/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2001-2003 Cluster File Systems, Inc.
- * Author: Andreas Dilger <adilger@clusterfs.com>
+ * GPL HEADER START
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * 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 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.
*
- * 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.
+ * 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).
*
- * 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.
+ * 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
*
- * OST<->MDS recovery logging infrastructure.
+ * 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/obdclass/llog.c
+ *
+ * OST<->MDS recovery logging infrastructure.
* Invariants in implementation:
* - we do not share logs among different OST<->MDS connections, so that
* if an OST or MDS fails it need only look at log(s) relevant to itself
+ *
+ * Author: Andreas Dilger <adilger@clusterfs.com>
*/
#define DEBUG_SUBSYSTEM S_LOG
if (loghandle == NULL)
RETURN(ERR_PTR(-ENOMEM));
- init_rwsem(&loghandle->lgh_lock);
+ cfs_init_rwsem(&loghandle->lgh_lock);
RETURN(loghandle);
}
if (!loghandle->lgh_hdr)
goto out;
if (loghandle->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN)
- list_del_init(&loghandle->u.phd.phd_entry);
+ cfs_list_del_init(&loghandle->u.phd.phd_entry);
if (loghandle->lgh_hdr->llh_flags & LLOG_F_IS_CAT)
- LASSERT(list_empty(&loghandle->u.chd.chd_head));
+ LASSERT(cfs_list_empty(&loghandle->u.chd.chd_head));
OBD_FREE(loghandle->lgh_hdr, LLOG_CHUNK_SIZE);
out:
int rc = 0;
ENTRY;
- CDEBUG(D_RPCTRACE, "canceling %d in log "LPX64"\n",
+ CDEBUG(D_RPCTRACE, "Canceling %d in log "LPX64"\n",
index, loghandle->lgh_id.lgl_oid);
if (index == 0) {
- CERROR("cannot cancel index 0 (which is header)\n");
+ CERROR("Can't cancel index 0 which is header\n");
RETURN(-EINVAL);
}
if (!ext2_clear_bit(index, llh->llh_bitmap)) {
- CDEBUG(D_RPCTRACE, "catalog index %u already clear?\n", index);
- RETURN(-EINVAL);
+ CDEBUG(D_RPCTRACE, "Catalog index %u already clear?\n", index);
+ RETURN(-ENOENT);
}
llh->llh_count--;
(loghandle->lgh_last_idx == (LLOG_BITMAP_BYTES * 8) - 1)) {
rc = llog_destroy(loghandle);
if (rc) {
- CERROR("failure destroying log after last cancel: %d\n",
+ CERROR("Failure destroying log after last cancel: %d\n",
rc);
ext2_set_bit(index, llh->llh_bitmap);
llh->llh_count++;
rc = llog_write_rec(loghandle, &llh->llh_hdr, NULL, 0, NULL, 0);
if (rc) {
- CERROR("failure re-writing header %d\n", rc);
+ CERROR("Failure re-writing header %d\n", rc);
ext2_set_bit(index, llh->llh_bitmap);
llh->llh_count++;
}
if (!buf) {
lpi->lpi_rc = -ENOMEM;
#ifdef __KERNEL__
- complete(&lpi->lpi_completion);
+ cfs_complete(&lpi->lpi_completion);
#endif
return 0;
}
- cfs_daemonize_ctxt("llog_process_thread");
+ if (!(lpi->lpi_flags & LLOG_FLAG_NODEAMON))
+ cfs_daemonize_ctxt("llog_process_thread");
if (cd != NULL) {
- last_called_index = cd->first_idx;
- index = cd->first_idx + 1;
+ last_called_index = cd->lpcd_first_idx;
+ index = cd->lpcd_first_idx + 1;
}
- if (cd != NULL && cd->last_idx)
- last_index = cd->last_idx;
+ if (cd != NULL && cd->lpcd_last_idx)
+ last_index = cd->lpcd_last_idx;
else
last_index = LLOG_BITMAP_BYTES * 8 - 1;
lpi->lpi_cbdata);
last_called_index = index;
if (rc == LLOG_PROC_BREAK) {
- CDEBUG(D_HA, "recovery from log: "LPX64
- ":%x stopped\n",
- loghandle->lgh_id.lgl_oid,
- loghandle->lgh_id.lgl_ogen);
GOTO(out, rc);
} else if (rc == LLOG_DEL_RECORD) {
llog_cancel_rec(loghandle,
out:
if (cd != NULL)
- cd->last_idx = last_called_index;
+ cd->lpcd_last_idx = last_called_index;
if (buf)
OBD_FREE(buf, LLOG_CHUNK_SIZE);
lpi->lpi_rc = rc;
#ifdef __KERNEL__
- complete(&lpi->lpi_completion);
+ cfs_complete(&lpi->lpi_completion);
#endif
return 0;
}
-int llog_process(struct llog_handle *loghandle, llog_cb_t cb,
- void *data, void *catdata)
+int llog_process_flags(struct llog_handle *loghandle, llog_cb_t cb,
+ void *data, void *catdata, int flags)
{
struct llog_process_info *lpi;
int rc;
lpi->lpi_cb = cb;
lpi->lpi_cbdata = data;
lpi->lpi_catdata = catdata;
+ lpi->lpi_flags = flags;
#ifdef __KERNEL__
- init_completion(&lpi->lpi_completion);
+ cfs_init_completion(&lpi->lpi_completion);
rc = cfs_kernel_thread(llog_process_thread, lpi, CLONE_VM | CLONE_FILES);
if (rc < 0) {
CERROR("cannot start thread: %d\n", rc);
OBD_FREE_PTR(lpi);
RETURN(rc);
}
- wait_for_completion(&lpi->lpi_completion);
+ cfs_wait_for_completion(&lpi->lpi_completion);
#else
llog_process_thread(lpi);
#endif
OBD_FREE_PTR(lpi);
RETURN(rc);
}
+EXPORT_SYMBOL(llog_process_flags);
+
+int llog_process(struct llog_handle *loghandle, llog_cb_t cb,
+ void *data, void *catdata)
+{
+ return llog_process_flags(loghandle, cb, data, catdata, 0);
+}
EXPORT_SYMBOL(llog_process);
inline int llog_get_size(struct llog_handle *loghandle)
RETURN(-ENOMEM);
if (cd != NULL)
- first_index = cd->first_idx + 1;
- if (cd != NULL && cd->last_idx)
- index = cd->last_idx;
+ first_index = cd->lpcd_first_idx + 1;
+ if (cd != NULL && cd->lpcd_last_idx)
+ index = cd->lpcd_last_idx;
else
index = LLOG_BITMAP_BYTES * 8 - 1;
if (ext2_test_bit(index, llh->llh_bitmap)) {
rc = cb(loghandle, rec, data);
if (rc == LLOG_PROC_BREAK) {
- CWARN("recovery from log: "LPX64":%x"
- " stopped\n",
- loghandle->lgh_id.lgl_oid,
- loghandle->lgh_id.lgl_ogen);
GOTO(out, rc);
}
if (rc)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff