* Use is subject to license terms.
*/
/*
+ * Copyright (c) 2011 Whamcloud, Inc.
+ */
+/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*
limit_org = limit;
/* when a releasing quota req is sent, before it returned
limit is assigned a small value. limit will overflow */
- if (limit + record < 0)
+ if (record < 0)
usage -= record;
else
limit += record;
cfs_spin_lock(&qctxt->lqc_lock);
if (wait && !qctxt->lqc_import) {
cfs_spin_unlock(&qctxt->lqc_lock);
-
- LASSERT(oti && oti->oti_thread &&
- oti->oti_thread->t_watchdog);
-
- lc_watchdog_disable(oti->oti_thread->t_watchdog);
+ LASSERT(oti && oti->oti_thread);
+ /* The recovery thread doesn't have watchdog
+ * attached. LU-369 */
+ if (oti->oti_thread->t_watchdog)
+ lc_watchdog_disable(oti->oti_thread->\
+ t_watchdog);
CDEBUG(D_QUOTA, "sleep for quota master\n");
l_wait_event(qctxt->lqc_wait_for_qmaster,
check_qm(qctxt), &lwi);
CDEBUG(D_QUOTA, "wake up when quota master is back\n");
- lc_watchdog_touch(oti->oti_thread->t_watchdog,
- CFS_GET_TIMEOUT(oti->oti_thread->t_svc));
+ if (oti->oti_thread->t_watchdog)
+ lc_watchdog_touch(oti->oti_thread->t_watchdog,
+ CFS_GET_TIMEOUT(oti->oti_thread->t_svc));
} else {
cfs_spin_unlock(&qctxt->lqc_lock);
}
aa->aa_qunit = qunit;
req->rq_interpret_reply = dqacq_interpret;
- ptlrpcd_add_req(req, PSCOPE_OTHER);
+ ptlrpcd_add_req(req, PDL_POLICY_LOCAL, -1);
QDATA_DEBUG(qdata, "%s scheduled.\n",
opc == QUOTA_DQACQ ? "DQACQ" : "DQREL");
RETURN(rc);
}
-
-int hash_put_lqs(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+int qctxt_del_lqs(cfs_hash_t *hs, cfs_hash_bd_t *bd,
cfs_hlist_node_t *hnode, void *data)
-
{
- lqs_putref((struct lustre_qunit_size *)cfs_hash_object(hs, hnode));
+ /* remove from hash and -1 refcount */
+ cfs_hash_bd_del_locked(hs, bd, hnode);
return 0;
}
cfs_time_seconds(1));
}
- cfs_hash_for_each_safe(qctxt->lqc_lqs_hash, hash_put_lqs, NULL);
+ /* release refcount on lustre_qunit_size holding by lqs_hash */
+ cfs_hash_for_each_safe(qctxt->lqc_lqs_hash, qctxt_del_lqs, NULL);
+
l_wait_event(qctxt->lqc_lqs_waitq, check_lqs(qctxt), &lwi);
cfs_down_write(&obt->obt_rwsem);
cfs_hash_putref(qctxt->lqc_lqs_hash);
data.qctxt = qctxt;
cfs_init_completion(&data.comp);
- rc = cfs_kernel_thread(qslave_recovery_main, &data,
- CLONE_VM|CLONE_FILES);
+ rc = cfs_create_thread(qslave_recovery_main, &data,
+ CFS_DAEMON_FLAGS);
if (rc < 0) {
CERROR("Cannot start quota recovery thread: rc %d\n", rc);
goto exit;
EXIT;
}
-int quota_is_on(struct lustre_quota_ctxt *qctxt, struct obd_quotactl *oqctl)
+inline int quota_is_on(struct lustre_quota_ctxt *qctxt,
+ struct obd_quotactl *oqctl)
{
- unsigned int type;
-
- for (type = USRQUOTA; type < MAXQUOTAS; type++) {
- if (!Q_TYPESET(oqctl, type))
- continue;
- if (!(qctxt->lqc_flags & UGQUOTA2LQC(oqctl->qc_type)))
- return 0;
- }
- return 1;
+ return ((qctxt->lqc_flags & UGQUOTA2LQC(oqctl->qc_type)) ==
+ UGQUOTA2LQC(oqctl->qc_type));
}
-int quota_is_off(struct lustre_quota_ctxt *qctxt, struct obd_quotactl *oqctl)
+inline int quota_is_off(struct lustre_quota_ctxt *qctxt,
+ struct obd_quotactl *oqctl)
{
- unsigned int type;
-
- for (type = USRQUOTA; type < MAXQUOTAS; type++) {
- if (!Q_TYPESET(oqctl, type))
- continue;
- if (qctxt->lqc_flags & UGQUOTA2LQC(oqctl->qc_type))
- return 0;
- }
- return 1;
+ return !(qctxt->lqc_flags & UGQUOTA2LQC(oqctl->qc_type));
}
/**
* string hashing using djb2 hash algorithm
*/
static unsigned
-lqs_hash(cfs_hash_t *hs, void *key, unsigned mask)
+lqs_hash(cfs_hash_t *hs, const void *key, unsigned mask)
{
- struct quota_adjust_qunit *lqs_key;
+ unsigned long long id;
unsigned hash;
ENTRY;
LASSERT(key);
- lqs_key = (struct quota_adjust_qunit *)key;
- hash = (QAQ_IS_GRP(lqs_key) ? 5381 : 5387) * lqs_key->qaq_id;
+ id = *((unsigned long long *)key);
+ hash = (LQS_KEY_GRP(id) ? 5381 : 5387) * (unsigned)LQS_KEY_ID(id);
RETURN(hash & mask);
}
}
static int
-lqs_keycmp(void *key, cfs_hlist_node_t *hnode)
+lqs_keycmp(const void *key, cfs_hlist_node_t *hnode)
{
struct lustre_qunit_size *q =
cfs_hlist_entry(hnode, struct lustre_qunit_size, lqs_hash);
struct lustre_qunit_size *q =
cfs_hlist_entry(hnode, struct lustre_qunit_size, lqs_hash);
- __lqs_getref(q);
+ lqs_getref(q);
}
static void
struct lustre_qunit_size *q =
cfs_hlist_entry(hnode, struct lustre_qunit_size, lqs_hash);
- __lqs_putref(q);
+ lqs_putref(q);
}
static void
lqs_exit(cfs_hash_t *hs, cfs_hlist_node_t *hnode)
{
- struct lustre_qunit_size *q =
- cfs_hlist_entry(hnode, struct lustre_qunit_size, lqs_hash);
-
- /*
- * Nothing should be left. User of lqs put it and
- * lqs also was deleted from table by this time
- * so we should have 0 refs.
- */
- LASSERTF(cfs_atomic_read(&q->lqs_refcount) == 0,
- "Busy lqs %p with %d refs\n", q,
- cfs_atomic_read(&q->lqs_refcount));
- OBD_FREE_PTR(q);
+ CERROR("It should not have any item left to be handled by this!");
}
static cfs_hash_ops_t lqs_hash_ops = {
git://git.whamcloud.com / fs / lustre-release.git / blobdiff