Whamcloud - gitweb
LU-3302 llog: Do not use ostid swab for llogid
[fs/lustre-release.git] / lustre / obdclass / llog_swab.c
index b966fb5..10c6225 100644 (file)
@@ -1,37 +1,58 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
  *
- *  Copyright (C) 2004-2005 Cluster File Systems, Inc.
- *   Author: jacob berkman  <jacob@clusterfs.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
- *   This file is part of Lustre, http://www.lustre.org.
+ * 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.
  *
- *   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.
+ * 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 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.
+ * 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
  *
- *   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.
+ * 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 (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2013, Intel Corporation.
+ */
+/*
+ * 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
 
-#include <linux/lustre_log.h>
+#ifndef __KERNEL__
+#include <liblustre.h>
+#endif
+
+#include <lustre_log.h>
 
 static void print_llogd_body(struct llogd_body *d)
 {
         CDEBUG(D_OTHER, "llogd body: %p\n", d);
-        CDEBUG(D_OTHER, "\tlgd_logid.lgl_oid: "LPX64"\n", d->lgd_logid.lgl_oid);
-        CDEBUG(D_OTHER, "\tlgd_logid.lgl_ogr: "LPX64"\n", d->lgd_logid.lgl_ogr);
+        CDEBUG(D_OTHER, "\tlgd_logid.lgl_oi: "DOSTID"\n",
+              POSTID(&d->lgd_logid.lgl_oi));
         CDEBUG(D_OTHER, "\tlgd_logid.lgl_ogen: %#x\n", d->lgd_logid.lgl_ogen);
         CDEBUG(D_OTHER, "\tlgd_ctxt_idx: %#x\n", d->lgd_ctxt_idx);
         CDEBUG(D_OTHER, "\tlgd_llh_flags: %#x\n", d->lgd_llh_flags);
@@ -41,13 +62,38 @@ static void print_llogd_body(struct llogd_body *d)
         CDEBUG(D_OTHER, "\tlgd_cur_offset: "LPX64"\n", d->lgd_cur_offset);
 }
 
+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_ost_id(struct ost_id *oid)
+{
+       if (fid_seq_is_mdt0(oid->oi.oi_seq)) {
+               __swab64s(&oid->oi.oi_id);
+               __swab64s(&oid->oi.oi_seq);
+       } else {
+               lustre_swab_lu_fid(&oid->oi_fid);
+       }
+}
+EXPORT_SYMBOL(lustre_swab_ost_id);
+
+void lustre_swab_llog_id(struct llog_logid *log_id)
+{ 
+       __swab64s(&log_id->lgl_oi.oi.oi_id);
+       __swab64s(&log_id->lgl_oi.oi.oi_seq);
+        __swab32s(&log_id->lgl_ogen);
+}
+EXPORT_SYMBOL(lustre_swab_llog_id);
+
 void lustre_swab_llogd_body (struct llogd_body *d)
 {
         ENTRY;
         print_llogd_body(d);
-        __swab64s (&d->lgd_logid.lgl_oid);
-        __swab64s (&d->lgd_logid.lgl_ogr);
-        __swab32s (&d->lgd_logid.lgl_ogen);
+       lustre_swab_llog_id(&d->lgd_logid);
         __swab32s (&d->lgd_ctxt_idx);
         __swab32s (&d->lgd_llh_flags);
         __swab32s (&d->lgd_index);
@@ -63,95 +109,197 @@ void lustre_swab_llogd_conn_body (struct llogd_conn_body *d)
 {
         __swab64s (&d->lgdc_gen.mnt_cnt);
         __swab64s (&d->lgdc_gen.conn_cnt);
-        __swab64s (&d->lgdc_logid.lgl_oid);
-        __swab64s (&d->lgdc_logid.lgl_ogr);
-        __swab32s (&d->lgdc_logid.lgl_ogen);
+       lustre_swab_llog_id(&d->lgdc_logid);
         __swab32s (&d->lgdc_ctxt_idx);
 }
 EXPORT_SYMBOL(lustre_swab_llogd_conn_body);
 
-void lustre_swab_llog_hdr (struct llog_log_hdr *h)
+void lustre_swab_ll_fid(struct ll_fid *fid)
 {
-        __swab32s (&h->llh_hdr.lrh_index);
-        __swab32s (&h->llh_hdr.lrh_len);
-        __swab32s (&h->llh_hdr.lrh_type);
-        __swab64s (&h->llh_timestamp);
-        __swab32s (&h->llh_count);
-        __swab32s (&h->llh_bitmap_offset);
-        __swab32s (&h->llh_flags);
-        __swab32s (&h->llh_tail.lrt_index);
-        __swab32s (&h->llh_tail.lrt_len);
+        __swab64s (&fid->id);
+        __swab32s (&fid->generation);
+        __swab32s (&fid->f_type);
 }
-EXPORT_SYMBOL(lustre_swab_llog_hdr);
+EXPORT_SYMBOL(lustre_swab_ll_fid);
 
-#define PRINT_PCFG32(x) CDEBUG(D_OTHER, "\tpcfg->pcfg_"#x": %#x\n", pcfg->pcfg_##x)
-#define PRINT_PCFG64(x) CDEBUG(D_OTHER, "\tpcfg->pcfg_"#x": "LPX64"\n", pcfg->pcfg_##x)
+void lustre_swab_lu_seq_range(struct lu_seq_range *range)
+{
+        __swab64s (&range->lsr_start);
+        __swab64s (&range->lsr_end);
+        __swab32s (&range->lsr_index);
+        __swab32s (&range->lsr_flags);
+}
+EXPORT_SYMBOL(lustre_swab_lu_seq_range);
 
-static void print_portals_cfg(struct portals_cfg *pcfg)
+void lustre_swab_llog_rec(struct llog_rec_hdr *rec)
 {
-        ENTRY;
+       struct llog_rec_tail *tail = NULL;
 
-        if (!(portal_debug & D_OTHER)) /* don't loop on nothing */
-                return;
-        CDEBUG(D_OTHER, "portals_cfg: %p\n", pcfg);
-        PRINT_PCFG32(version);
-        PRINT_PCFG32(command);
-
-        PRINT_PCFG32(nal);
-        PRINT_PCFG32(flags);
-
-        PRINT_PCFG32(gw_nal);
-        PRINT_PCFG64(nid);
-        PRINT_PCFG64(nid2);
-        PRINT_PCFG64(nid3);
-        PRINT_PCFG32(id);
-        PRINT_PCFG32(misc);
-        PRINT_PCFG32(fd);
-        PRINT_PCFG32(count);
-        PRINT_PCFG32(size);
-        PRINT_PCFG32(wait);
-
-        PRINT_PCFG32(plen1);
-        PRINT_PCFG32(plen2);
+        __swab32s(&rec->lrh_len);
+        __swab32s(&rec->lrh_index);
+        __swab32s(&rec->lrh_type);
+       __swab32s(&rec->lrh_id);
 
-        EXIT;
-}
+        switch (rec->lrh_type) {
+       case OST_SZ_REC:
+       {
+                struct llog_size_change_rec *lsc =
+                        (struct llog_size_change_rec *)rec;
 
-void lustre_swab_portals_cfg(struct portals_cfg *pcfg)
-{
-        ENTRY;
+                lustre_swab_ll_fid(&lsc->lsc_fid);
+                __swab32s(&lsc->lsc_ioepoch);
+               tail = &lsc->lsc_tail;
+                break;
+        }
+       case MDS_UNLINK_REC:
+       {
+                struct llog_unlink_rec *lur = (struct llog_unlink_rec *)rec;
+
+                __swab64s(&lur->lur_oid);
+                __swab32s(&lur->lur_oseq);
+                __swab32s(&lur->lur_count);
+               tail = &lur->lur_tail;
+                break;
+        }
+       case MDS_UNLINK64_REC:
+       {
+               struct llog_unlink64_rec *lur =
+                       (struct llog_unlink64_rec *)rec;
+
+               lustre_swab_lu_fid(&lur->lur_fid);
+               __swab32s(&lur->lur_count);
+               tail = &lur->lur_tail;
+               break;
+       }
+       case CHANGELOG_REC:
+       {
+                struct llog_changelog_rec *cr = (struct llog_changelog_rec*)rec;
 
-        __swab32s(&pcfg->pcfg_version);
-        __swab32s(&pcfg->pcfg_command);
+                __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);
+               if (CHANGELOG_REC_EXTENDED(&cr->cr)) {
+                       struct llog_changelog_ext_rec *ext =
+                               (struct llog_changelog_ext_rec *)rec;
 
-        __swab32s(&pcfg->pcfg_nal);
-        __swab32s(&pcfg->pcfg_flags);
+                       lustre_swab_lu_fid(&ext->cr.cr_sfid);
+                       lustre_swab_lu_fid(&ext->cr.cr_spfid);
+                       tail = &ext->cr_tail;
+               } else {
+                       tail = &cr->cr_tail;
+               }
+                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);
+               tail = &cur->cur_tail;
+                break;
+        }
 
-        __swab32s(&pcfg->pcfg_gw_nal);
-        __swab64s(&pcfg->pcfg_nid);
-        __swab64s(&pcfg->pcfg_nid2);
-        __swab64s(&pcfg->pcfg_nid3);
-        __swab32s(&pcfg->pcfg_id);
-        __swab32s(&pcfg->pcfg_misc);
-        __swab32s(&pcfg->pcfg_fd);
-        __swab32s(&pcfg->pcfg_count);
-        __swab32s(&pcfg->pcfg_size);
-        __swab32s(&pcfg->pcfg_wait);
+       case MDS_SETATTR64_REC:
+       {
+               struct llog_setattr64_rec *lsr =
+                       (struct llog_setattr64_rec *)rec;
 
-        __swab32s(&pcfg->pcfg_plen1);
-        __swab32s(&pcfg->pcfg_plen2);
+               lustre_swab_ost_id(&lsr->lsr_oi);
+               __swab32s(&lsr->lsr_uid);
+               __swab32s(&lsr->lsr_uid_h);
+               __swab32s(&lsr->lsr_gid);
+               __swab32s(&lsr->lsr_gid_h);
+               tail = &lsr->lsr_tail;
+               break;
+        }
+        case OBD_CFG_REC:
+                /* these are swabbed as they are consumed */
+                break;
+       case LLOG_HDR_MAGIC:
+       {
+                struct llog_log_hdr *llh = (struct llog_log_hdr *)rec;
 
-        print_portals_cfg(pcfg);
+                __swab64s(&llh->llh_timestamp);
+                __swab32s(&llh->llh_count);
+                __swab32s(&llh->llh_bitmap_offset);
+                __swab32s(&llh->llh_flags);
+                __swab32s(&llh->llh_size);
+                __swab32s(&llh->llh_cat_idx);
+               tail = &llh->llh_tail;
+                break;
+        }
+       case LLOG_LOGID_MAGIC:
+       {
+               struct llog_logid_rec *lid = (struct llog_logid_rec *)rec;
+
+               lustre_swab_llog_id(&lid->lid_id);
+               tail = &lid->lid_tail;
+               break;
+       }
+       case LLOG_GEN_REC:
+       {
+               struct llog_gen_rec *lgr = (struct llog_gen_rec *)rec;
+
+               __swab64s(&lgr->lgr_gen.mnt_cnt);
+               __swab64s(&lgr->lgr_gen.conn_cnt);
+               tail = &lgr->lgr_tail;
+               break;
+       }
+        case LLOG_PAD_MAGIC:
+                break;
+        default:
+                CERROR("Unknown llog rec type %#x swabbing rec %p\n",
+                       rec->lrh_type, rec);
+        }
+
+        if (tail) {
+                __swab32s(&tail->lrt_len);
+                __swab32s(&tail->lrt_index);
+        }
+}
+EXPORT_SYMBOL(lustre_swab_llog_rec);
+
+static void print_llog_hdr(struct llog_log_hdr *h)
+{
+        CDEBUG(D_OTHER, "llog header: %p\n", h);
+        CDEBUG(D_OTHER, "\tllh_hdr.lrh_index: %#x\n", h->llh_hdr.lrh_index);
+        CDEBUG(D_OTHER, "\tllh_hdr.lrh_len: %#x\n", h->llh_hdr.lrh_len);
+        CDEBUG(D_OTHER, "\tllh_hdr.lrh_type: %#x\n", h->llh_hdr.lrh_type);
+        CDEBUG(D_OTHER, "\tllh_timestamp: "LPX64"\n", h->llh_timestamp);
+        CDEBUG(D_OTHER, "\tllh_count: %#x\n", h->llh_count);
+        CDEBUG(D_OTHER, "\tllh_bitmap_offset: %#x\n", h->llh_bitmap_offset);
+        CDEBUG(D_OTHER, "\tllh_flags: %#x\n", h->llh_flags);
+        CDEBUG(D_OTHER, "\tllh_size: %#x\n", h->llh_size);
+        CDEBUG(D_OTHER, "\tllh_cat_idx: %#x\n", h->llh_cat_idx);
+        CDEBUG(D_OTHER, "\tllh_tail.lrt_index: %#x\n", h->llh_tail.lrt_index);
+        CDEBUG(D_OTHER, "\tllh_tail.lrt_len: %#x\n", h->llh_tail.lrt_len);
+}
+
+void lustre_swab_llog_hdr (struct llog_log_hdr *h)
+{
+        ENTRY;
+        print_llog_hdr(h);
+
+       lustre_swab_llog_rec(&h->llh_hdr);
+
+        print_llog_hdr(h);
         EXIT;
 }
-EXPORT_SYMBOL(lustre_swab_portals_cfg);
+EXPORT_SYMBOL(lustre_swab_llog_hdr);
 
 static void print_lustre_cfg(struct lustre_cfg *lcfg)
 {
         int i;
         ENTRY;
 
-        if (!(portal_debug & D_OTHER)) /* don't loop on nothing */
+        if (!(libcfs_debug & D_OTHER)) /* don't loop on nothing */
                 return;
         CDEBUG(D_OTHER, "lustre_cfg: %p\n", lcfg);
         CDEBUG(D_OTHER, "\tlcfg->lcfg_version: %#x\n", lcfg->lcfg_version);
@@ -159,8 +307,7 @@ static void print_lustre_cfg(struct lustre_cfg *lcfg)
         CDEBUG(D_OTHER, "\tlcfg->lcfg_command: %#x\n", lcfg->lcfg_command);
         CDEBUG(D_OTHER, "\tlcfg->lcfg_num: %#x\n", lcfg->lcfg_num);
         CDEBUG(D_OTHER, "\tlcfg->lcfg_flags: %#x\n", lcfg->lcfg_flags);
-        CDEBUG(D_OTHER, "\tlcfg->lcfg_nid: "LPX64"\n", lcfg->lcfg_nid);
-        CDEBUG(D_OTHER, "\tlcfg->lcfg_nal: %#x\n", lcfg->lcfg_nal);
+        CDEBUG(D_OTHER, "\tlcfg->lcfg_nid: %s\n", libcfs_nid2str(lcfg->lcfg_nid));
 
         CDEBUG(D_OTHER, "\tlcfg->lcfg_bufcount: %d\n", lcfg->lcfg_bufcount);
         if (lcfg->lcfg_bufcount < LUSTRE_CFG_MAX_BUFCOUNT)
@@ -185,12 +332,9 @@ void lustre_swab_lustre_cfg(struct lustre_cfg *lcfg)
         }
 
         __swab32s(&lcfg->lcfg_command);
-
         __swab32s(&lcfg->lcfg_num);
         __swab32s(&lcfg->lcfg_flags);
         __swab64s(&lcfg->lcfg_nid);
-        __swab32s(&lcfg->lcfg_nal);
-
         __swab32s(&lcfg->lcfg_bufcount);
         for (i = 0; i < lcfg->lcfg_bufcount && i < LUSTRE_CFG_MAX_BUFCOUNT; i++)
                 __swab32s(&lcfg->lcfg_buflens[i]);
@@ -200,3 +344,67 @@ void lustre_swab_lustre_cfg(struct lustre_cfg *lcfg)
         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);