-/* -*- 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/fs.h>
# include <linux/jbd.h>
# include <linux/quota.h>
-# include <linux/smp_lock.h>
# include <linux/buffer_head.h>
# include <linux/workqueue.h>
# include <linux/mount.h>
#include <lustre_quota.h>
#include "quota_internal.h"
-#ifdef HAVE_QUOTA_SUPPORT
#ifdef __KERNEL__
+
int mds_quota_ctl(struct obd_device *obd, struct obd_export *unused,
struct obd_quotactl *oqctl)
{
int rc = 0;
ENTRY;
- do_gettimeofday(&work_start);
+ cfs_gettimeofday(&work_start);
switch (oqctl->qc_cmd) {
case Q_QUOTAON:
oqctl->qc_id = obt->obt_qfmt; /* override qfmt version */
CDEBUG(D_INFO, "mds_quotactl admin quota command %d, id %u, "
"type %d, failed: rc = %d\n",
oqctl->qc_cmd, oqctl->qc_id, oqctl->qc_type, rc);
- do_gettimeofday(&work_end);
+ cfs_gettimeofday(&work_end);
timediff = cfs_timeval_sub(&work_end, &work_start, NULL);
lprocfs_counter_add(qctxt->lqc_stats, LQUOTA_QUOTA_CTL, timediff);
struct obd_device *obd = exp->exp_obd;
struct obd_device_target *obt = &obd->u.obt;
struct lvfs_run_ctxt saved;
- struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
+ struct lustre_quota_ctxt *qctxt = &obt->obt_qctxt;
+ struct lustre_qunit_size *lqs;
+ void *handle = NULL;
struct timeval work_start;
struct timeval work_end;
long timediff;
int rc = 0;
ENTRY;
- do_gettimeofday(&work_start);
+ cfs_gettimeofday(&work_start);
switch (oqctl->qc_cmd) {
- case Q_FINVALIDATE:
case Q_QUOTAON:
+ oqctl->qc_id = obt->obt_qfmt;
+ rc = generic_quota_on(obd, oqctl, 0);
+ break;
+ case Q_FINVALIDATE:
case Q_QUOTAOFF:
- if (!atomic_dec_and_test(&obt->obt_quotachecking)) {
- CDEBUG(D_INFO, "other people are doing quotacheck\n");
- atomic_inc(&obt->obt_quotachecking);
- rc = -EBUSY;
- break;
- }
+ cfs_down(&obt->obt_quotachecking);
if (oqctl->qc_cmd == Q_FINVALIDATE &&
(obt->obt_qctxt.lqc_flags & UGQUOTA2LQC(oqctl->qc_type))) {
- atomic_inc(&obt->obt_quotachecking);
+ CWARN("quota[%u] is on yet\n", oqctl->qc_type);
+ cfs_up(&obt->obt_quotachecking);
rc = -EBUSY;
break;
}
case Q_GETQUOTA:
/* In recovery scenario, this pending dqacq/dqrel might have
* been processed by master successfully before it's dquot
- * on master enter recovery mode. We must wait for this
+ * on master enter recovery mode. We must wait for this
* dqacq/dqrel done then return the correct limits to master */
if (oqctl->qc_stat == QUOTA_RECOVERING)
- qctxt_wait_pending_dqacq(&obd->u.obt.obt_qctxt,
- oqctl->qc_id, oqctl->qc_type,
- 1);
+ handle = quota_barrier(&obd->u.obt.obt_qctxt, oqctl, 1);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
rc = fsfilt_quotactl(obd, obt->obt_sb, oqctl);
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- if (oqctl->qc_cmd == Q_QUOTAON || oqctl->qc_cmd == Q_QUOTAOFF ||
+ if (oqctl->qc_stat == QUOTA_RECOVERING)
+ quota_unbarrier(handle);
+
+ if (oqctl->qc_cmd == Q_QUOTAOFF ||
oqctl->qc_cmd == Q_FINVALIDATE) {
- if (!rc && oqctl->qc_cmd == Q_QUOTAON)
- obt->obt_qctxt.lqc_flags |= UGQUOTA2LQC(oqctl->qc_type);
- if (!rc && oqctl->qc_cmd == Q_QUOTAOFF)
- obt->obt_qctxt.lqc_flags &= ~UGQUOTA2LQC(oqctl->qc_type);
- atomic_inc(&obt->obt_quotachecking);
+ if (oqctl->qc_cmd == Q_QUOTAOFF) {
+ if (!rc)
+ obt->obt_qctxt.lqc_flags &=
+ ~UGQUOTA2LQC(oqctl->qc_type);
+ else if (quota_is_off(qctxt, oqctl))
+ rc = -EALREADY;
+ CDEBUG(D_QUOTA, "%s: quotaoff type:flags:rc "
+ "%u:%lu:%d\n", obd->obd_name,
+ oqctl->qc_type, qctxt->lqc_flags, rc);
+ }
+ cfs_up(&obt->obt_quotachecking);
}
+
break;
case Q_SETQUOTA:
/* currently, it is only used for nullifying the quota */
- qctxt_wait_pending_dqacq(&obd->u.obt.obt_qctxt,
- oqctl->qc_id, oqctl->qc_type, 1);
+ handle = quota_barrier(&obd->u.obt.obt_qctxt, oqctl, 1);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, oqctl);
oqctl->qc_cmd = Q_SETQUOTA;
}
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
+ quota_unbarrier(handle);
+
+ lqs = quota_search_lqs(LQS_KEY(oqctl->qc_type, oqctl->qc_id),
+ qctxt, 0);
+ if (lqs == NULL || IS_ERR(lqs)){
+ CERROR("fail to create lqs during setquota operation "
+ "for %sid %u\n", oqctl->qc_type ? "g" : "u",
+ oqctl->qc_id);
+ } else {
+ lqs->lqs_flags &= ~QB_SET;
+ lqs_putref(lqs);
+ }
+
break;
case Q_INITQUOTA:
{
- unsigned int uid = 0, gid = 0;
+ unsigned int id[MAXQUOTAS] = { 0, 0 };
/* Initialize quota limit to MIN_QLIMIT */
LASSERT(oqctl->qc_dqblk.dqb_valid == QIF_BLIMITS);
LASSERT(oqctl->qc_dqblk.dqb_bsoftlimit == 0);
- /* There might be a pending dqacq/dqrel (which is going to
- * clear stale limits on slave). we should wait for it's
- * completion then initialize limits */
- qctxt_wait_pending_dqacq(&obd->u.obt.obt_qctxt,
- oqctl->qc_id, oqctl->qc_type, 1);
-
if (!oqctl->qc_dqblk.dqb_bhardlimit)
goto adjust;
+ /* There might be a pending dqacq/dqrel (which is going to
+ * clear stale limits on slave). we should wait for it's
+ * completion then initialize limits */
+ handle = quota_barrier(&obd->u.obt.obt_qctxt, oqctl, 1);
LASSERT(oqctl->qc_dqblk.dqb_bhardlimit == MIN_QLIMIT);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, oqctl);
oqctl->qc_cmd = Q_INITQUOTA;
}
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
+ quota_unbarrier(handle);
if (rc)
RETURN(rc);
adjust:
+ lqs = quota_search_lqs(LQS_KEY(oqctl->qc_type, oqctl->qc_id),
+ qctxt, 1);
+ if (lqs == NULL || IS_ERR(lqs)){
+ CERROR("fail to create lqs during setquota operation "
+ "for %sid %u\n", oqctl->qc_type ? "g" : "u",
+ oqctl->qc_id);
+ break;
+ } else {
+ lqs->lqs_flags |= QB_SET;
+ lqs_putref(lqs);
+ }
+
/* Trigger qunit pre-acquire */
if (oqctl->qc_type == USRQUOTA)
- uid = oqctl->qc_id;
+ id[USRQUOTA] = oqctl->qc_id;
else
- gid = oqctl->qc_id;
+ id[GRPQUOTA] = oqctl->qc_id;
rc = qctxt_adjust_qunit(obd, &obd->u.obt.obt_qctxt,
- uid, gid, 1, 0, NULL);
+ id, 1, 0, NULL);
if (rc == -EDQUOT || rc == -EBUSY) {
CDEBUG(D_QUOTA, "rc: %d.\n", rc);
rc = 0;
obd->obd_name, oqctl->qc_cmd);
RETURN(-EFAULT);
}
- do_gettimeofday(&work_end);
+ cfs_gettimeofday(&work_end);
timediff = cfs_timeval_sub(&work_end, &work_start, NULL);
lprocfs_counter_add(qctxt->lqc_stats, LQUOTA_QUOTA_CTL, timediff);
RETURN(rc);
}
#endif /* __KERNEL__ */
-#endif
-
-int client_quota_ctl(struct obd_device *unused, struct obd_export *exp,
- struct obd_quotactl *oqctl)
-{
- struct ptlrpc_request *req;
- struct obd_quotactl *oqc;
- const struct req_format *rf;
- int ver, opc, rc;
- ENTRY;
-
- if (!strcmp(exp->exp_obd->obd_type->typ_name, LUSTRE_MDC_NAME)) {
- rf = &RQF_MDS_QUOTACTL;
- ver = LUSTRE_MDS_VERSION,
- opc = MDS_QUOTACTL;
- } else if (!strcmp(exp->exp_obd->obd_type->typ_name, LUSTRE_OSC_NAME)) {
- rf = &RQF_OST_QUOTACTL;
- ver = LUSTRE_OST_VERSION,
- opc = OST_QUOTACTL;
- } else {
- RETURN(-EINVAL);
- }
-
- req = ptlrpc_request_alloc_pack(class_exp2cliimp(exp), rf, ver, opc);
- if (req == NULL)
- RETURN(-ENOMEM);
-
- oqc = req_capsule_client_get(&req->rq_pill, &RMF_OBD_QUOTACTL);
- *oqc = *oqctl;
-
- ptlrpc_request_set_replen(req);
-
- rc = ptlrpc_queue_wait(req);
- if (rc) {
- CERROR("ptlrpc_queue_wait failed, rc: %d\n", rc);
- GOTO(out, rc);
- }
-
- oqc = NULL;
- if (req->rq_repmsg)
- oqc = req_capsule_server_get(&req->rq_pill, &RMF_OBD_QUOTACTL);
-
- if (oqc == NULL) {
- CERROR ("Can't unpack obd_quotactl\n");
- GOTO(out, rc = -EPROTO);
- }
-
- *oqctl = *oqc;
- EXIT;
-out:
- ptlrpc_req_finished(req);
- return rc;
-}
-
-/**
- * For lmv, only need to send request to master MDT, and the master MDT will
- * process with other slave MDTs.
- */
-int lmv_quota_ctl(struct obd_device *unused, struct obd_export *exp,
- struct obd_quotactl *oqctl)
-{
- struct obd_device *obd = class_exp2obd(exp);
- struct lmv_obd *lmv = &obd->u.lmv;
- struct lmv_tgt_desc *tgt = &lmv->tgts[0];
- int rc;
- ENTRY;
-
- if (!lmv->desc.ld_tgt_count || !tgt->ltd_active) {
- CERROR("master lmv inactive\n");
- RETURN(-EIO);
- }
-
- rc = obd_quotactl(tgt->ltd_exp, oqctl);
- RETURN(rc);
-}
-
-int lov_quota_ctl(struct obd_device *unused, struct obd_export *exp,
- struct obd_quotactl *oqctl)
-{
- struct obd_device *obd = class_exp2obd(exp);
- struct lov_obd *lov = &obd->u.lov;
- __u64 curspace = 0;
- __u64 bhardlimit = 0;
- int i, rc = 0;
- ENTRY;
-
- if (oqctl->qc_cmd != LUSTRE_Q_QUOTAON &&
- oqctl->qc_cmd != LUSTRE_Q_QUOTAOFF &&
- oqctl->qc_cmd != Q_GETOQUOTA &&
- oqctl->qc_cmd != Q_INITQUOTA &&
- oqctl->qc_cmd != LUSTRE_Q_SETQUOTA &&
- oqctl->qc_cmd != Q_FINVALIDATE) {
- CERROR("bad quota opc %x for lov obd", oqctl->qc_cmd);
- RETURN(-EFAULT);
- }
-
- for (i = 0; i < lov->desc.ld_tgt_count; i++) {
- int err;
-
- if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_active) {
- if (oqctl->qc_cmd == Q_GETOQUOTA) {
- CERROR("ost %d is inactive\n", i);
- rc = -EIO;
- } else {
- CDEBUG(D_HA, "ost %d is inactive\n", i);
- }
- continue;
- }
-
- err = obd_quotactl(lov->lov_tgts[i]->ltd_exp, oqctl);
- if (err) {
- if (lov->lov_tgts[i]->ltd_active && !rc)
- rc = err;
- continue;
- }
-
- if (oqctl->qc_cmd == Q_GETOQUOTA) {
- curspace += oqctl->qc_dqblk.dqb_curspace;
- bhardlimit += oqctl->qc_dqblk.dqb_bhardlimit;
- }
- }
-
- if (oqctl->qc_cmd == Q_GETOQUOTA) {
- oqctl->qc_dqblk.dqb_curspace = curspace;
- oqctl->qc_dqblk.dqb_bhardlimit = bhardlimit;
- }
- RETURN(rc);
-}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff