* 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/
struct lvfs_run_ctxt saved;
int rc;
- ptlrpc_daemonize("quotacheck");
+ cfs_daemonize_ctxt("quotacheck");
exp = qta->qta_exp;
obd = qta->qta_obd;
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
rc = target_quotacheck_callback(exp, oqctl);
-
- atomic_inc(qta->qta_sem);
-
+ class_export_put(exp);
+ cfs_up(qta->qta_sem);
OBD_FREE_PTR(qta);
return rc;
}
int rc = 0;
ENTRY;
- if (!atomic_dec_and_test(&obt->obt_quotachecking)) {
- CDEBUG(D_INFO, "other people are doing quotacheck\n");
- GOTO(out, rc = -EBUSY);
- }
-
OBD_ALLOC_PTR(qta);
if (!qta)
- GOTO(out, rc = -ENOMEM);
+ RETURN(ENOMEM);
+
+ cfs_down(&obt->obt_quotachecking);
qta->qta_exp = exp;
qta->qta_obd = obd;
qta->qta_sb = obt->obt_sb;
qta->qta_sem = &obt->obt_quotachecking;
+ /* quotaoff firstly */
+ oqctl->qc_cmd = Q_QUOTAOFF;
if (!strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME)) {
+ rc = do_mds_quota_off(obd, oqctl);
+ if (rc && rc != -EALREADY) {
+ CERROR("off quota on MDS failed: %d\n", rc);
+ GOTO(out, rc);
+ }
+
/* quota master */
rc = init_admin_quotafiles(obd, &qta->qta_oqctl);
if (rc) {
CERROR("init_admin_quotafiles failed: %d\n", rc);
- OBD_FREE_PTR(qta);
+ GOTO(out, rc);
+ }
+ } else {
+ struct lvfs_run_ctxt saved;
+ struct lustre_quota_ctxt *qctxt = &obt->obt_qctxt;
+
+ 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 (!rc) {
+ qctxt->lqc_flags &= ~UGQUOTA2LQC(oqctl->qc_type);
+ } else if (!quota_is_off(qctxt, oqctl)) {
+ CERROR("off quota on OSS failed: %d\n", rc);
GOTO(out, rc);
}
}
- rc = kernel_thread(target_quotacheck_thread, qta, CLONE_VM|CLONE_FILES);
+ /* we get ref for exp because target_quotacheck_callback() will use this
+ * export later b=18126 */
+ class_export_get(exp);
+ rc = cfs_create_thread(target_quotacheck_thread, qta,
+ CFS_DAEMON_FLAGS);
if (rc >= 0) {
+ /* target_quotacheck_thread will drop the ref on exp and release
+ * obt_quotachecking */
CDEBUG(D_INFO, "%s: target_quotacheck_thread: %d\n",
obd->obd_name, rc);
RETURN(0);
+ } else {
+ CERROR("%s: error starting quotacheck_thread: %d\n",
+ obd->obd_name, rc);
+ class_export_put(exp);
+ EXIT;
}
- CERROR("%s: error starting quotacheck_thread: %d\n",
- obd->obd_name, rc);
- OBD_FREE_PTR(qta);
out:
- atomic_inc(&obt->obt_quotachecking);
- RETURN(rc);
+ cfs_up(&obt->obt_quotachecking);
+ OBD_FREE_PTR(qta);
+ return rc;
}
#endif /* __KERNEL__ */
#endif /* HAVE_QUOTA_SUPPORT */
-
-int client_quota_check(struct obd_device *unused, struct obd_export *exp,
- struct obd_quotactl *oqctl)
-{
- struct client_obd *cli = &exp->exp_obd->u.cli;
- struct ptlrpc_request *req;
- struct obd_quotactl *body;
- 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_QUOTACHECK;
- ver = LUSTRE_MDS_VERSION;
- opc = MDS_QUOTACHECK;
- } else if (!strcmp(exp->exp_obd->obd_type->typ_name, LUSTRE_OSC_NAME)) {
- rf = &RQF_OST_QUOTACHECK;
- ver = LUSTRE_OST_VERSION;
- opc = OST_QUOTACHECK;
- } else {
- RETURN(-EINVAL);
- }
-
- req = ptlrpc_request_alloc_pack(class_exp2cliimp(exp), rf, ver, opc);
- if (req == NULL)
- RETURN(-ENOMEM);
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_OBD_QUOTACTL);
- *body = *oqctl;
-
- ptlrpc_request_set_replen(req);
-
- /* the next poll will find -ENODATA, that means quotacheck is
- * going on */
- cli->cl_qchk_stat = -ENODATA;
- rc = ptlrpc_queue_wait(req);
- if (rc)
- cli->cl_qchk_stat = rc;
- ptlrpc_req_finished(req);
- RETURN(rc);
-}
-
-int client_quota_poll_check(struct obd_export *exp, struct if_quotacheck *qchk)
-{
- struct client_obd *cli = &exp->exp_obd->u.cli;
- int rc;
- ENTRY;
-
- rc = cli->cl_qchk_stat;
-
- /* the client is not the previous one */
- if (rc == CL_NOT_QUOTACHECKED)
- rc = -EINTR;
-
- qchk->obd_uuid = cli->cl_target_uuid;
- /* FIXME change strncmp to strcmp and save the strlen op */
- if (strncmp(exp->exp_obd->obd_type->typ_name, LUSTRE_OSC_NAME,
- strlen(LUSTRE_OSC_NAME)) == 0)
- memcpy(qchk->obd_type, LUSTRE_OST_NAME,
- strlen(LUSTRE_OST_NAME));
- else if (strncmp(exp->exp_obd->obd_type->typ_name, LUSTRE_MDC_NAME,
- strlen(LUSTRE_MDC_NAME)) == 0)
- memcpy(qchk->obd_type, LUSTRE_MDS_NAME,
- strlen(LUSTRE_MDS_NAME));
-
- RETURN(rc);
-}
-
-int lmv_quota_check(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;
- int i, rc = 0;
- ENTRY;
-
- for (i = 0, tgt = lmv->tgts; i < lmv->desc.ld_tgt_count; i++, tgt++) {
- int err;
-
- if (!tgt->ltd_active) {
- CERROR("lmv idx %d inactive\n", i);
- RETURN(-EIO);
- }
-
- err = obd_quotacheck(tgt->ltd_exp, oqctl);
- if (err && !rc)
- rc = err;
- }
-
- RETURN(rc);
-}
-
-int lov_quota_check(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;
- int i, rc = 0;
- ENTRY;
-
- for (i = 0; i < lov->desc.ld_tgt_count; i++) {
- int err;
-
- if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_active) {
- CERROR("lov idx %d inactive\n", i);
- RETURN(-EIO);
- }
-
- err = obd_quotacheck(lov->lov_tgts[i]->ltd_exp, oqctl);
- if (err && !rc)
- rc = err;
- }
-
- RETURN(rc);
-}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff