-
/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Copyright (C) 2005 Cluster File Systems, Inc.
+ *
+ * This file is part of the Lustre file system, http://www.lustre.org
+ * Lustre is a trademark of Cluster File Systems, Inc.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * 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.
*/
#define DEBUG_SUBSYSTEM S_LOG
#define EXPORT_SYMTAB
#endif
-#ifdef __KERNEL__
-#include <linux/fs.h>
-#else
+#ifndef __KERNEL__
#include <liblustre.h>
#endif
-#include <linux/obd_class.h>
-#include <linux/lustre_log.h>
-#include <linux/lustre_mds.h>
+#include <obd_class.h>
+#include <lustre_log.h>
#include <libcfs/list.h>
+#include "llog_internal.h"
/* helper functions for calling the llog obd methods */
-int obd_llog_setup(struct obd_device *obd, struct obd_llogs *llogs,
- int index, struct obd_device *disk_obd, int count,
- struct llog_logid *logid, struct llog_operations *op)
+
+int llog_cleanup(struct llog_ctxt *ctxt)
{
- struct llog_ctxt *ctxt;
int rc = 0;
ENTRY;
- LASSERT(llogs);
+ if (!ctxt) {
+ CERROR("No ctxt\n");
+ RETURN(-ENODEV);
+ }
+
+ if (CTXTP(ctxt, cleanup))
+ rc = CTXTP(ctxt, cleanup)(ctxt);
+
+ ctxt->loc_obd->obd_llog_ctxt[ctxt->loc_idx] = NULL;
+ if (ctxt->loc_exp)
+ class_export_put(ctxt->loc_exp);
+ OBD_FREE(ctxt, sizeof(*ctxt));
+
+ RETURN(rc);
+}
+EXPORT_SYMBOL(llog_cleanup);
+
+int llog_setup(struct obd_device *obd, int index, struct obd_device *disk_obd,
+ int count, struct llog_logid *logid, struct llog_operations *op)
+{
+ int rc = 0;
+ struct llog_ctxt *ctxt;
+ ENTRY;
if (index < 0 || index >= LLOG_MAX_CTXTS)
RETURN(-EFAULT);
+ if (obd->obd_llog_ctxt[index]) {
+ /* mds_lov_update_mds might call here multiple times. So if the
+ llog is already set up then don't to do it again. */
+ CDEBUG(D_CONFIG, "obd %s ctxt %d already set up\n",
+ obd->obd_name, index);
+ ctxt = obd->obd_llog_ctxt[index];
+ LASSERT(ctxt->loc_obd == obd);
+ LASSERT(ctxt->loc_exp == disk_obd->obd_self_export);
+ LASSERT(ctxt->loc_logops == op);
+ GOTO(out, rc = 0);
+ }
+
OBD_ALLOC(ctxt, sizeof(*ctxt));
if (!ctxt)
- RETURN(-ENOMEM);
+ GOTO(out, rc = -ENOMEM);
- llogs->llog_ctxt[index] = ctxt;
obd->obd_llog_ctxt[index] = ctxt;
- ctxt->loc_logops = op;
ctxt->loc_obd = obd;
- ctxt->loc_llogs = llogs;
- ctxt->loc_idx = index;
- ctxt->loc_alone = 0;
ctxt->loc_exp = class_export_get(disk_obd->obd_self_export);
+ ctxt->loc_idx = index;
+ ctxt->loc_logops = op;
sema_init(&ctxt->loc_sem, 1);
- if (op->lop_close == llog_lvfs_ops.lop_close) {
- ctxt->loc_fsops = disk_obd->obd_fsops;
- ctxt->loc_lvfs_ctxt = &disk_obd->obd_lvfs_ctxt;
- if (!strcmp(disk_obd->obd_type->typ_name, OBD_MDS_DEVICENAME)) {
- struct mds_obd *mds = &disk_obd->u.mds;
- ctxt->loc_objects_dir = mds->mds_objects_dir;
- ctxt->loc_logs_dir = mds->mds_logs_dir;
- } else if (!strcmp(disk_obd->obd_type->typ_name, OBD_CONF_DEVICENAME)) {
- struct conf_obd *confobd = &disk_obd->u.conf;
- ctxt->loc_objects_dir = confobd->cfobd_objects_dir;
- ctxt->loc_logs_dir = confobd->cfobd_logs_dir;
- }
- }
-
if (op->lop_setup)
- rc = op->lop_setup(obd, llogs, index, disk_obd, count, logid);
- if (ctxt && rc) {
+ rc = op->lop_setup(obd, index, disk_obd, count, logid);
+
+ if (rc) {
obd->obd_llog_ctxt[index] = NULL;
- llogs->llog_ctxt[index] = NULL;
+ class_export_put(ctxt->loc_exp);
OBD_FREE(ctxt, sizeof(*ctxt));
}
-
+
+out:
RETURN(rc);
}
-EXPORT_SYMBOL(obd_llog_setup);
+EXPORT_SYMBOL(llog_setup);
-int obd_llog_cleanup(struct llog_ctxt *ctxt)
+int llog_sync(struct llog_ctxt *ctxt, struct obd_export *exp)
{
int rc = 0;
ENTRY;
- if (ctxt == NULL)
+ if (!ctxt)
RETURN(0);
- if (CTXTP(ctxt, cleanup))
- rc = CTXTP(ctxt, cleanup)(ctxt);
-
- ctxt->loc_obd->obd_llog_ctxt[ctxt->loc_idx] = NULL;
- ctxt->loc_llogs->llog_ctxt[ctxt->loc_idx] = NULL;
- class_export_put(ctxt->loc_exp);
- ctxt->loc_exp = NULL;
- OBD_FREE(ctxt, sizeof(*ctxt));
+ if (CTXTP(ctxt, sync))
+ rc = CTXTP(ctxt, sync)(ctxt, exp);
+
RETURN(rc);
}
-EXPORT_SYMBOL(obd_llog_cleanup);
+EXPORT_SYMBOL(llog_sync);
+
+int llog_add(struct llog_ctxt *ctxt, struct llog_rec_hdr *rec,
+ struct lov_stripe_md *lsm, struct llog_cookie *logcookies,
+ int numcookies)
+{
+ int rc;
+ ENTRY;
+
+ if (!ctxt) {
+ CERROR("No ctxt\n");
+ RETURN(-ENODEV);
+ }
+
+ CTXT_CHECK_OP(ctxt, add, -EOPNOTSUPP);
+ rc = CTXTP(ctxt, add)(ctxt, rec, lsm, logcookies, numcookies);
+ RETURN(rc);
+}
+EXPORT_SYMBOL(llog_add);
+
+int llog_cancel(struct llog_ctxt *ctxt, struct lov_stripe_md *lsm,
+ int count, struct llog_cookie *cookies, int flags)
+{
+ int rc;
+ ENTRY;
+
+ if (!ctxt) {
+ CERROR("No ctxt\n");
+ RETURN(-ENODEV);
+ }
+
+ CTXT_CHECK_OP(ctxt, cancel, -EOPNOTSUPP);
+ rc = CTXTP(ctxt, cancel)(ctxt, lsm, count, cookies, flags);
+ RETURN(rc);
+}
+EXPORT_SYMBOL(llog_cancel);
/* callback func for llog_process in llog_obd_origin_setup */
static int cat_cancel_cb(struct llog_handle *cathandle,
{
struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
struct llog_handle *loghandle;
- int rc;
+ struct llog_log_hdr *llh;
+ int rc, index;
ENTRY;
if (rec->lrh_type != LLOG_LOGID_MAGIC) {
CERROR("invalid record in catalog\n");
RETURN(-EINVAL);
}
- CDEBUG(D_HA, "processing log "LPX64":%x at index %u of catalog "LPX64"\n",
- lir->lid_id.lgl_oid, lir->lid_id.lgl_ogen,
+ CDEBUG(D_HA, "processing log "LPX64":%x at index %u of catalog "
+ LPX64"\n", lir->lid_id.lgl_oid, lir->lid_id.lgl_ogen,
rec->lrh_index, cathandle->lgh_id.lgl_oid);
rc = llog_cat_id2handle(cathandle, &loghandle, &lir->lid_id);
RETURN(rc);
}
- if (cathandle->lgh_last_idx == loghandle->u.phd.phd_cookie.lgc_index)
- cathandle->u.chd.chd_current_log = loghandle;
+ llh = loghandle->lgh_hdr;
+ if ((llh->llh_flags & LLOG_F_ZAP_WHEN_EMPTY) &&
+ (llh->llh_count == 1)) {
+ rc = llog_destroy(loghandle);
+ if (rc)
+ CERROR("failure destroying log in postsetup: %d\n", rc);
+
+ index = loghandle->u.phd.phd_cookie.lgc_index;
+ llog_free_handle(loghandle);
+
+ LASSERT(index);
+ llog_cat_set_first_idx(cathandle, index);
+ rc = llog_cancel_rec(cathandle, index);
+ if (rc == 0)
+ CDEBUG(D_HA, "cancel log "LPX64":%x at index %u of "
+ "catalog "LPX64"\n", lir->lid_id.lgl_oid,
+ lir->lid_id.lgl_ogen, rec->lrh_index,
+ cathandle->lgh_id.lgl_oid);
+ }
RETURN(rc);
}
/* lop_setup method for filter/osc */
// XXX how to set exports
-int llog_obd_origin_setup(struct obd_device *obd, struct obd_llogs *llogs,
- int index, struct obd_device *disk_obd, int count,
+int llog_obd_origin_setup(struct obd_device *obd, int index,
+ struct obd_device *disk_obd, int count,
struct llog_logid *logid)
{
struct llog_ctxt *ctxt;
LASSERT(count == 1);
- ctxt = llog_get_context(llogs, index);
+ ctxt = llog_get_context(obd, index);
LASSERT(ctxt);
llog_gen_init(ctxt);
- if (logid->lgl_oid) {
- rc = llog_open(ctxt, &handle, logid, NULL, 0);
- } else {
- rc = llog_open(ctxt, &handle, NULL, NULL, 0);
+ if (logid->lgl_oid)
+ rc = llog_create(ctxt, &handle, logid, NULL);
+ else {
+ rc = llog_create(ctxt, &handle, NULL, NULL);
if (!rc)
*logid = handle->lgh_id;
}
if (rc)
- RETURN(rc);
+ GOTO(out, rc);
ctxt->loc_handle = handle;
push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
rc = llog_init_handle(handle, LLOG_F_IS_CAT, NULL);
pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
if (rc)
- RETURN(rc);
+ GOTO(out, rc);
rc = llog_process(handle, (llog_cb_t)cat_cancel_cb, NULL, NULL);
if (rc)
CERROR("llog_process with cat_cancel_cb failed: %d\n", rc);
+ out:
+ RETURN(rc);
+}
+EXPORT_SYMBOL(llog_obd_origin_setup);
- if (ctxt && rc) {
- llogs->llog_ctxt[index] = NULL;
- OBD_FREE(ctxt, sizeof(*ctxt));
+int llog_obd_origin_cleanup(struct llog_ctxt *ctxt)
+{
+ struct llog_handle *cathandle, *n, *loghandle;
+ struct llog_log_hdr *llh;
+ int rc, index;
+ ENTRY;
+
+ if (!ctxt)
+ RETURN(0);
+
+ cathandle = ctxt->loc_handle;
+ if (cathandle) {
+ list_for_each_entry_safe(loghandle, n,
+ &cathandle->u.chd.chd_head,
+ u.phd.phd_entry) {
+ llh = loghandle->lgh_hdr;
+ if ((llh->llh_flags &
+ LLOG_F_ZAP_WHEN_EMPTY) &&
+ (llh->llh_count == 1)) {
+ rc = llog_destroy(loghandle);
+ if (rc)
+ CERROR("failure destroying log during "
+ "cleanup: %d\n", rc);
+
+ index = loghandle->u.phd.phd_cookie.lgc_index;
+ llog_free_handle(loghandle);
+
+ LASSERT(index);
+ llog_cat_set_first_idx(cathandle, index);
+ rc = llog_cancel_rec(cathandle, index);
+ if (rc == 0)
+ CDEBUG(D_HA, "cancel plain log at index"
+ " %u of catalog "LPX64"\n",
+ index,cathandle->lgh_id.lgl_oid);
+ }
+ }
+ llog_cat_put(ctxt->loc_handle);
}
+ RETURN(0);
+}
+EXPORT_SYMBOL(llog_obd_origin_cleanup);
+
+/* add for obdfilter/sz and mds/unlink */
+int llog_obd_origin_add(struct llog_ctxt *ctxt,
+ struct llog_rec_hdr *rec, struct lov_stripe_md *lsm,
+ struct llog_cookie *logcookies, int numcookies)
+{
+ struct llog_handle *cathandle;
+ int rc;
+ ENTRY;
+
+ cathandle = ctxt->loc_handle;
+ LASSERT(cathandle != NULL);
+ rc = llog_cat_add_rec(cathandle, rec, logcookies, NULL);
+ if (rc != 1)
+ CERROR("write one catalog record failed: %d\n", rc);
RETURN(rc);
}
-EXPORT_SYMBOL(llog_obd_origin_setup);
+EXPORT_SYMBOL(llog_obd_origin_add);
-int obd_llog_cat_initialize(struct obd_device *obd, struct obd_llogs *llogs,
- int count, const char *name)
+int llog_cat_initialize(struct obd_device *obd, int count,
+ struct obd_uuid *uuid)
{
+ char name[32] = CATLIST;
struct llog_catid *idarray;
int size = sizeof(*idarray) * count;
int rc;
ENTRY;
OBD_ALLOC(idarray, size);
- if (!idarray)
+ if (!idarray)
RETURN(-ENOMEM);
- rc = llog_get_cat_list(&obd->obd_lvfs_ctxt, obd->obd_fsops,
- name, count, idarray);
+ rc = llog_get_cat_list(obd, obd, name, count, idarray);
if (rc) {
CERROR("rc: %d\n", rc);
GOTO(out, rc);
}
- rc = obd_llog_init(obd, llogs, obd, count, idarray);
+ rc = obd_llog_init(obd, obd, count, idarray, uuid);
if (rc) {
CERROR("rc: %d\n", rc);
GOTO(out, rc);
}
- rc = llog_put_cat_list(&obd->obd_lvfs_ctxt, obd->obd_fsops,
- name, count, idarray);
+ rc = llog_put_cat_list(obd, obd, name, count, idarray);
if (rc) {
CERROR("rc: %d\n", rc);
GOTO(out, rc);
OBD_FREE(idarray, size);
RETURN(rc);
}
-EXPORT_SYMBOL(obd_llog_cat_initialize);
+EXPORT_SYMBOL(llog_cat_initialize);
-int obd_llog_init(struct obd_device *obd, struct obd_llogs *llogs,
- struct obd_device *disk_obd, int count,
- struct llog_catid *logid)
+int obd_llog_init(struct obd_device *obd, struct obd_device *disk_obd,
+ int count, struct llog_catid *logid, struct obd_uuid *uuid)
{
int rc;
ENTRY;
OBD_CHECK_OP(obd, llog_init, 0);
OBD_COUNTER_INCREMENT(obd, llog_init);
- rc = OBP(obd, llog_init)(obd, llogs, disk_obd, count, logid);
+ rc = OBP(obd, llog_init)(obd, disk_obd, count, logid, uuid);
RETURN(rc);
}
EXPORT_SYMBOL(obd_llog_init);
-int obd_llog_finish(struct obd_device *obd, struct obd_llogs *llogs, int count)
+int obd_llog_finish(struct obd_device *obd, int count)
{
int rc;
ENTRY;
OBD_CHECK_OP(obd, llog_finish, 0);
OBD_COUNTER_INCREMENT(obd, llog_finish);
- rc = OBP(obd, llog_finish)(obd, llogs, count);
+ rc = OBP(obd, llog_finish)(obd, count);
RETURN(rc);
}
EXPORT_SYMBOL(obd_llog_finish);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff