/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2004-2005 Cluster File Systems, Inc.
- * Author: jacob berkman <jacob@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
+ *
+ * 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_swab.c
*
* Swabbing of llog datatypes (from disk or over the wire).
*
+ * Author: jacob berkman <jacob@clusterfs.com>
*/
#define DEBUG_SUBSYSTEM S_LOG
}
EXPORT_SYMBOL(lustre_swab_ll_fid);
+void lustre_swab_lu_fid(struct lu_fid *fid)
+{
+ __swab64s (&fid->f_seq);
+ __swab32s (&fid->f_oid);
+ __swab32s (&fid->f_ver);
+}
+EXPORT_SYMBOL(lustre_swab_lu_fid);
+
+void lustre_swab_lu_seq_range(struct lu_seq_range *range)
+{
+ __swab64s (&range->lsr_start);
+ __swab64s (&range->lsr_end);
+ __swab32s (&range->lsr_mdt);
+}
+EXPORT_SYMBOL(lustre_swab_lu_seq_range);
+
void lustre_swab_llog_rec(struct llog_rec_hdr *rec, struct llog_rec_tail *tail)
{
__swab32s(&rec->lrh_len);
(struct llog_size_change_rec *)rec;
lustre_swab_ll_fid(&lsc->lsc_fid);
- __swab32s(&lsc->lsc_io_epoch);
-
+ __swab32s(&lsc->lsc_ioepoch);
break;
}
struct llog_unlink_rec *lur = (struct llog_unlink_rec *)rec;
__swab64s(&lur->lur_oid);
- __swab32s(&lur->lur_ogen);
-
+ __swab32s(&lur->lur_ogr);
+ __swab32s(&lur->lur_count);
break;
}
struct llog_setattr_rec *lsr = (struct llog_setattr_rec *)rec;
__swab64s(&lsr->lsr_oid);
- __swab32s(&lsr->lsr_ogen);
+ __swab32s(&lsr->lsr_ogr);
+ __swab32s(&lsr->lsr_uid);
+ __swab32s(&lsr->lsr_gid);
+ break;
+ }
+
+ case CHANGELOG_REC: {
+ struct llog_changelog_rec *cr = (struct llog_changelog_rec*)rec;
+
+ __swab16s(&cr->cr.cr_namelen);
+ __swab16s(&cr->cr.cr_flags);
+ __swab32s(&cr->cr.cr_type);
+ __swab64s(&cr->cr.cr_index);
+ __swab64s(&cr->cr.cr_prev);
+ __swab64s(&cr->cr.cr_time);
+ lustre_swab_lu_fid(&cr->cr.cr_tfid);
+ lustre_swab_lu_fid(&cr->cr.cr_pfid);
+ break;
+ }
+
+ case CHANGELOG_USER_REC: {
+ struct llog_changelog_user_rec *cur =
+ (struct llog_changelog_user_rec*)rec;
+
+ __swab32s(&cur->cur_id);
+ __swab64s(&cur->cur_endrec);
+ break;
+ }
+
+ case MDS_SETATTR64_REC: {
+ struct llog_setattr64_rec *lsr = (struct llog_setattr64_rec *)rec;
+
+ __swab64s(&lsr->lsr_oid);
+ __swab32s(&lsr->lsr_ogr);
__swab32s(&lsr->lsr_uid);
__swab32s(&lsr->lsr_gid);
}
case OBD_CFG_REC:
- case PTL_CFG_REC: /* obsolete */
/* these are swabbed as they are consumed */
break;
__swab32s(&llh->llh_tail.lrt_index);
__swab32s(&llh->llh_tail.lrt_len);
}
-
break;
}
__swab32s(&lid->lid_id.lgl_ogen);
break;
}
-
case LLOG_PAD_MAGIC:
- /* ignore old pad records of type 0 */
- case 0:
break;
default:
return;
}
EXPORT_SYMBOL(lustre_swab_lustre_cfg);
+
+/* used only for compatibility with old on-disk cfg_marker data */
+struct cfg_marker32 {
+ __u32 cm_step;
+ __u32 cm_flags;
+ __u32 cm_vers;
+ __u32 padding;
+ __u32 cm_createtime;
+ __u32 cm_canceltime;
+ char cm_tgtname[MTI_NAME_MAXLEN];
+ char cm_comment[MTI_NAME_MAXLEN];
+};
+
+#define MTI_NAMELEN32 (MTI_NAME_MAXLEN - \
+ (sizeof(struct cfg_marker) - sizeof(struct cfg_marker32)))
+
+void lustre_swab_cfg_marker(struct cfg_marker *marker, int swab, int size)
+{
+ struct cfg_marker32 *cm32 = (struct cfg_marker32*)marker;
+ ENTRY;
+
+ if (swab) {
+ __swab32s(&marker->cm_step);
+ __swab32s(&marker->cm_flags);
+ __swab32s(&marker->cm_vers);
+ }
+ if (size == sizeof(*cm32)) {
+ __u32 createtime, canceltime;
+ /* There was a problem with the original declaration of
+ * cfg_marker on 32-bit systems because it used time_t as
+ * a wire protocol structure, and didn't verify this in
+ * wirecheck. We now have to convert the offsets of the
+ * later fields in order to work on 32- and 64-bit systems.
+ *
+ * Fortunately, the cm_comment field has no functional use
+ * so can be sacrificed when converting the timestamp size.
+ *
+ * Overwrite fields from the end first, so they are not
+ * clobbered, and use memmove() instead of memcpy() because
+ * the source and target buffers overlap. bug 16771 */
+ createtime = cm32->cm_createtime;
+ canceltime = cm32->cm_canceltime;
+ memmove(marker->cm_comment, cm32->cm_comment, MTI_NAMELEN32);
+ marker->cm_comment[MTI_NAMELEN32 - 1] = '\0';
+ memmove(marker->cm_tgtname, cm32->cm_tgtname,
+ sizeof(marker->cm_tgtname));
+ if (swab) {
+ __swab32s(&createtime);
+ __swab32s(&canceltime);
+ }
+ marker->cm_createtime = createtime;
+ marker->cm_canceltime = canceltime;
+ CDEBUG(D_CONFIG, "Find old cfg_marker(Srv32b,Clt64b) "
+ "for target %s, converting\n",
+ marker->cm_tgtname);
+ } else if (swab) {
+ __swab64s(&marker->cm_createtime);
+ __swab64s(&marker->cm_canceltime);
+ }
+
+ EXIT;
+ return;
+}
+EXPORT_SYMBOL(lustre_swab_cfg_marker);