdir, hash);
if (old)
expire_client(old);
move_to_confirmed(unconf);
conf = unconf;
} else {
status = nfserr_stale_clientid;
@ -1823,14 +1828,6 @@ nfsd4_create_session(struct svc_rqst *rqstp,
/* cache solo and embedded create sessions under the state lock */
nfsd4_cache_create_session(cr_ses, cs_slot, status);
if (confirm_me) {
unsigned int hash = clientstr_hashval(unconf->cl_recdir);
struct nfs4_client *old =
find_confirmed_client_by_str(conf->cl_recdir, hash);
if (old)
expire_client(old);
move_to_confirmed(conf);
}
out:
nfs4_unlock_state();
dprintk("%s returns %d\n", __func__, ntohl(status));