-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * linux/fs/obdfilter/filter_log.c
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Copyright (c) 2001-2003 Cluster File Systems, Inc.
- * Author: Peter Braam <braam@clusterfs.com>
- * Author: Andreas Dilger <adilger@clusterfs.com>
- * Author: Phil Schwan <phil@clusterfs.com>
+ * 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.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * 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).
*
- * Lustre is free 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
*
- * 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
- * GNU General Public License 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.
*
- * 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.
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2011, Whamcloud, Inc.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/obdfilter/filter_log.c
+ *
+ * Author: Peter Braam <braam@clusterfs.com>
+ * Author: Andreas Dilger <adilger@clusterfs.com>
+ * Author: Phil Schwan <phil@clusterfs.com>
*/
#define DEBUG_SUBSYSTEM S_FILTER
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/version.h>
-#include <portals/list.h>
-#include <linux/obd_class.h>
-#include <linux/lustre_fsfilt.h>
-#include <linux/lustre_commit_confd.h>
-
+#include <libcfs/list.h>
+#include <obd_class.h>
+#include <lustre_log.h>
+#include <lustre_fsfilt.h>
#include "filter_internal.h"
-int filter_log_sz_change(struct llog_handle *cathandle,
- struct lustre_id *id, __u32 io_epoch,
- struct llog_cookie *logcookie,
+int filter_log_sz_change(struct llog_handle *cathandle,
+ struct ll_fid *mds_fid,
+ __u32 ioepoch,
+ struct llog_cookie *logcookie,
struct inode *inode)
{
struct llog_size_change_rec *lsc;
struct ost_filterdata *ofd;
ENTRY;
- down(&inode->i_sem);
- ofd = inode->i_filterdata;
-
- if (ofd && ofd->ofd_epoch >= io_epoch) {
- if (ofd->ofd_epoch > io_epoch)
- CERROR("client sent old epoch %d for obj ino %ld\n",
- io_epoch, inode->i_ino);
- up(&inode->i_sem);
- RETURN(0);
- }
+ mutex_lock(&inode->i_mutex);
+ ofd = inode->i_private;
- if (ofd && ofd->ofd_epoch < io_epoch) {
- ofd->ofd_epoch = io_epoch;
- } else if (!ofd) {
- OBD_ALLOC(ofd, sizeof(*ofd));
- if (!ofd)
- GOTO(out, rc = -ENOMEM);
- igrab(inode);
- inode->i_filterdata = ofd;
- ofd->ofd_epoch = io_epoch;
- }
- /* the decision to write a record is now made, unlock */
- up(&inode->i_sem);
+ if (ofd && ofd->ofd_epoch >= ioepoch) {
+ if (ofd->ofd_epoch > ioepoch)
+ CERROR("client sent old epoch %d for obj ino %ld\n",
+ ioepoch, inode->i_ino);
+ mutex_unlock(&inode->i_mutex);
+ RETURN(0);
+ }
+
+ if (ofd && ofd->ofd_epoch < ioepoch) {
+ ofd->ofd_epoch = ioepoch;
+ } else if (!ofd) {
+ OBD_ALLOC(ofd, sizeof(*ofd));
+ if (!ofd)
+ GOTO(out, rc = -ENOMEM);
+ igrab(inode);
+ inode->i_private = ofd;
+ ofd->ofd_epoch = ioepoch;
+ }
+ /* the decision to write a record is now made, unlock */
+ mutex_unlock(&inode->i_mutex);
OBD_ALLOC(lsc, sizeof(*lsc));
if (lsc == NULL)
RETURN(-ENOMEM);
lsc->lsc_hdr.lrh_len = lsc->lsc_tail.lrt_len = sizeof(*lsc);
lsc->lsc_hdr.lrh_type = OST_SZ_REC;
- lsc->lsc_id = *id;
- lsc->lsc_io_epoch = io_epoch;
+ lsc->lsc_fid = *mds_fid;
+ lsc->lsc_ioepoch = ioepoch;
- rc = llog_cat_add_rec(cathandle, &lsc->lsc_hdr, logcookie,
- NULL, NULL, NULL);
+ rc = llog_cat_add_rec(NULL, cathandle, &lsc->lsc_hdr, logcookie, NULL);
OBD_FREE(lsc, sizeof(*lsc));
if (rc > 0) {
out:
RETURN(rc);
}
-struct obd_llogs * filter_grab_llog_for_group(struct obd_device *,
- int, struct obd_export *);
/* When this (destroy) operation is committed, return the cancel cookie */
void filter_cancel_cookies_cb(struct obd_device *obd, __u64 transno,
void *cb_data, int error)
{
struct llog_cookie *cookie = cb_data;
- struct obd_llogs *llogs = NULL;
+ struct obd_llog_group *olg;
struct llog_ctxt *ctxt;
+ int rc;
/* we have to find context for right group */
- llogs = filter_grab_llog_for_group(obd, cookie->lgc_lgl.lgl_ogr, NULL);
-
- if (llogs) {
- ctxt = llog_get_context(llogs, cookie->lgc_subsys + 1);
- if (ctxt) {
- llog_cancel(ctxt, 1, cookie, 0, NULL);
- } else
- CERROR("no valid context for group "LPU64"\n",
- cookie->lgc_lgl.lgl_ogr);
- } else {
- CDEBUG(D_HA, "unknown group "LPU64"!\n", cookie->lgc_lgl.lgl_ogr);
+ if (error != 0 || obd->obd_stopping) {
+ CDEBUG(D_INODE, "not cancel logcookie err %d stopping %d \n",
+ error, obd->obd_stopping);
+ GOTO (out, rc = 0);
}
- OBD_FREE(cb_data, sizeof(struct llog_cookie));
+ olg = filter_find_olg(obd, cookie->lgc_lgl.lgl_oseq);
+ if (!olg) {
+ CDEBUG(D_HA, "unknown group "LPU64"!\n", cookie->lgc_lgl.lgl_oseq);
+ GOTO(out, rc = 0);
+ }
+
+ ctxt = llog_group_get_ctxt(olg, cookie->lgc_subsys + 1);
+ if (!ctxt) {
+ CERROR("no valid context for group "LPU64"\n",
+ cookie->lgc_lgl.lgl_oseq);
+ GOTO(out, rc = 0);
+ }
+
+ OBD_FAIL_TIMEOUT(OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT, 30);
+
+ rc = llog_cancel(NULL, ctxt, NULL, 1, cookie, 0);
+ if (rc)
+ CERROR("error cancelling log cookies: rc = %d\n", rc);
+ llog_ctxt_put(ctxt);
+out:
+ OBD_FREE(cookie, sizeof(*cookie));
}
-/* Callback for processing the unlink log record received from MDS by
- * llog_client_api.
- */
-int filter_recov_log_unlink_cb(struct llog_handle *llh,
- struct llog_rec_hdr *rec, void *data)
+/* Callback for processing the unlink log record received from MDS by
+ * llog_client_api. */
+static int filter_recov_log_unlink_cb(struct llog_ctxt *ctxt,
+ struct llog_rec_hdr *rec,
+ struct llog_cookie *cookie)
{
- struct llog_ctxt *ctxt = llh->lgh_ctxt;
- struct obd_device *obd = ctxt->loc_obd;
- struct obd_export *exp = obd->obd_self_export;
- struct llog_cookie cookie;
- struct llog_gen_rec *lgr;
+ struct obd_export *exp = ctxt->loc_obd->obd_self_export;
struct llog_unlink_rec *lur;
struct obdo *oa;
obd_id oid;
+ obd_count count;
int rc = 0;
ENTRY;
-
- if (!(le32_to_cpu(llh->lgh_hdr->llh_flags) & LLOG_F_IS_PLAIN)) {
- CERROR("log is not plain\n");
- RETURN(-EINVAL);
- }
- if (rec->lrh_type != MDS_UNLINK_REC &&
- rec->lrh_type != LLOG_GEN_REC) {
- CERROR("log record type error\n");
- RETURN(-EINVAL);
- }
-
- cookie.lgc_lgl = llh->lgh_id;
- cookie.lgc_subsys = LLOG_UNLINK_ORIG_CTXT;
- cookie.lgc_index = le32_to_cpu(rec->lrh_index);
-
- if (rec->lrh_type == LLOG_GEN_REC) {
- lgr = (struct llog_gen_rec *)rec;
- if (llog_gen_lt(lgr->lgr_gen, ctxt->loc_gen))
- rc = 0;
- else
- rc = LLOG_PROC_BREAK;
- CWARN("fetch generation log, send cookie\n");
- llog_cancel(ctxt, 1, &cookie, 0, NULL);
- RETURN(rc);
- }
lur = (struct llog_unlink_rec *)rec;
- oa = obdo_alloc();
- if (oa == NULL)
+ OBDO_ALLOC(oa);
+ if (oa == NULL)
RETURN(-ENOMEM);
oa->o_valid |= OBD_MD_FLCOOKIE;
oa->o_id = lur->lur_oid;
- oa->o_gr = lur->lur_ogen;
+ oa->o_seq = lur->lur_oseq;
oa->o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
- memcpy(obdo_logcookie(oa), &cookie, sizeof(cookie));
+ oa->o_lcookie = *cookie;
oid = oa->o_id;
+ /* objid gap may require to destroy several objects in row */
+ count = lur->lur_count + 1;
+
+ /* This check is only valid before FID-on-OST and it should
+ * be removed after FID-on-OST is implemented */
+ if (oa->o_seq > FID_SEQ_OST_MAX) {
+ CERROR("%s: invalid group number "LPU64" > MAX_CMD_GROUP %u\n",
+ exp->exp_obd->obd_name, oa->o_seq, FID_SEQ_OST_MAX);
+ RETURN(-EINVAL);
+ }
+
+ while (count > 0) {
+ rc = filter_destroy(NULL, exp, oa, NULL, NULL, NULL, NULL);
+ if (rc == 0)
+ CDEBUG(D_RPCTRACE, "object "LPU64" is destroyed\n",
+ oid);
+ else if (rc != -ENOENT)
+ CEMERG("error destroying object "LPU64": %d\n",
+ oid, rc);
+ else
+ rc = 0;
+ count--;
+ oid++;
+ }
+ OBDO_FREE(oa);
+
+ RETURN(rc);
+}
+
+/* Callback for processing the setattr log record received from MDS by
+ * llog_client_api. */
+static int filter_recov_log_setattr_cb(struct llog_ctxt *ctxt,
+ struct llog_rec_hdr *rec,
+ struct llog_cookie *cookie)
+{
+ struct obd_device *obd = ctxt->loc_obd;
+ struct obd_export *exp = obd->obd_self_export;
+ struct obd_info oinfo = { { { 0 } } };
+ obd_id oid;
+ int rc = 0;
+ ENTRY;
+
+ OBDO_ALLOC(oinfo.oi_oa);
+ if (oinfo.oi_oa == NULL)
+ RETURN(-ENOMEM);
+
+ if (rec->lrh_type == MDS_SETATTR64_REC) {
+ struct llog_setattr64_rec *lsr = (struct llog_setattr64_rec *)rec;
+
+ oinfo.oi_oa->o_id = lsr->lsr_oid;
+ oinfo.oi_oa->o_seq = lsr->lsr_oseq;
+ oinfo.oi_oa->o_uid = lsr->lsr_uid;
+ oinfo.oi_oa->o_gid = lsr->lsr_gid;
+ } else {
+ CERROR("%s: wrong llog type %#x\n", obd->obd_name,
+ rec->lrh_type);
+ RETURN(-EINVAL);
+ }
+
+ oinfo.oi_oa->o_valid |= (OBD_MD_FLID | OBD_MD_FLUID | OBD_MD_FLGID |
+ OBD_MD_FLCOOKIE);
+ oinfo.oi_oa->o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
+ oinfo.oi_oa->o_lcookie = *cookie;
+ oid = oinfo.oi_oa->o_id;
+
+ rc = filter_setattr(NULL, exp, &oinfo, NULL);
+ OBDO_FREE(oinfo.oi_oa);
- rc = obd_destroy(exp, oa, NULL, NULL);
- obdo_free(oa);
if (rc == -ENOENT) {
- CDEBUG(D_HA, "object already removed, send cookie\n");
- llog_cancel(ctxt, 1, &cookie, 0, NULL);
+ CDEBUG(D_RPCTRACE, "object already removed, send cookie\n");
+ llog_cancel(NULL, ctxt, NULL, 1, cookie, 0);
RETURN(0);
}
if (rc == 0)
- CDEBUG(D_HA, "object: "LPU64" in record is destroyed\n", oid);
+ CDEBUG(D_RPCTRACE, "object "LPU64" is chown/chgrp\n", oid);
+
+ RETURN(rc);
+}
+
+int filter_recov_log_mds_ost_cb(const struct lu_env *env,
+ struct llog_handle *llh,
+ struct llog_rec_hdr *rec, void *data)
+{
+ struct llog_ctxt *ctxt = llh->lgh_ctxt;
+ struct llog_cookie cookie;
+ int rc = 0;
+ ENTRY;
+
+ if (ctxt->loc_obd->obd_stopping)
+ RETURN(LLOG_PROC_BREAK);
+
+ if (rec == NULL) {
+ cfs_spin_lock(&ctxt->loc_obd->u.filter.fo_flags_lock);
+ ctxt->loc_obd->u.filter.fo_mds_ost_sync = 0;
+ cfs_spin_unlock(&ctxt->loc_obd->u.filter.fo_flags_lock);
+ RETURN(0);
+ }
+
+ if (!(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN)) {
+ CERROR("log is not plain\n");
+ RETURN(-EINVAL);
+ }
+
+ OBD_FAIL_TIMEOUT(OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT, 30);
+ cookie.lgc_lgl = llh->lgh_id;
+ cookie.lgc_subsys = LLOG_MDS_OST_ORIG_CTXT;
+ cookie.lgc_index = rec->lrh_index;
+
+ switch (rec->lrh_type) {
+ case MDS_UNLINK_REC:
+ rc = filter_recov_log_unlink_cb(ctxt, rec, &cookie);
+ break;
+ case MDS_SETATTR64_REC:
+ rc = filter_recov_log_setattr_cb(ctxt, rec, &cookie);
+ break;
+ case LLOG_GEN_REC: {
+ struct llog_gen_rec *lgr = (struct llog_gen_rec *)rec;
+
+ if (llog_gen_lt(lgr->lgr_gen, ctxt->loc_gen))
+ rc = 0;
+ else
+ rc = LLOG_PROC_BREAK;
+ CDEBUG(D_HA, "fetch generation log, send cookie\n");
+ llog_cancel(NULL, ctxt, NULL, 1, &cookie, 0);
+ RETURN(rc);
+ }
+ break;
+ default:
+ CERROR("log record type %08x unknown\n", rec->lrh_type);
+ RETURN(-EINVAL);
+ break;
+ }
RETURN(rc);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff