- __swab32s(&rec->lrh_len);
- __swab32s(&rec->lrh_index);
- __swab32s(&rec->lrh_type);
-
- switch (rec->lrh_type) {
- case OST_SZ_REC: {
- struct llog_size_change_rec *lsc =
- (struct llog_size_change_rec *)rec;
-
- lustre_swab_ll_fid(&lsc->lsc_fid);
- __swab32s(&lsc->lsc_ioepoch);
- break;
- }
-
- case OST_RAID1_REC:
- break;
-
- case MDS_UNLINK_REC: {
- struct llog_unlink_rec *lur = (struct llog_unlink_rec *)rec;
-
- __swab64s(&lur->lur_oid);
- __swab32s(&lur->lur_ogr);
- __swab32s(&lur->lur_count);
- break;
- }
-
- case MDS_SETATTR_REC: {
- struct llog_setattr_rec *lsr = (struct llog_setattr_rec *)rec;
-
- __swab64s(&lsr->lsr_oid);
- __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);
-
- 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;
-
- __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);
- if (tail != &llh->llh_tail) {
- __swab32s(&llh->llh_tail.lrt_index);
- __swab32s(&llh->llh_tail.lrt_len);
- }
- break;
- }
-
- case LLOG_LOGID_MAGIC: {
- struct llog_logid_rec *lid = (struct llog_logid_rec *)rec;
-
- __swab64s(&lid->lid_id.lgl_oid);
- __swab64s(&lid->lid_id.lgl_ogr);
- __swab32s(&lid->lid_id.lgl_ogen);
- 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);
- }
+ struct llog_rec_tail *tail = NULL;
+
+ __swab32s(&rec->lrh_len);
+ __swab32s(&rec->lrh_index);
+ __swab32s(&rec->lrh_type);
+ __swab32s(&rec->lrh_id);
+
+ switch (rec->lrh_type) {
+ case OST_SZ_REC:
+ {
+ struct llog_size_change_rec *lsc =
+ (struct llog_size_change_rec *)rec;
+
+ 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;
+
+ __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 (cr->cr.cr_flags & CLF_RENAME) {
+ struct changelog_ext_rename *rnm =
+ changelog_rec_rename(&cr->cr);
+
+ lustre_swab_lu_fid(&rnm->cr_sfid);
+ lustre_swab_lu_fid(&rnm->cr_spfid);
+ }
+ /*
+ * Because the tail follows a variable-length structure we need
+ * to compute its location at runtime
+ */
+ tail = (struct llog_rec_tail *)((char *)&cr->cr +
+ changelog_rec_size(&cr->cr) +
+ cr->cr.cr_namelen);
+ 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);
+ __swab32s(&cur->cur_time);
+ tail = &cur->cur_tail;
+ break;
+ }
+
+ case HSM_AGENT_REC: {
+ struct llog_agent_req_rec *arr =
+ (struct llog_agent_req_rec *)rec;
+
+ __swab32s(&arr->arr_hai.hai_len);
+ __swab32s(&arr->arr_hai.hai_action);
+ lustre_swab_lu_fid(&arr->arr_hai.hai_fid);
+ lustre_swab_lu_fid(&arr->arr_hai.hai_dfid);
+ __swab64s(&arr->arr_hai.hai_cookie);
+ __swab64s(&arr->arr_hai.hai_extent.offset);
+ __swab64s(&arr->arr_hai.hai_extent.length);
+ __swab64s(&arr->arr_hai.hai_gid);
+ /*
+ * no swabing for opaque data
+ * hai_data[0];
+ */
+ break;
+ }
+
+ case MDS_SETATTR64_REC:
+ {
+ struct llog_setattr64_rec *lsr =
+ (struct llog_setattr64_rec *)rec;
+
+ 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);
+ __swab64s(&lsr->lsr_valid);
+
+ if (rec->lrh_len > sizeof(struct llog_setattr64_rec)) {
+ struct llog_setattr64_rec_v2 *lsr2 =
+ (struct llog_setattr64_rec_v2 *)rec;
+
+ __swab32s(&lsr2->lsr_projid);
+ __swab32s(&lsr2->lsr_layout_version);
+ tail = &lsr2->lsr_tail;
+ } else {
+ 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;
+
+ __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 = LLOG_HDR_TAIL(llh);
+ 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;
+ case UPDATE_REC:
+ {
+ struct llog_update_record *lur =
+ (struct llog_update_record *)rec;
+ struct update_records *record = &lur->lur_update_rec;
+
+ __swab32s(&record->ur_flags);
+ __swab64s(&record->ur_batchid);
+ __swab64s(&record->ur_master_transno);
+ __swab32s(&record->ur_param_count);
+ __swab32s(&record->ur_update_count);
+ lustre_swab_update_ops(&record->ur_ops,
+ record->ur_update_count);
+
+ /* Compute tail location. */
+ tail = (struct llog_rec_tail *)((char *)record +
+ update_records_size(record));
+ 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);
+ }