/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * lustre/mds/handler.c
- * Lustre Metadata Server (mds) request handler
+ * GPL HEADER START
*
- * Copyright (c) 2001-2005 Cluster File Systems, Inc.
- * Author: Peter Braam <braam@clusterfs.com>
- * Author: Andreas Dilger <adilger@clusterfs.com>
- * Author: Phil Schwan <phil@clusterfs.com>
- * Author: Mike Shaver <shaver@clusterfs.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * 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.
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * 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).
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * 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
*
- * In either case, Lustre 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
- * license text for more details.
+ * 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.
+ *
+ * lustre/mds/handler.c
+ *
+ * Author: Peter Braam <braam@clusterfs.com>
+ * Author: Andreas Dilger <adilger@clusterfs.com>
+ * Author: Phil Schwan <phil@clusterfs.com>
+ * Author: Mike Shaver <shaver@clusterfs.com>
*/
#define DEBUG_SUBSYSTEM S_MDS
#include <linux/workqueue.h>
#include <linux/mount.h>
-#include <linux/lustre_acl.h>
+#include <lustre_acl.h>
#include <obd_class.h>
#include <lustre_dlm.h>
#include <obd_lov.h>
#include <lustre_fsfilt.h>
#include <lprocfs_status.h>
-#include <lustre_commit_confd.h>
-#include <lustre_quota.h>
#include <lustre_disk.h>
#include <lustre_param.h>
snprintf(fid_name, sizeof(fid_name), "0x%lx", ino);
- CDEBUG(D_DENTRY, "--> mds_fid2dentry: ino/gen %lu/%u, sb %p\n",
- ino, generation, mds->mds_obt.obt_sb);
-
/* under ext3 this is neither supposed to return bad inodes
nor NULL inodes. */
result = ll_lookup_one_len(fid_name, mds->mds_fid_de, strlen(fid_name));
/* Cleanup the lov */
obd_disconnect(mds->mds_osc_exp);
class_manual_cleanup(osc);
- mds->mds_osc_exp = NULL;
RETURN(0);
}
static int mds_postsetup(struct obd_device *obd)
{
struct mds_obd *mds = &obd->u.mds;
+ struct llog_ctxt *ctxt;
int rc = 0;
ENTRY;
rc = llog_setup(obd, &obd->obd_olg, LLOG_LOVEA_ORIG_CTXT, obd, 0, NULL,
&llog_lvfs_ops);
if (rc)
- RETURN(rc);
+ GOTO(err_llog, rc);
+
+ mds_changelog_llog_init(obd, obd);
if (mds->mds_profile) {
struct lustre_profile *lprof;
err_cleanup:
mds_lov_clean(obd);
- llog_cleanup(llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT));
- llog_cleanup(llog_get_context(obd, LLOG_LOVEA_ORIG_CTXT));
- RETURN(rc);
+ ctxt = llog_get_context(obd, LLOG_LOVEA_ORIG_CTXT);
+ if (ctxt)
+ llog_cleanup(ctxt);
+err_llog:
+ ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
+ if (ctxt)
+ llog_cleanup(ctxt);
+ return rc;
}
int mds_postrecov(struct obd_device *obd)
RETURN(0);
LASSERT(!obd->obd_recovering);
- LASSERT(!llog_ctxt_null(obd, LLOG_MDS_OST_ORIG_CTXT));
-
/* clean PENDING dir */
#if 0
if (strncmp(obd->obd_name, MDD_OBD_NAME, strlen(MDD_OBD_NAME)))
obd->obd_async_recov ? OBD_NOTIFY_SYNC_NONBLOCK :
OBD_NOTIFY_SYNC, NULL);
- /* quota recovery */
- lquota_recovery(mds_quota_interface_ref, obd);
-
RETURN(rc);
}
static int mds_precleanup(struct obd_device *obd, enum obd_cleanup_stage stage)
{
+ struct mds_obd *mds = &obd->u.mds;
+ struct llog_ctxt *ctxt;
int rc = 0;
ENTRY;
case OBD_CLEANUP_EARLY:
break;
case OBD_CLEANUP_EXPORTS:
- /*XXX Use this for mdd mds cleanup, so comment out
- *this target_cleanup_recovery for this tmp MDD MDS
- *Wangdi*/
- if (strncmp(obd->obd_name, MDD_OBD_NAME, strlen(MDD_OBD_NAME)))
- target_cleanup_recovery(obd);
mds_lov_early_clean(obd);
- break;
- case OBD_CLEANUP_SELF_EXP:
+ down_write(&mds->mds_notify_lock);
mds_lov_disconnect(obd);
mds_lov_clean(obd);
- llog_cleanup(llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT));
- llog_cleanup(llog_get_context(obd, LLOG_LOVEA_ORIG_CTXT));
+ ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
+ if (ctxt)
+ llog_cleanup(ctxt);
+ ctxt = llog_get_context(obd, LLOG_LOVEA_ORIG_CTXT);
+ if (ctxt)
+ llog_cleanup(ctxt);
rc = obd_llog_finish(obd, 0);
- break;
- case OBD_CLEANUP_OBD:
+ mds->mds_osc_exp = NULL;
+ up_write(&mds->mds_notify_lock);
break;
}
RETURN(rc);
l_fid2dentry: mds_lvfs_fid2dentry,
};
-quota_interface_t *mds_quota_interface_ref;
-extern quota_interface_t mds_quota_interface;
-
static void mds_init_ctxt(struct obd_device *obd, struct vfsmount *mnt)
{
struct mds_obd *mds = &obd->u.mds;
*/
atomic_dec(&lsi->lsi_mounts);
mntput(mnt);
+ init_rwsem(&mds->mds_notify_lock);
obd->obd_fsops = fsfilt_get_ops(MT_STR(lsi->lsi_ldd));
mds_init_ctxt(obd, mnt);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- dentry = simple_mkdir(current->fs->pwd, "OBJECTS", 0777, 1);
+ dentry = simple_mkdir(current->fs->pwd, mnt, "OBJECTS", 0777, 1);
if (IS_ERR(dentry)) {
rc = PTR_ERR(dentry);
CERROR("cannot create OBJECTS directory: rc = %d\n", rc);
if (rc)
GOTO(err_objects, rc);
- mds->mds_max_mdsize = sizeof(struct lov_mds_md);
- mds->mds_max_cookiesize = sizeof(struct llog_cookie);
-
err_pop:
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
RETURN(rc);
int rc = 0;
ENTRY;
+ mds->mds_osc_exp = NULL;
+
if (obd->obd_fail)
LCONSOLE_WARN("%s: shutting down for failover; client state "
"will be preserved.\n", obd->obd_name);
+ if (strncmp(obd->obd_name, MDD_OBD_NAME, strlen(MDD_OBD_NAME)))
+ RETURN(0);
+
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
mds_lov_destroy_objids(obd);
// .o_health_check = mds_cmd_health_check,
};
+quota_interface_t *mds_quota_interface_ref;
+extern quota_interface_t mds_quota_interface;
+
static int __init mds_cmd_init(void)
{
struct lprocfs_static_vars lvars;
+ int rc;
+
+ request_module("lquota");
+ mds_quota_interface_ref = PORTAL_SYMBOL_GET(mds_quota_interface);
+ rc = lquota_init(mds_quota_interface_ref);
+ if (rc) {
+ if (mds_quota_interface_ref)
+ PORTAL_SYMBOL_PUT(mds_quota_interface);
+ return rc;
+ }
+ init_obd_quota_ops(mds_quota_interface_ref, &mds_cmd_obd_ops);
lprocfs_mds_init_vars(&lvars);
class_register_type(&mds_cmd_obd_ops, NULL, lvars.module_vars,
static void /*__exit*/ mds_cmd_exit(void)
{
+ lquota_exit(mds_quota_interface_ref);
+ if (mds_quota_interface_ref)
+ PORTAL_SYMBOL_PUT(mds_quota_interface);
+
class_unregister_type(LUSTRE_MDS_NAME);
}
-MODULE_AUTHOR("Cluster File Systems, Inc. <info@clusterfs.com>");
+EXPORT_SYMBOL(mds_quota_interface_ref);
+MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
MODULE_DESCRIPTION("Lustre Metadata Server (MDS)");
MODULE_LICENSE("GPL");
git://git.whamcloud.com / fs / lustre-release.git / blobdiff