/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * lustre/quota/quota_interface.c
+ * GPL HEADER START
*
- * Copyright (c) 2001-2005 Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * No redistribution or use is permitted outside of Cluster File Systems, Inc.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * 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_MDS
+#define DEBUG_SUBSYSTEM S_LQUOTA
#ifdef __KERNEL__
# include <linux/version.h>
# include <linux/module.h>
# include <linux/init.h>
# include <linux/fs.h>
-# include <linux/jbd.h>
-# include <linux/ext3_fs.h>
-# include <linux/parser.h>
-# if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
# include <linux/smp_lock.h>
# include <linux/buffer_head.h>
# include <linux/workqueue.h>
# include <linux/mount.h>
-# else
-# include <linux/locks.h>
-# endif
#else /* __KERNEL__ */
# include <liblustre.h>
#endif
#include <obd_ost.h>
#include <lustre_fsfilt.h>
#include <lustre_quota.h>
+#include <lprocfs_status.h>
#include "quota_internal.h"
-
#ifdef __KERNEL__
-extern unsigned long default_bunit_sz;
-extern unsigned long default_btune_ratio;
-extern unsigned long default_iunit_sz;
-extern unsigned long default_itune_ratio;
-
-enum {
- Opt_quotaon, Opt_iunit_sz, Opt_bunit_sz,
- Opt_itune_ratio, Opt_btune_ratio, Opt_err,
-};
-
-static match_table_t tokens = {
- {Opt_quotaon, "quotaon=%10s"},
- {Opt_iunit_sz, "iunit=%u"},
- {Opt_bunit_sz, "bunit=%u"},
- {Opt_itune_ratio, "itune=%u"},
- {Opt_btune_ratio, "btune=%u"},
- {Opt_err, NULL}
-};
-
-static int
-quota_parse_config_args(char *options, int *quotaon, int *type,
- struct lustre_quota_ctxt *qctxt)
-{
- char *opt;
- substring_t args[MAX_OPT_ARGS];
- int option;
- int rc = 0;
- unsigned long iunit = 0, bunit = 0, itune = 0, btune = 0;
- ENTRY;
-
- while ((opt = strsep (&options, ",")) != NULL) {
- int token;
- if (!*opt)
- continue;
- token = match_token(opt, tokens, args);
- switch(token) {
- case Opt_quotaon: {
- char *quota_type = match_strdup(&args[0]);
- if (!quota_type)
- GOTO(out, rc = -EINVAL);
-
- *quotaon = 1;
- if (strchr(quota_type, 'u') && strchr(quota_type, 'g'))
- *type = UGQUOTA;
- else if (strchr(quota_type, 'u'))
- *type = USRQUOTA;
- else if (strchr(quota_type, 'g'))
- *type = GRPQUOTA;
- else {
- *quotaon = 0;
- rc = -EINVAL;
- }
- break;
- }
- case Opt_iunit_sz:
- if (match_int(&args[0], &option))
- rc = -EINVAL;
- iunit = option;
- break;
- case Opt_bunit_sz:
- if (match_int(&args[0], &option))
- rc = -EINVAL;
- bunit = option;
- break;
- case Opt_itune_ratio:
- if (match_int(&args[0], &option) ||
- option <= 0 || option >= 100)
- rc = -EINVAL;
- itune = option;
- break;
- case Opt_btune_ratio:
- if (match_int(&args[0], &option) ||
- option <= 0 || option >= 100)
- rc = -EINVAL;
- btune = option;
- break;
- default:
- rc = -EINVAL;
- }
+#ifdef HAVE_QUOTA_SUPPORT
- if (rc)
- GOTO(out, rc);
- }
-
- /* adjust the tunables of qunits based on quota config args */
- if (iunit)
- qctxt->lqc_iunit_sz = iunit;
- if (itune)
- qctxt->lqc_itune_sz = qctxt->lqc_iunit_sz *
- itune / 100;
- else
- qctxt->lqc_itune_sz = qctxt->lqc_iunit_sz *
- default_itune_ratio / 100;
- if (bunit)
- qctxt->lqc_bunit_sz = bunit << 20;
- if (btune)
- qctxt->lqc_btune_sz = ((qctxt->lqc_bunit_sz >> 20) *
- btune / 100) << 20;
- else
- qctxt->lqc_btune_sz = ((qctxt->lqc_bunit_sz >> 20) *
- default_btune_ratio / 100) << 20;
-
- CDEBUG(D_INFO, "iunit=%lu bunit=%lu itune=%lu btune=%lu\n",
- qctxt->lqc_iunit_sz, qctxt->lqc_bunit_sz,
- qctxt->lqc_itune_sz, qctxt->lqc_btune_sz);
- EXIT;
-
- out:
- if (rc)
- CERROR("quota config args parse error!(rc = %d) usage: "
- "--quota quotaon=u|g|ug,iunit=100,bunit=100,itune=50,btune=50\n",
- rc);
-
- return rc;
-}
-
-static int auto_quota_on(struct obd_device *obd, int type,
- struct super_block *sb, int is_master)
-{
- struct obd_quotactl *oqctl;
- struct lvfs_run_ctxt saved;
- int rc;
- ENTRY;
-
- LASSERT(type == USRQUOTA || type == GRPQUOTA || type == UGQUOTA);
-
- OBD_ALLOC_PTR(oqctl);
- if (!oqctl)
- RETURN(-ENOMEM);
-
- oqctl->qc_type = type;
- oqctl->qc_cmd = Q_QUOTAON;
- oqctl->qc_id = QFMT_LDISKFS;
-
- push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
-
- if (!is_master)
- goto local_quota;
-
- /* turn on cluster wide quota */
- rc = mds_admin_quota_on(obd, oqctl);
- if (rc) {
- CERROR("auto enable admin quota error! err = %d\n", rc);
- GOTO(out_pop, rc);
- }
-local_quota:
- /* turn on local quota */
- rc = fsfilt_quotactl(obd, sb, oqctl);
- CDEBUG_EX(rc ? D_ERROR : D_INFO, "auto-enable quota. rc=%d\n", rc);
- if (rc && is_master)
- mds_quota_off(obd, oqctl);
-out_pop:
- pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
-
- OBD_FREE_PTR(oqctl);
- RETURN(rc);
-}
-
-static int mds_auto_quota_on(struct obd_device *obd, int type)
-{
- int rc;
- ENTRY;
- rc = auto_quota_on(obd, type, obd->u.obt.obt_sb, 1);
- RETURN(rc);
-}
-
-static int filter_auto_quota_on(struct obd_device *obd, int type)
-{
- int rc = 0;
- ENTRY;
- rc = auto_quota_on(obd, type, obd->u.obt.obt_sb, 0);
- RETURN(rc);
-}
+static cfs_time_t last_print = 0;
+static spinlock_t last_print_lock = SPIN_LOCK_UNLOCKED;
-static int filter_quota_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
+static int filter_quota_setup(struct obd_device *obd)
{
int rc = 0;
struct obd_device_target *obt = &obd->u.obt;
ENTRY;
+#ifdef HAVE_QUOTA64
+ obt->obt_qfmt = LUSTRE_QUOTA_V2;
+#else
+ obt->obt_qfmt = LUSTRE_QUOTA_V1;
+#endif
atomic_set(&obt->obt_quotachecking, 1);
- rc = qctxt_init(&obt->obt_qctxt, obt->obt_sb, NULL);
- if (rc) {
+ rc = qctxt_init(obd, NULL);
+ if (rc)
CERROR("initialize quota context failed! (rc:%d)\n", rc);
- RETURN(rc);
- }
-
- /* Based on quota config args, set qunit sizes and enable quota */
- if (LUSTRE_CFG_BUFLEN(lcfg, 5) > 0 && lustre_cfg_buf(lcfg, 5)) {
- char *args = lustre_cfg_string(lcfg, 5);
- int quotaon = 0, type;
- int err = 0;
-
- err = quota_parse_config_args(args, "aon, &type,
- &obd->u.obt.obt_qctxt);
- if (!err && quotaon)
- filter_auto_quota_on(obd, type);
- }
RETURN(rc);
}
static int filter_quota_setinfo(struct obd_export *exp, struct obd_device *obd)
{
+ struct obd_import *imp;
+ struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
+ ENTRY;
+
/* setup the quota context import */
+ spin_lock(&obd->u.obt.obt_qctxt.lqc_lock);
obd->u.obt.obt_qctxt.lqc_import = exp->exp_imp_reverse;
+ spin_unlock(&obd->u.obt.obt_qctxt.lqc_lock);
+ CDEBUG(D_QUOTA, "%s: lqc_import(%p) of obd(%p) is reactivated now, \n",
+ obd->obd_name,exp->exp_imp_reverse, obd);
+
+ /* make imp's connect flags equal relative exp's connect flags
+ * adding it to avoid the scan export list
+ */
+ imp = exp->exp_imp_reverse;
+ if (imp)
+ imp->imp_connect_data.ocd_connect_flags |=
+ (exp->exp_connect_flags &
+ (OBD_CONNECT_QUOTA64 | OBD_CONNECT_CHANGE_QS));
+
+ cfs_waitq_signal(&qctxt->lqc_wait_for_qmaster);
/* start quota slave recovery thread. (release high limits) */
qslave_start_recovery(obd, &obd->u.obt.obt_qctxt);
- return 0;
+ RETURN(0);
}
+
+static int filter_quota_clearinfo(struct obd_export *exp, struct obd_device *obd)
+{
+ struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
+ ENTRY;
+
+ /* lquota may be not set up before destroying export, b=14896 */
+ if (!obd->obd_set_up)
+ RETURN(0);
+
+ /* when exp->exp_imp_reverse is destroyed, the corresponding lqc_import
+ * should be invalid b=12374 */
+ if (qctxt->lqc_import && qctxt->lqc_import == exp->exp_imp_reverse) {
+ spin_lock(&qctxt->lqc_lock);
+ qctxt->lqc_import = NULL;
+ spin_unlock(&qctxt->lqc_lock);
+ ptlrpc_cleanup_imp(exp->exp_imp_reverse);
+ dqacq_interrupt(qctxt);
+ CDEBUG(D_QUOTA, "%s: lqc_import of obd(%p) is invalid now.\n",
+ obd->obd_name, obd);
+ }
+ RETURN(0);
+}
+
static int filter_quota_enforce(struct obd_device *obd, unsigned int ignore)
{
ENTRY;
- if (!sb_any_quota_enabled(obd->u.obt.obt_sb))
+ if (!ll_sb_any_quota_active(obd->u.obt.obt_sb))
RETURN(0);
- if (ignore)
- cap_raise(current->cap_effective, CAP_SYS_RESOURCE);
- else
- cap_lower(current->cap_effective, CAP_SYS_RESOURCE);
+ if (ignore) {
+ CDEBUG(D_QUOTA, "blocks will be written with ignoring quota.\n");
+ cfs_cap_raise(CFS_CAP_SYS_RESOURCE);
+ } else {
+ cfs_cap_lower(CFS_CAP_SYS_RESOURCE);
+ }
RETURN(0);
}
+#define GET_OA_ID(flag, oa) (flag == USRQUOTA ? oa->o_uid : oa->o_gid)
static int filter_quota_getflag(struct obd_device *obd, struct obdo *oa)
{
struct obd_device_target *obt = &obd->u.obt;
+ struct lustre_quota_ctxt *qctxt = &obt->obt_qctxt;
int err, cnt, rc = 0;
struct obd_quotactl *oqctl;
ENTRY;
- if (!sb_any_quota_enabled(obt->obt_sb))
+ if (!ll_sb_any_quota_active(obt->obt_sb))
RETURN(0);
- oa->o_flags &= ~(OBD_FL_NO_USRQUOTA | OBD_FL_NO_GRPQUOTA);
-
OBD_ALLOC_PTR(oqctl);
if (!oqctl) {
CERROR("Not enough memory!");
RETURN(-ENOMEM);
}
+ /* set over quota flags for a uid/gid */
+ oa->o_valid |= OBD_MD_FLUSRQUOTA | OBD_MD_FLGRPQUOTA;
+ oa->o_flags &= ~(OBD_FL_NO_USRQUOTA | OBD_FL_NO_GRPQUOTA);
+
for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
+ struct lustre_qunit_size *lqs = NULL;
+
+ lqs = quota_search_lqs(LQS_KEY(cnt, GET_OA_ID(cnt, oa)),
+ qctxt, 0);
+ if (lqs == NULL || IS_ERR(lqs)) {
+ rc = PTR_ERR(lqs);
+ break;
+ } else {
+ spin_lock(&lqs->lqs_lock);
+ if (lqs->lqs_bunit_sz <= qctxt->lqc_sync_blk) {
+ oa->o_flags |= (cnt == USRQUOTA) ?
+ OBD_FL_NO_USRQUOTA : OBD_FL_NO_GRPQUOTA;
+ CDEBUG(D_QUOTA, "set sync flag: bunit(%lu), "
+ "sync_blk(%d)\n", lqs->lqs_bunit_sz,
+ qctxt->lqc_sync_blk);
+ spin_unlock(&lqs->lqs_lock);
+ /* this is for quota_search_lqs */
+ lqs_putref(lqs);
+ continue;
+ }
+ spin_unlock(&lqs->lqs_lock);
+ /* this is for quota_search_lqs */
+ lqs_putref(lqs);
+ }
+
memset(oqctl, 0, sizeof(*oqctl));
oqctl->qc_cmd = Q_GETQUOTA;
if (err) {
if (!rc)
rc = err;
+ oa->o_valid &= ~((cnt == USRQUOTA) ? OBD_MD_FLUSRQUOTA :
+ OBD_MD_FLGRPQUOTA);
continue;
}
- /* set over quota flags for a uid/gid */
- oa->o_valid |= (cnt == USRQUOTA) ?
- OBD_MD_FLUSRQUOTA : OBD_MD_FLGRPQUOTA;
if (oqctl->qc_dqblk.dqb_bhardlimit &&
- (toqb(oqctl->qc_dqblk.dqb_curspace) >
+ (toqb(oqctl->qc_dqblk.dqb_curspace) >=
oqctl->qc_dqblk.dqb_bhardlimit))
oa->o_flags |= (cnt == USRQUOTA) ?
OBD_FL_NO_USRQUOTA : OBD_FL_NO_GRPQUOTA;
}
static int filter_quota_acquire(struct obd_device *obd, unsigned int uid,
- unsigned int gid)
+ unsigned int gid, struct obd_trans_info *oti)
{
struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
int rc;
ENTRY;
- rc = qctxt_adjust_qunit(obd, qctxt, uid, gid, 1, 1);
- RETURN(rc == -EAGAIN);
+ rc = qctxt_adjust_qunit(obd, qctxt, uid, gid, LQUOTA_FLAGS_BLK, 1, oti);
+ RETURN(rc);
+}
+
+/* check whether the left quota of certain uid and gid can satisfy a block_write
+ * or inode_create rpc. When need to acquire quota, return QUOTA_RET_ACQUOTA */
+static int quota_check_common(struct obd_device *obd, unsigned int uid,
+ unsigned int gid, int count, int cycle, int isblk,
+ struct inode *inode, int frags, int pending[2])
+{
+ struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
+ int i;
+ __u32 id[MAXQUOTAS] = { uid, gid };
+ struct qunit_data qdata[MAXQUOTAS];
+ int mb = 0;
+ int rc = 0, rc2[2] = { 0, 0 };
+ ENTRY;
+
+ spin_lock(&qctxt->lqc_lock);
+ if (!qctxt->lqc_valid){
+ spin_unlock(&qctxt->lqc_lock);
+ RETURN(rc);
+ }
+ spin_unlock(&qctxt->lqc_lock);
+
+ for (i = 0; i < MAXQUOTAS; i++) {
+ struct lustre_qunit_size *lqs = NULL;
+
+ qdata[i].qd_id = id[i];
+ qdata[i].qd_flags = i;
+ if (isblk)
+ QDATA_SET_BLK(&qdata[i]);
+ qdata[i].qd_count = 0;
+
+ /* ignore root user */
+ if (qdata[i].qd_id == 0 && !QDATA_IS_GRP(&qdata[i]))
+ continue;
+
+ lqs = quota_search_lqs(LQS_KEY(i, id[i]), qctxt, 0);
+ if (lqs == NULL || IS_ERR(lqs))
+ continue;
+
+ rc2[i] = compute_remquota(obd, qctxt, &qdata[i], isblk);
+ spin_lock(&lqs->lqs_lock);
+ if (!cycle) {
+ if (isblk) {
+ pending[i] = count * CFS_PAGE_SIZE;
+ /* in order to complete this write, we need extra
+ * meta blocks. This function can get it through
+ * data needed to be written b=16542 */
+ mb = pending[i];
+ LASSERT(inode && frags > 0);
+ if (fsfilt_get_mblk(obd, qctxt->lqc_sb, &mb,
+ inode, frags) < 0)
+ CDEBUG(D_ERROR,
+ "can't get extra meta blocks.\n");
+ else
+ pending[i] += mb;
+ lqs->lqs_bwrite_pending += pending[i];
+ } else {
+ pending[i] = count;
+ lqs->lqs_iwrite_pending += pending[i];
+ }
+ }
+
+ /* if xx_rec < 0, that means quota are releasing,
+ * and it may return before we use quota. So if
+ * we find this situation, we assuming it has
+ * returned b=18491 */
+ if (isblk && lqs->lqs_blk_rec < 0) {
+ if (qdata[i].qd_count < -lqs->lqs_blk_rec)
+ qdata[i].qd_count = 0;
+ else
+ qdata[i].qd_count += lqs->lqs_blk_rec;
+ }
+ if (!isblk && lqs->lqs_ino_rec < 0) {
+ if (qdata[i].qd_count < -lqs->lqs_ino_rec)
+ qdata[i].qd_count = 0;
+ else
+ qdata[i].qd_count += lqs->lqs_ino_rec;
+ }
+
+ CDEBUG(D_QUOTA, "count=%d lqs_pending=%lu qd_count="LPU64
+ " isblk=%d mb=%d pending[%d]=%d\n", count,
+ isblk ? lqs->lqs_bwrite_pending : lqs->lqs_iwrite_pending,
+ qdata[i].qd_count, isblk, mb, i, pending[i]);
+ if (rc2[i] == QUOTA_RET_OK) {
+ if (isblk && qdata[i].qd_count < lqs->lqs_bwrite_pending)
+ rc2[i] = QUOTA_RET_ACQUOTA;
+ if (!isblk && qdata[i].qd_count <
+ lqs->lqs_iwrite_pending)
+ rc2[i] = QUOTA_RET_ACQUOTA;
+ }
+
+ spin_unlock(&lqs->lqs_lock);
+
+ if (lqs->lqs_blk_rec < 0 &&
+ qdata[i].qd_count <
+ lqs->lqs_bwrite_pending - lqs->lqs_blk_rec - mb)
+ OBD_FAIL_TIMEOUT(OBD_FAIL_QUOTA_DELAY_REL, 5);
+
+ /* When cycle is zero, lqs_*_pending will be changed. We will
+ * get reference of the lqs here and put reference of lqs in
+ * quota_pending_commit b=14784 */
+ if (!cycle)
+ lqs_getref(lqs);
+
+ /* this is for quota_search_lqs */
+ lqs_putref(lqs);
+ }
+
+ if (rc2[0] == QUOTA_RET_ACQUOTA || rc2[1] == QUOTA_RET_ACQUOTA)
+ RETURN(QUOTA_RET_ACQUOTA);
+ else
+ RETURN(rc);
+}
+
+static int quota_chk_acq_common(struct obd_device *obd, unsigned int uid,
+ unsigned int gid, int count, int pending[2],
+ int isblk, quota_acquire acquire,
+ struct obd_trans_info *oti, struct inode *inode,
+ int frags)
+{
+ struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
+ struct timeval work_start;
+ struct timeval work_end;
+ long timediff;
+ struct l_wait_info lwi = { 0 };
+ int rc = 0, cycle = 0, count_err = 1;
+ ENTRY;
+
+ CDEBUG(D_QUOTA, "check quota for %s\n", obd->obd_name);
+ /* Unfortunately, if quota master is too busy to handle the
+ * pre-dqacq in time and quota hash on ost is used up, we
+ * have to wait for the completion of in flight dqacq/dqrel,
+ * in order to get enough quota for write b=12588 */
+ do_gettimeofday(&work_start);
+ while ((rc = quota_check_common(obd, uid, gid, count, cycle, isblk,
+ inode, frags, pending)) & QUOTA_RET_ACQUOTA) {
+
+ spin_lock(&qctxt->lqc_lock);
+ if (!qctxt->lqc_import && oti) {
+ 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,
+ GET_TIMEOUT(oti->oti_thread->t_svc));
+ } else {
+ spin_unlock(&qctxt->lqc_lock);
+ }
+
+ cycle++;
+ if (isblk)
+ OBD_FAIL_TIMEOUT(OBD_FAIL_OST_HOLD_WRITE_RPC, 90);
+ /* after acquire(), we should run quota_check_common again
+ * so that we confirm there are enough quota to finish write */
+ rc = acquire(obd, uid, gid, oti);
+
+ /* please reference to dqacq_completion for the below */
+ /* a new request is finished, try again */
+ if (rc == QUOTA_REQ_RETURNED) {
+ CDEBUG(D_QUOTA, "finish a quota req, try again\n");
+ continue;
+ }
+
+ /* it is out of quota already */
+ if (rc == -EDQUOT) {
+ CDEBUG(D_QUOTA, "out of quota, return -EDQUOT\n");
+ break;
+ }
+
+ /* -EBUSY and others, wait a second and try again */
+ if (rc < 0) {
+ 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,
+ GET_TIMEOUT(oti->oti_thread->t_svc));
+ CDEBUG(D_QUOTA, "rc: %d, count_err: %d\n", rc,
+ count_err++);
+
+ init_waitqueue_head(&waitq);
+ lwi = LWI_TIMEOUT(cfs_time_seconds(min(cycle, 10)), NULL,
+ NULL);
+ l_wait_event(waitq, 0, &lwi);
+ }
+
+ if (rc < 0 || cycle % 10 == 0) {
+ spin_lock(&last_print_lock);
+ if (last_print == 0 ||
+ cfs_time_before((last_print + cfs_time_seconds(30)),
+ cfs_time_current())) {
+ CWARN("still haven't managed to acquire quota "
+ "space from the quota master after %d "
+ "retries (err=%d, rc=%d)\n",
+ cycle, count_err - 1, rc);
+ last_print = cfs_time_current();
+ }
+ spin_unlock(&last_print_lock);
+ }
+
+ CDEBUG(D_QUOTA, "recheck quota with rc: %d, cycle: %d\n", rc,
+ cycle);
+ }
+
+ do_gettimeofday(&work_end);
+ timediff = cfs_timeval_sub(&work_end, &work_start, NULL);
+ lprocfs_counter_add(qctxt->lqc_stats,
+ isblk ? LQUOTA_WAIT_FOR_CHK_BLK :
+ LQUOTA_WAIT_FOR_CHK_INO,
+ timediff);
+
+ RETURN(rc);
+}
+
+int quota_is_set(struct obd_device *obd, unsigned int uid,
+ unsigned int gid, int flag)
+{
+ struct lustre_qunit_size *lqs;
+ __u32 id[MAXQUOTAS] = { uid, gid };
+ int i, q_set = 0;
+
+ if (!ll_sb_any_quota_active(obd->u.obt.obt_qctxt.lqc_sb))
+ RETURN(0);
+
+ for (i = 0; i < MAXQUOTAS; i++) {
+ lqs = quota_search_lqs(LQS_KEY(i, id[i]),
+ &obd->u.obt.obt_qctxt, 0);
+ if (lqs && !IS_ERR(lqs)) {
+ if (lqs->lqs_flags & flag)
+ q_set = 1;
+ lqs_putref(lqs);
+ }
+ }
+
+ return q_set;
+}
+
+static int filter_quota_check(struct obd_device *obd, unsigned int uid,
+ unsigned int gid, int npage, int pending[2],
+ quota_acquire acquire, struct obd_trans_info *oti,
+ struct inode *inode, int frags)
+{
+ return quota_is_set(obd, uid, gid, QB_SET) ?
+ quota_chk_acq_common(obd, uid, gid, npage, pending,
+ LQUOTA_FLAGS_BLK, acquire, oti, inode,
+ frags) : 0;
+}
+
+/* when a block_write or inode_create rpc is finished, adjust the record for
+ * pending blocks and inodes*/
+static int quota_pending_commit(struct obd_device *obd, unsigned int uid,
+ unsigned int gid, int pending[2], int isblk)
+{
+ struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
+ struct timeval work_start;
+ struct timeval work_end;
+ long timediff;
+ int i;
+ __u32 id[MAXQUOTAS] = { uid, gid };
+ struct qunit_data qdata[MAXQUOTAS];
+ ENTRY;
+
+ CDEBUG(D_QUOTA, "%s: commit pending quota\n", obd->obd_name);
+ CLASSERT(MAXQUOTAS < 4);
+
+ do_gettimeofday(&work_start);
+ for (i = 0; i < MAXQUOTAS; i++) {
+ struct lustre_qunit_size *lqs = NULL;
+ int flag = 0;
+
+ qdata[i].qd_id = id[i];
+ qdata[i].qd_flags = i;
+ if (isblk)
+ QDATA_SET_BLK(&qdata[i]);
+ qdata[i].qd_count = 0;
+
+ if (qdata[i].qd_id == 0 && !QDATA_IS_GRP(&qdata[i]))
+ continue;
+
+ lqs = quota_search_lqs(LQS_KEY(i, qdata[i].qd_id), qctxt, 0);
+ if (lqs == NULL || IS_ERR(lqs))
+ continue;
+
+ spin_lock(&lqs->lqs_lock);
+ if (isblk) {
+ if (lqs->lqs_bwrite_pending >= pending[i]) {
+ lqs->lqs_bwrite_pending -= pending[i];
+ flag = 1;
+ } else {
+ CERROR("%s: there are too many blocks!\n",
+ obd->obd_name);
+ }
+ } else {
+ if (lqs->lqs_iwrite_pending >= pending[i]) {
+ lqs->lqs_iwrite_pending -= pending[i];
+ flag = 1;
+ } else {
+ CERROR("%s: there are too many files!\n",
+ obd->obd_name);
+ }
+ }
+ CDEBUG(D_QUOTA, "%s: lqs_pending=%lu pending[%d]=%d isblk=%d\n",
+ obd->obd_name,
+ isblk ? lqs->lqs_bwrite_pending : lqs->lqs_iwrite_pending,
+ i, pending[i], isblk);
+
+ spin_unlock(&lqs->lqs_lock);
+ lqs_putref(lqs);
+ /* When lqs_*_pening is changed back, we'll putref lqs
+ * here b=14784 */
+ if (flag)
+ lqs_putref(lqs);
+ }
+ do_gettimeofday(&work_end);
+ timediff = cfs_timeval_sub(&work_end, &work_start, NULL);
+ lprocfs_counter_add(qctxt->lqc_stats,
+ isblk ? LQUOTA_WAIT_FOR_COMMIT_BLK :
+ LQUOTA_WAIT_FOR_COMMIT_INO,
+ timediff);
+
+ RETURN(0);
+}
+
+static int filter_quota_pending_commit(struct obd_device *obd, unsigned int uid,
+ unsigned int gid, int pending[2])
+{
+ return quota_pending_commit(obd, uid, gid, pending, LQUOTA_FLAGS_BLK);
}
static int mds_quota_init(void)
return 0;
}
-static int mds_quota_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
+static int mds_quota_setup(struct obd_device *obd)
{
struct obd_device_target *obt = &obd->u.obt;
struct mds_obd *mds = &obd->u.mds;
int rc;
ENTRY;
+#ifdef HAVE_QUOTA64
+ obt->obt_qfmt = LUSTRE_QUOTA_V2;
+#else
+ obt->obt_qfmt = LUSTRE_QUOTA_V1;
+#endif
+ mds->mds_quota_info.qi_version = LUSTRE_QUOTA_V2;
atomic_set(&obt->obt_quotachecking, 1);
/* initialize quota master and quota context */
sema_init(&mds->mds_qonoff_sem, 1);
- rc = qctxt_init(&obt->obt_qctxt, obt->obt_sb, dqacq_handler);
+ rc = qctxt_init(obd, dqacq_handler);
if (rc) {
CERROR("initialize quota context failed! (rc:%d)\n", rc);
RETURN(rc);
}
-
- /* Based on quota config args, set qunit sizes and enable quota */
- if (LUSTRE_CFG_BUFLEN(lcfg, 5) > 0 && lustre_cfg_buf(lcfg, 5)) {
- char *args = lustre_cfg_string(lcfg, 5);
- int quotaon = 0, type;
- int err;
-
- err = quota_parse_config_args(args, "aon, &type,
- &obt->obt_qctxt);
- if (!err && quotaon)
- mds_auto_quota_on(obd, type);
- }
RETURN(rc);
}
static int mds_quota_fs_cleanup(struct obd_device *obd)
{
struct mds_obd *mds = &obd->u.mds;
- int i;
+ struct obd_quotactl oqctl;
ENTRY;
- /* close admin quota files */
+ memset(&oqctl, 0, sizeof(oqctl));
+ oqctl.qc_type = UGQUOTA;
+
down(&mds->mds_qonoff_sem);
- for (i = 0; i < MAXQUOTAS; i++) {
- if (mds->mds_quota_info.qi_files[i]) {
- filp_close(mds->mds_quota_info.qi_files[i], 0);
- mds->mds_quota_info.qi_files[i] = NULL;
- }
- }
+ mds_admin_quota_off(obd, &oqctl);
up(&mds->mds_qonoff_sem);
RETURN(0);
}
+
+static int mds_quota_check(struct obd_device *obd, unsigned int uid,
+ unsigned int gid, int inodes, int pending[2],
+ quota_acquire acquire, struct obd_trans_info *oti,
+ struct inode *inode, int frags)
+{
+ return quota_is_set(obd, uid, gid, QI_SET) ?
+ quota_chk_acq_common(obd, uid, gid, inodes, pending, 0,
+ acquire, oti, inode, frags) : 0;
+}
+
+static int mds_quota_acquire(struct obd_device *obd, unsigned int uid,
+ unsigned int gid, struct obd_trans_info *oti)
+{
+ struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
+ int rc;
+ ENTRY;
+
+ rc = qctxt_adjust_qunit(obd, qctxt, uid, gid, 0, 1, oti);
+ RETURN(rc);
+}
+
+static int mds_quota_pending_commit(struct obd_device *obd, unsigned int uid,
+ unsigned int gid, int pending[2])
+{
+ return quota_pending_commit(obd, uid, gid, pending, 0);
+}
+#endif /* HAVE_QUOTA_SUPPORT */
#endif /* __KERNEL__ */
struct osc_quota_info {
/* SLAB cache for client quota context */
cfs_mem_cache_t *qinfo_cachep = NULL;
-static inline int const hashfn(struct client_obd *cli,
- unsigned long id,
- int type)
+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;
if(!oqi)
RETURN(NULL);
- INIT_LIST_HEAD(&oqi->oqi_hash);
+ CFS_INIT_LIST_HEAD(&oqi->oqi_hash);
oqi->oqi_cli = cli;
oqi->oqi_id = id;
oqi->oqi_type = type;
OBD_SLAB_FREE(oqi, qinfo_cachep, sizeof(*oqi));
}
-int osc_quota_chkdq(struct client_obd *cli,
- unsigned int uid, unsigned int gid)
+int osc_quota_chkdq(struct client_obd *cli, unsigned int uid, unsigned int gid)
{
unsigned int id;
int cnt, rc = QUOTA_OK;
RETURN(rc);
}
-int osc_quota_setdq(struct client_obd *cli,
- unsigned int uid, unsigned int gid,
+int osc_quota_setdq(struct client_obd *cli, unsigned int uid, unsigned int gid,
obd_flag valid, obd_flag flags)
{
unsigned int id;
LASSERT(qinfo_cachep == NULL);
qinfo_cachep = cfs_mem_cache_create("osc_quota_info",
- sizeof(struct osc_quota_info),
- 0, 0);
+ sizeof(struct osc_quota_info),
+ 0, 0);
if (!qinfo_cachep)
RETURN(-ENOMEM);
for (i = 0; i < NR_DQHASH; i++)
- INIT_LIST_HEAD(qinfo_hash + i);
+ CFS_INIT_LIST_HEAD(qinfo_hash + i);
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_fs_cleanup =mds_quota_fs_cleanup,
.quota_recovery = mds_quota_recovery,
.quota_adjust = mds_quota_adjust,
+ .quota_chkquota = mds_quota_check,
+ .quota_acquire = mds_quota_acquire,
+ .quota_pending_commit = mds_quota_pending_commit,
};
quota_interface_t filter_quota_interface = {
.quota_check = target_quota_check,
.quota_ctl = filter_quota_ctl,
.quota_setinfo = filter_quota_setinfo,
+ .quota_clearinfo = filter_quota_clearinfo,
.quota_enforce = filter_quota_enforce,
.quota_getflag = filter_quota_getflag,
.quota_acquire = filter_quota_acquire,
.quota_adjust = filter_quota_adjust,
+ .quota_chkquota = filter_quota_check,
+ .quota_adjust_qunit = filter_quota_adjust_qunit,
+ .quota_pending_commit = filter_quota_pending_commit,
};
+#endif
#endif /* __KERNEL__ */
quota_interface_t mdc_quota_interface = {
.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_check = lov_quota_check,
.quota_ctl = lov_quota_ctl,
+ .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 rc = qunit_cache_init();
+#ifdef HAVE_QUOTA_SUPPORT
+ int rc = 0;
+
+ lquota_type_proc_dir = lprocfs_register(OBD_LQUOTA_DEVICENAME,
+ proc_lustre_root,
+ NULL, NULL);
+ if (IS_ERR(lquota_type_proc_dir)) {
+ CERROR("LProcFS failed in lquota-init\n");
+ rc = PTR_ERR(lquota_type_proc_dir);
+ return rc;
+ }
+
+ rc = qunit_cache_init();
if (rc)
return rc;
+
PORTAL_SYMBOL_REGISTER(filter_quota_interface);
PORTAL_SYMBOL_REGISTER(mds_quota_interface);
+#endif
PORTAL_SYMBOL_REGISTER(mdc_quota_interface);
PORTAL_SYMBOL_REGISTER(osc_quota_interface);
PORTAL_SYMBOL_REGISTER(lov_quota_interface);
static void /*__exit*/ exit_lustre_quota(void)
{
- PORTAL_SYMBOL_UNREGISTER(filter_quota_interface);
- PORTAL_SYMBOL_UNREGISTER(mds_quota_interface);
PORTAL_SYMBOL_UNREGISTER(mdc_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);
qunit_cache_cleanup();
+
+ if (lquota_type_proc_dir)
+ lprocfs_remove(&lquota_type_proc_dir);
+#endif
}
-MODULE_AUTHOR("Cluster File Systems, Inc. <info@clusterfs.com>");
+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(osc_quota_interface);
EXPORT_SYMBOL(lov_quota_interface);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff