* 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_MDS
+#ifdef HAVE_KERNEL_CONFIG_H
#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_mds.h>
+#include <lustre_commit_confd.h>
+#include <lustre_log.h>
#include "mds_internal.h"
-static int mds_llog_origin_add(struct llog_ctxt *ctxt, struct llog_rec_hdr *rec,
- void *buf, struct llog_cookie *logcookies,
- int numcookies, void *data,
- struct rw_semaphore **lock, int *lock_count)
+static int mds_llog_origin_add(struct llog_ctxt *ctxt,
+ struct llog_rec_hdr *rec, struct lov_stripe_md *lsm,
+ struct llog_cookie *logcookies, int numcookies)
{
struct obd_device *obd = ctxt->loc_obd;
- struct obd_device *lov_obd = obd->u.mds.mds_dt_obd;
+ struct obd_device *lov_obd = obd->u.mds.mds_osc_obd;
struct llog_ctxt *lctxt;
int rc;
ENTRY;
- lctxt = llog_get_context(&lov_obd->obd_llogs, ctxt->loc_idx);
- rc = llog_add(lctxt, rec, buf, logcookies, numcookies, data,
- lock, lock_count);
+ lctxt = llog_get_context(lov_obd, ctxt->loc_idx);
+ rc = llog_add(lctxt, rec, lsm, logcookies, numcookies);
RETURN(rc);
}
static int mds_llog_origin_connect(struct llog_ctxt *ctxt, int count,
struct llog_logid *logid,
- struct llog_gen *gen, struct obd_uuid *uuid)
+ struct llog_gen *gen,
+ struct obd_uuid *uuid)
{
struct obd_device *obd = ctxt->loc_obd;
- struct obd_device *lov_obd = obd->u.mds.mds_dt_obd;
+ struct obd_device *lov_obd = obd->u.mds.mds_osc_obd;
struct llog_ctxt *lctxt;
int rc;
ENTRY;
- lctxt = llog_get_context(&lov_obd->obd_llogs, ctxt->loc_idx);
+ lctxt = llog_get_context(lov_obd, ctxt->loc_idx);
rc = llog_connect(lctxt, count, logid, gen, uuid);
RETURN(rc);
}
-static int mds_llog_repl_cancel(struct llog_ctxt *ctxt, int count,
- struct llog_cookie *cookies, int flags,
- void *data)
+static int mds_llog_repl_cancel(struct llog_ctxt *ctxt, struct lov_stripe_md *lsm,
+ int count, struct llog_cookie *cookies, int flags)
{
struct obd_device *obd = ctxt->loc_obd;
- struct obd_device *lov_obd = obd->u.mds.mds_dt_obd;
+ struct obd_device *lov_obd = obd->u.mds.mds_osc_obd;
struct llog_ctxt *lctxt;
int rc;
ENTRY;
- lctxt = llog_get_context(&lov_obd->obd_llogs, ctxt->loc_idx);
- rc = llog_cancel(lctxt, count, cookies, flags, data);
+ lctxt = llog_get_context(lov_obd, ctxt->loc_idx);
+ rc = llog_cancel(lctxt, lsm, count, cookies, flags);
RETURN(rc);
}
-int mds_log_op_unlink(struct obd_device *obd, struct inode *inode,
+int mds_log_op_unlink(struct obd_device *obd,
struct lov_mds_md *lmm, int lmm_size,
- struct llog_cookie *logcookies, int cookies_size,
- struct llog_create_locks **res)
+ struct llog_cookie *logcookies, int cookies_size)
{
struct mds_obd *mds = &obd->u.mds;
struct lov_stripe_md *lsm = NULL;
+ struct llog_unlink_rec *lur;
struct llog_ctxt *ctxt;
- struct llog_create_locks *lcl = NULL;
- int rc, size = 0,offset = offsetof(struct llog_create_locks, lcl_locks);
- int lock_count = 0;
+ int rc;
ENTRY;
- if (IS_ERR(mds->mds_dt_obd))
- RETURN(PTR_ERR(mds->mds_dt_obd));
-
- RETURN(0);
+ if (IS_ERR(mds->mds_osc_obd))
+ RETURN(PTR_ERR(mds->mds_osc_obd));
- rc = obd_unpackmd(mds->mds_dt_exp, &lsm, lmm, lmm_size);
+ rc = obd_unpackmd(mds->mds_osc_exp, &lsm, lmm, lmm_size);
if (rc < 0)
RETURN(rc);
+ rc = obd_checkmd(mds->mds_osc_exp, obd->obd_self_export, lsm);
+ if (rc)
+ GOTO(out, rc);
+ /* first prepare unlink log record */
+ OBD_ALLOC(lur, sizeof(*lur));
+ if (!lur)
+ GOTO(out, rc = -ENOMEM);
+ lur->lur_hdr.lrh_len = lur->lur_tail.lrt_len = sizeof(*lur);
+ lur->lur_hdr.lrh_type = MDS_UNLINK_REC;
+
+ ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
+ rc = llog_add(ctxt, &lur->lur_hdr, lsm, logcookies,
+ cookies_size / sizeof(struct llog_cookie));
+
+ OBD_FREE(lur, sizeof(*lur));
+out:
+ obd_free_memmd(mds->mds_osc_exp, &lsm);
+ RETURN(rc);
+}
- if (res != NULL) {
- size = offset +
- sizeof(struct rw_semaphore *) * lsm->lsm_stripe_count;
- OBD_ALLOC(lcl, size);
- if (lcl == NULL)
- RETURN(-ENOMEM);
-
- lcl->lcl_count = lsm->lsm_stripe_count;
- *res = lcl;
- }
-
- ctxt = llog_get_context(&obd->obd_llogs, LLOG_UNLINK_ORIG_CTXT);
- rc = llog_add(ctxt, NULL, lsm, logcookies,
- cookies_size / sizeof(struct llog_cookie), NULL,
- res ? &lcl->lcl_locks[0] : NULL, &lock_count);
+int mds_log_op_setattr(struct obd_device *obd, struct inode *inode,
+ struct lov_mds_md *lmm, int lmm_size,
+ struct llog_cookie *logcookies, int cookies_size)
+{
+ struct mds_obd *mds = &obd->u.mds;
+ struct lov_stripe_md *lsm = NULL;
+ struct llog_setattr_rec *lsr;
+ struct llog_ctxt *ctxt;
+ int rc;
+ ENTRY;
- obd_free_memmd(mds->mds_dt_exp, &lsm);
+ if (IS_ERR(mds->mds_osc_obd))
+ RETURN(PTR_ERR(mds->mds_osc_obd));
- if (res && (rc <= 0 || lock_count == 0)) {
- OBD_FREE(lcl, size);
- *res = NULL;
- }
+ rc = obd_unpackmd(mds->mds_osc_exp, &lsm, lmm, lmm_size);
+ if (rc < 0)
+ RETURN(rc);
+ rc = obd_checkmd(mds->mds_osc_exp, obd->obd_self_export, lsm);
+ if (rc)
+ GOTO(out, rc);
+
+ OBD_ALLOC(lsr, sizeof(*lsr));
+ if (!lsr)
+ GOTO(out, rc = -ENOMEM);
+
+ /* prepare setattr log record */
+ lsr->lsr_hdr.lrh_len = lsr->lsr_tail.lrt_len = sizeof(*lsr);
+ lsr->lsr_hdr.lrh_type = MDS_SETATTR_REC;
+ lsr->lsr_uid = inode->i_uid;
+ lsr->lsr_gid = inode->i_gid;
+
+ /* write setattr log */
+ ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
+ rc = llog_add(ctxt, &lsr->lsr_hdr, lsm, logcookies,
+ cookies_size / sizeof(struct llog_cookie));
+
+ OBD_FREE(lsr, sizeof(*lsr));
+ out:
+ obd_free_memmd(mds->mds_osc_exp, &lsm);
RETURN(rc);
}
-static struct llog_operations mds_unlink_orig_logops = {
+static struct llog_operations mds_ost_orig_logops = {
lop_add: mds_llog_origin_add,
lop_connect: mds_llog_origin_connect,
};
lop_cancel: mds_llog_repl_cancel,
};
-int mds_llog_init(struct obd_device *obd, struct obd_llogs *llogs,
- struct obd_device *tgt, int count, struct llog_catid *logid)
+int mds_llog_init(struct obd_device *obd, struct obd_device *tgt,
+ int count, struct llog_catid *logid, struct obd_uuid *uuid)
{
- struct obd_device *lov_obd = obd->u.mds.mds_dt_obd;
+ struct obd_device *lov_obd = obd->u.mds.mds_osc_obd;
int rc;
ENTRY;
- rc = obd_llog_setup(obd, llogs, LLOG_UNLINK_ORIG_CTXT, tgt, 0, NULL,
- &mds_unlink_orig_logops);
+ rc = llog_setup(obd, LLOG_MDS_OST_ORIG_CTXT, tgt, 0, NULL,
+ &mds_ost_orig_logops);
if (rc)
RETURN(rc);
- rc = obd_llog_setup(obd, llogs, LLOG_SIZE_REPL_CTXT, tgt, 0, NULL,
- &mds_size_repl_logops);
+ rc = llog_setup(obd, LLOG_SIZE_REPL_CTXT, tgt, 0, NULL,
+ &mds_size_repl_logops);
if (rc)
RETURN(rc);
- rc = obd_llog_init(lov_obd, &lov_obd->obd_llogs, tgt, count, logid);
+ rc = obd_llog_init(lov_obd, tgt, count, logid, uuid);
if (rc)
- CERROR("error lov_llog_init\n");
+ CERROR("lov_llog_init err %d\n", rc);
RETURN(rc);
}
-int mds_llog_finish(struct obd_device *obd, struct obd_llogs *llogs, int count)
+int mds_llog_finish(struct obd_device *obd, int count)
{
- struct obd_device *lov_obd = obd->u.mds.mds_dt_obd;
- int rc;
+ struct llog_ctxt *ctxt;
+ int rc = 0, rc2 = 0;
ENTRY;
- rc = obd_llog_cleanup(llog_get_context(llogs, LLOG_UNLINK_ORIG_CTXT));
- if (rc)
- RETURN(rc);
-
- rc = obd_llog_cleanup(llog_get_context(llogs, LLOG_SIZE_REPL_CTXT));
- if (rc)
- RETURN(rc);
+ ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
+ if (ctxt)
+ rc = llog_cleanup(ctxt);
- rc = obd_llog_finish(lov_obd, &lov_obd->obd_llogs, count);
- if (rc)
- CERROR("error lov_llog_finish\n");
+ ctxt = llog_get_context(obd, LLOG_SIZE_REPL_CTXT);
+ if (ctxt)
+ rc2 = llog_cleanup(ctxt);
+ if (!rc)
+ rc = rc2;
RETURN(rc);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff