* Author: Andreas Dilger <adilger@clusterfs.com>
* Author: Phil Schwan <phil@clusterfs.com>
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This file is part of the Lustre file system, http://www.lustre.org
+ * Lustre is a trademark of Cluster File Systems, Inc.
*
- * 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 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.
*
- * 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.
+ * 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
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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_FILTER
+#ifndef AUTOCONF_INCLUDED
#include <linux/config.h>
+#endif
#include <linux/module.h>
#include <linux/version.h>
#include <libcfs/list.h>
-#include <linux/obd_class.h>
-#include <linux/lustre_fsfilt.h>
-#include <linux/lustre_commit_confd.h>
+#include <obd_class.h>
+#include <lustre_fsfilt.h>
+#include <lustre_commit_confd.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);
+ LOCK_INODE_MUTEX(inode);
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);
+
+ 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);
+ UNLOCK_INODE_MUTEX(inode);
RETURN(0);
}
- if (ofd && ofd->ofd_epoch < io_epoch) {
- ofd->ofd_epoch = io_epoch;
+ 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_filterdata = ofd;
- ofd->ofd_epoch = io_epoch;
+ ofd->ofd_epoch = ioepoch;
}
/* the decision to write a record is now made, unlock */
- up(&inode->i_sem);
+ UNLOCK_INODE_MUTEX(inode);
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(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_llogs *llogs;
struct llog_ctxt *ctxt;
-
+
/* we have to find context for right group */
+ if (error != 0) {
+ CDEBUG(D_INODE, "not cancelling llog cookie on error %d\n",
+ error);
+ goto out;
+ }
llogs = filter_grab_llog_for_group(obd, cookie->lgc_lgl.lgl_ogr, NULL);
if (llogs) {
- ctxt = llog_get_context(llogs, cookie->lgc_subsys + 1);
+ ctxt = llog_get_context_from_llogs(llogs, cookie->lgc_subsys + 1);
if (ctxt) {
- llog_cancel(ctxt, 1, cookie, 0, NULL);
+ llog_cancel(ctxt, NULL, 1, cookie, 0);
} else
CERROR("no valid context for group "LPU64"\n",
- cookie->lgc_lgl.lgl_ogr);
+ cookie->lgc_lgl.lgl_ogr);
} else {
CDEBUG(D_HA, "unknown group "LPU64"!\n", cookie->lgc_lgl.lgl_ogr);
}
-
- OBD_FREE(cb_data, sizeof(struct llog_cookie));
+out:
+ OBD_FREE(cookie, sizeof(struct llog_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)
+ * 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 llog_unlink_rec *lur;
struct obdo *oa;
obd_id oid;
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();
+ 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_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
- memcpy(obdo_logcookie(oa), &cookie, sizeof(cookie));
+ memcpy(obdo_logcookie(oa), cookie, sizeof(*cookie));
oid = oa->o_id;
- rc = obd_destroy(exp, oa, NULL, NULL);
- obdo_free(oa);
+ rc = filter_destroy(exp, oa, NULL, NULL, NULL);
+ OBDO_FREE(oa);
if (rc == -ENOENT) {
CDEBUG(D_HA, "object already removed, send cookie\n");
- llog_cancel(ctxt, 1, &cookie, 0, NULL);
+ llog_cancel(ctxt, NULL, 1, cookie, 0);
RETURN(0);
}
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 llog_setattr_rec *lsr;
+ struct obd_info oinfo = { { { 0 } } };
+ obd_id oid;
+ int rc = 0;
+ ENTRY;
+
+ lsr = (struct llog_setattr_rec *)rec;
+ OBDO_ALLOC(oinfo.oi_oa);
+ if (oinfo.oi_oa == NULL)
+ RETURN(-ENOMEM);
+
+ oinfo.oi_oa->o_valid |= (OBD_MD_FLID | OBD_MD_FLUID | OBD_MD_FLGID |
+ OBD_MD_FLCOOKIE);
+ oinfo.oi_oa->o_id = lsr->lsr_oid;
+ oinfo.oi_oa->o_gr = lsr->lsr_ogen;
+ oinfo.oi_oa->o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
+ oinfo.oi_oa->o_uid = lsr->lsr_uid;
+ oinfo.oi_oa->o_gid = lsr->lsr_gid;
+ memcpy(obdo_logcookie(oinfo.oi_oa), cookie, sizeof(*cookie));
+ oid = oinfo.oi_oa->o_id;
+
+ rc = filter_setattr(exp, &oinfo, NULL);
+ OBDO_FREE(oinfo.oi_oa);
+
+ if (rc == -ENOENT) {
+ CDEBUG(D_HA, "object already removed, send cookie\n");
+ llog_cancel(ctxt, NULL, 1, cookie, 0);
+ RETURN(0);
+ }
+
+ if (rc == 0)
+ CDEBUG(D_HA, "object: "LPU64" in record is chown/chgrp\n", oid);
+
+ RETURN(rc);
+}
+
+int filter_recov_log_mds_ost_cb(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 (!(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN)) {
+ CERROR("log is not plain\n");
+ RETURN(-EINVAL);
+ }
+
+ 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_SETATTR_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(ctxt, NULL, 1, &cookie, 0);
+ RETURN(rc);
+ }
+ break;
+ default:
+ CERROR("log record type %08x unknown\n", rec->lrh_type);
+ RETURN(-EINVAL);
+ break;
+ }
+
+ RETURN(rc);
+}