-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_LQUOTA
#ifdef __KERNEL__
# include <linux/init.h>
# include <linux/fs.h>
# include <linux/jbd.h>
-# include <linux/smp_lock.h>
# include <linux/buffer_head.h>
# include <linux/workqueue.h>
# include <linux/mount.h>
#ifdef __KERNEL__
-#ifdef HAVE_QUOTA_SUPPORT
-
static cfs_time_t last_print = 0;
-static cfs_spinlock_t last_print_lock = CFS_SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(last_print_lock);
static int filter_quota_setup(struct obd_device *obd)
{
for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
struct lustre_qunit_size *lqs = NULL;
+ /* check if quota is enabled */
+ if (!ll_sb_has_quota_active(obt->obt_sb, cnt))
+ continue;
+
lqs = quota_search_lqs(LQS_KEY(cnt, GET_OA_ID(cnt, oa)),
qctxt, 0);
- if (lqs == NULL || IS_ERR(lqs)) {
+ if (IS_ERR(lqs)) {
rc = PTR_ERR(lqs);
- if (rc)
- CDEBUG(D_QUOTA, "search lqs for %s %d failed, "
- "(rc = %d)\n",
- cnt == USRQUOTA ? "user" : "group",
- cnt == USRQUOTA ? oa->o_uid : oa->o_gid,
- rc);
+ CDEBUG(D_QUOTA, "search lqs for %s %d failed, "
+ "(rc = %d)\n",
+ cnt == USRQUOTA ? "user" : "group",
+ GET_OA_ID(cnt, oa), rc);
break;
+ } else if (lqs == NULL) {
+ /* continue to check group quota if the file's owner
+ * doesn't have quota limit. LU-530 */
+ continue;
} else {
cfs_spin_lock(&lqs->lqs_lock);
if (lqs->lqs_bunit_sz <= qctxt->lqc_sync_blk) {
QDATA_SET_BLK(&qdata[i]);
qdata[i].qd_count = 0;
+ /* check if quota is enabled */
+ if (!ll_sb_has_quota_active(qctxt->lqc_sb, i))
+ continue;
+
/* ignore root user */
if (qdata[i].qd_id == 0 && !QDATA_IS_GRP(&qdata[i]))
continue;
else
pending[i] += mb;
}
+ LASSERTF(pending[i] >= 0, "pending is not valid"
+ ", count=%d, mb=%d\n", count, mb);
lqs->lqs_bwrite_pending += pending[i];
} else {
pending[i] = count;
RETURN(0);
for (i = 0; i < MAXQUOTAS; i++) {
+ /* check if quota is enabled */
+ if (!ll_sb_has_quota_active(obd->u.obt.obt_qctxt.lqc_sb, i))
+ continue;
lqs = quota_search_lqs(LQS_KEY(i, id[i]),
&obd->u.obt.obt_qctxt, 0);
if (lqs && !IS_ERR(lqs)) {
while ((rc = quota_check_common(obd, id, pending, count, cycle, isblk,
inode, frags)) &
QUOTA_RET_ACQUOTA) {
-
- cfs_spin_lock(&qctxt->lqc_lock);
- if (!qctxt->lqc_import && oti) {
- cfs_spin_unlock(&qctxt->lqc_lock);
-
- LASSERT(oti && oti->oti_thread &&
- 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));
+ struct ptlrpc_thread *thr = oti != NULL ?
+ oti->oti_thread : NULL;
+
+ cfs_spin_lock(&qctxt->lqc_lock);
+ if (!qctxt->lqc_import && oti != NULL) {
+ cfs_spin_unlock(&qctxt->lqc_lock);
+
+ LASSERT(thr != NULL);
+ /* The recovery thread doesn't have watchdog
+ * attached. LU-369 */
+ if (thr->t_watchdog != NULL)
+ lc_watchdog_disable(thr->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");
+ if (thr->t_watchdog != NULL) {
+ lc_watchdog_touch(thr->t_watchdog,
+ ptlrpc_server_get_timeout(thr->t_svcpt));
+ }
} else {
cfs_spin_unlock(&qctxt->lqc_lock);
}
cfs_waitq_t waitq;
struct l_wait_info lwi;
- if (oti && oti->oti_thread && oti->oti_thread->t_watchdog)
- lc_watchdog_touch(oti->oti_thread->t_watchdog,
- CFS_GET_TIMEOUT(oti->oti_thread->t_svc));
+ if (thr != NULL && thr->t_watchdog != NULL)
+ lc_watchdog_touch(thr->t_watchdog,
+ ptlrpc_server_get_timeout(thr->t_svcpt));
CDEBUG(D_QUOTA, "rc: %d, count_err: %d\n", rc,
count_err++);
mds->mds_quota_info.qi_version = LUSTRE_QUOTA_V2;
cfs_sema_init(&obt->obt_quotachecking, 1);
/* initialize quota master and quota context */
- cfs_sema_init(&mds->mds_qonoff_sem, 1);
+ cfs_init_rwsem(&mds->mds_qonoff_sem);
rc = qctxt_init(obd, dqacq_handler);
if (rc) {
CERROR("%s: initialize quota context failed! (rc:%d)\n",
memset(&oqctl, 0, sizeof(oqctl));
oqctl.qc_type = UGQUOTA;
- cfs_down(&mds->mds_qonoff_sem);
+ cfs_down_write(&mds->mds_qonoff_sem);
mds_admin_quota_off(obd, &oqctl);
- cfs_up(&mds->mds_qonoff_sem);
+ cfs_up_write(&mds->mds_qonoff_sem);
RETURN(0);
}
RETURN(rc);
}
-#endif /* HAVE_QUOTA_SUPPORT */
-#endif /* __KERNEL__ */
-
-struct osc_quota_info {
- cfs_list_t oqi_hash; /* hash list */
- struct client_obd *oqi_cli; /* osc obd */
- unsigned int oqi_id; /* uid/gid of a file */
- short oqi_type; /* quota type */
-};
-
-cfs_spinlock_t qinfo_list_lock = CFS_SPIN_LOCK_UNLOCKED;
-
-static cfs_list_t qinfo_hash[NR_DQHASH];
-/* SLAB cache for client quota context */
-cfs_mem_cache_t *qinfo_cachep = NULL;
-
-static inline int hashfn(struct client_obd *cli, unsigned long id, int type)
- __attribute__((__const__));
-
-static inline int hashfn(struct client_obd *cli, unsigned long id, int type)
-{
- unsigned long tmp = ((unsigned long)cli>>6) ^ id;
- tmp = (tmp * (MAXQUOTAS - type)) % NR_DQHASH;
- return tmp;
-}
-
-/* caller must hold qinfo_list_lock */
-static inline void insert_qinfo_hash(struct osc_quota_info *oqi)
-{
- cfs_list_t *head = qinfo_hash +
- hashfn(oqi->oqi_cli, oqi->oqi_id, oqi->oqi_type);
-
- LASSERT_SPIN_LOCKED(&qinfo_list_lock);
- cfs_list_add(&oqi->oqi_hash, head);
-}
-
-/* caller must hold qinfo_list_lock */
-static inline void remove_qinfo_hash(struct osc_quota_info *oqi)
-{
- LASSERT_SPIN_LOCKED(&qinfo_list_lock);
- cfs_list_del_init(&oqi->oqi_hash);
-}
-
-/* caller must hold qinfo_list_lock */
-static inline struct osc_quota_info *find_qinfo(struct client_obd *cli,
- unsigned int id, int type)
-{
- unsigned int hashent = hashfn(cli, id, type);
- struct osc_quota_info *oqi;
- ENTRY;
-
- LASSERT_SPIN_LOCKED(&qinfo_list_lock);
- cfs_list_for_each_entry(oqi, &qinfo_hash[hashent], oqi_hash) {
- if (oqi->oqi_cli == cli &&
- oqi->oqi_id == id && oqi->oqi_type == type)
- return oqi;
- }
- RETURN(NULL);
-}
-
-static struct osc_quota_info *alloc_qinfo(struct client_obd *cli,
- unsigned int id, int type)
-{
- struct osc_quota_info *oqi;
- ENTRY;
-
- OBD_SLAB_ALLOC(oqi, qinfo_cachep, CFS_ALLOC_STD, sizeof(*oqi));
- if(!oqi)
- RETURN(NULL);
-
- CFS_INIT_LIST_HEAD(&oqi->oqi_hash);
- oqi->oqi_cli = cli;
- oqi->oqi_id = id;
- oqi->oqi_type = type;
-
- RETURN(oqi);
-}
-
-static void free_qinfo(struct osc_quota_info *oqi)
-{
- OBD_SLAB_FREE(oqi, qinfo_cachep, sizeof(*oqi));
-}
-
-int osc_quota_chkdq(struct client_obd *cli, const unsigned int qid[])
-{
- unsigned int id;
- int cnt, rc = QUOTA_OK;
- ENTRY;
-
- cfs_spin_lock(&qinfo_list_lock);
- for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
- struct osc_quota_info *oqi = NULL;
-
- id = (cnt == USRQUOTA) ? qid[USRQUOTA] : qid[GRPQUOTA];
- oqi = find_qinfo(cli, id, cnt);
- if (oqi) {
- rc = NO_QUOTA;
- break;
- }
- }
- cfs_spin_unlock(&qinfo_list_lock);
-
- if (rc == NO_QUOTA)
- CDEBUG(D_QUOTA, "chkdq found noquota for %s %d\n",
- cnt == USRQUOTA ? "user" : "group", id);
- RETURN(rc);
-}
-
-int osc_quota_setdq(struct client_obd *cli, const unsigned int qid[],
- obd_flag valid, obd_flag flags)
-{
- unsigned int id;
- obd_flag noquota;
- int cnt, rc = 0;
- ENTRY;
-
-
- for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
- struct osc_quota_info *oqi, *old;
-
- if (!(valid & ((cnt == USRQUOTA) ?
- OBD_MD_FLUSRQUOTA : OBD_MD_FLGRPQUOTA)))
- continue;
-
- id = (cnt == USRQUOTA) ? qid[USRQUOTA] : qid[GRPQUOTA];
- noquota = (cnt == USRQUOTA) ?
- (flags & OBD_FL_NO_USRQUOTA) : (flags & OBD_FL_NO_GRPQUOTA);
-
- oqi = alloc_qinfo(cli, id, cnt);
- if (!oqi) {
- rc = -ENOMEM;
- CDEBUG(D_QUOTA, "setdq for %s %d failed, (rc = %d)\n",
- cnt == USRQUOTA ? "user" : "group", id, rc);
- break;
- }
-
- cfs_spin_lock(&qinfo_list_lock);
- old = find_qinfo(cli, id, cnt);
- if (old && !noquota)
- remove_qinfo_hash(old);
- else if (!old && noquota)
- insert_qinfo_hash(oqi);
- cfs_spin_unlock(&qinfo_list_lock);
-
- if (old || !noquota)
- free_qinfo(oqi);
- if (old && !noquota)
- free_qinfo(old);
-
- if (old && !noquota)
- CDEBUG(D_QUOTA, "setdq to remove for %s %d\n",
- cnt == USRQUOTA ? "user" : "group", id);
- else if (!old && noquota)
- CDEBUG(D_QUOTA, "setdq to insert for %s %d\n",
- cnt == USRQUOTA ? "user" : "group", id);
- }
-
- RETURN(rc);
-}
-
-int osc_quota_cleanup(struct obd_device *obd)
-{
- struct client_obd *cli = &obd->u.cli;
- struct osc_quota_info *oqi, *n;
- int i;
- ENTRY;
-
- cfs_spin_lock(&qinfo_list_lock);
- for (i = 0; i < NR_DQHASH; i++) {
- cfs_list_for_each_entry_safe(oqi, n, &qinfo_hash[i], oqi_hash) {
- if (oqi->oqi_cli != cli)
- continue;
- remove_qinfo_hash(oqi);
- free_qinfo(oqi);
- }
- }
- cfs_spin_unlock(&qinfo_list_lock);
-
- RETURN(0);
-}
-
-int osc_quota_init(void)
-{
- int i;
- ENTRY;
-
- LASSERT(qinfo_cachep == NULL);
- qinfo_cachep = cfs_mem_cache_create("osc_quota_info",
- sizeof(struct osc_quota_info),
- 0, 0);
- if (!qinfo_cachep)
- RETURN(-ENOMEM);
-
- for (i = 0; i < NR_DQHASH; i++)
- CFS_INIT_LIST_HEAD(qinfo_hash + i);
-
- RETURN(0);
-}
-
-int osc_quota_exit(void)
-{
- struct osc_quota_info *oqi, *n;
- int i, rc;
- ENTRY;
-
- cfs_spin_lock(&qinfo_list_lock);
- for (i = 0; i < NR_DQHASH; i++) {
- cfs_list_for_each_entry_safe(oqi, n, &qinfo_hash[i], oqi_hash) {
- remove_qinfo_hash(oqi);
- free_qinfo(oqi);
- }
- }
- cfs_spin_unlock(&qinfo_list_lock);
-
- rc = cfs_mem_cache_destroy(qinfo_cachep);
- LASSERTF(rc == 0, "couldn't destory qinfo_cachep slab\n");
- qinfo_cachep = NULL;
-
- RETURN(0);
-}
-
-#ifdef __KERNEL__
-#ifdef HAVE_QUOTA_SUPPORT
quota_interface_t mds_quota_interface = {
.quota_init = mds_quota_init,
.quota_exit = mds_quota_exit,
.quota_adjust_qunit = filter_quota_adjust_qunit,
.quota_pending_commit = quota_pending_commit,
};
-#endif
-#endif /* __KERNEL__ */
-
-quota_interface_t mdc_quota_interface = {
- .quota_ctl = client_quota_ctl,
- .quota_check = client_quota_check,
- .quota_poll_check = client_quota_poll_check,
-};
-
-quota_interface_t lmv_quota_interface = {
- .quota_ctl = lmv_quota_ctl,
- .quota_check = lmv_quota_check,
-};
-
-quota_interface_t osc_quota_interface = {
- .quota_ctl = client_quota_ctl,
- .quota_check = client_quota_check,
- .quota_poll_check = client_quota_poll_check,
- .quota_init = osc_quota_init,
- .quota_exit = osc_quota_exit,
- .quota_chkdq = osc_quota_chkdq,
- .quota_setdq = osc_quota_setdq,
- .quota_cleanup = osc_quota_cleanup,
- .quota_adjust_qunit = client_quota_adjust_qunit,
-};
-
-quota_interface_t lov_quota_interface = {
- .quota_ctl = lov_quota_ctl,
- .quota_check = lov_quota_check,
- .quota_adjust_qunit = lov_quota_adjust_qunit,
-};
-
-#ifdef __KERNEL__
cfs_proc_dir_entry_t *lquota_type_proc_dir = NULL;
-static int __init init_lustre_quota(void)
+int init_lustre_quota(void)
{
-#ifdef HAVE_QUOTA_SUPPORT
int rc = 0;
lquota_type_proc_dir = lprocfs_register(OBD_LQUOTA_DEVICENAME,
PORTAL_SYMBOL_REGISTER(filter_quota_interface);
PORTAL_SYMBOL_REGISTER(mds_quota_interface);
-#endif
- PORTAL_SYMBOL_REGISTER(mdc_quota_interface);
- PORTAL_SYMBOL_REGISTER(lmv_quota_interface);
- PORTAL_SYMBOL_REGISTER(osc_quota_interface);
- PORTAL_SYMBOL_REGISTER(lov_quota_interface);
+
return 0;
}
-static void /*__exit*/ exit_lustre_quota(void)
+void exit_lustre_quota(void)
{
- PORTAL_SYMBOL_UNREGISTER(mdc_quota_interface);
- PORTAL_SYMBOL_UNREGISTER(lmv_quota_interface);
- PORTAL_SYMBOL_UNREGISTER(osc_quota_interface);
- PORTAL_SYMBOL_UNREGISTER(lov_quota_interface);
-#ifdef HAVE_QUOTA_SUPPORT
PORTAL_SYMBOL_UNREGISTER(filter_quota_interface);
PORTAL_SYMBOL_UNREGISTER(mds_quota_interface);
if (lquota_type_proc_dir)
lprocfs_remove(&lquota_type_proc_dir);
-#endif
}
-MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
-MODULE_DESCRIPTION("Lustre Quota");
-MODULE_LICENSE("GPL");
-
-cfs_module(lquota, "1.0.0", init_lustre_quota, exit_lustre_quota);
-
-#ifdef HAVE_QUOTA_SUPPORT
EXPORT_SYMBOL(mds_quota_interface);
EXPORT_SYMBOL(filter_quota_interface);
-#endif
-EXPORT_SYMBOL(mdc_quota_interface);
-EXPORT_SYMBOL(lmv_quota_interface);
-EXPORT_SYMBOL(osc_quota_interface);
-EXPORT_SYMBOL(lov_quota_interface);
#endif /* __KERNEL */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff