-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* 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.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2017, 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
*
#define DEBUG_SUBSYSTEM S_LOG
-#ifndef __KERNEL__
-#include <liblustre.h>
-#endif
#include <lustre_log.h>
+#include <lustre_update.h>
+#include <llog_swab.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_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);
- CDEBUG(D_OTHER, "\tlgd_index: %#x\n", d->lgd_index);
- CDEBUG(D_OTHER, "\tlgd_saved_index: %#x\n", d->lgd_saved_index);
- CDEBUG(D_OTHER, "\tlgd_len: %#x\n", d->lgd_len);
- CDEBUG(D_OTHER, "\tlgd_cur_offset: "LPX64"\n", d->lgd_cur_offset);
+ CDEBUG(D_OTHER, "llogd body: %p\n", d);
+ CDEBUG(D_OTHER, "\tlgd_logid.lgl_oi.oi_fid: "DFID"\n",
+ PLOGID(&d->lgd_logid));
+ 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);
+ CDEBUG(D_OTHER, "\tlgd_index: %#x\n", d->lgd_index);
+ CDEBUG(D_OTHER, "\tlgd_saved_index: %#x\n", d->lgd_saved_index);
+ CDEBUG(D_OTHER, "\tlgd_len: %#x\n", d->lgd_len);
+ CDEBUG(D_OTHER, "\tlgd_cur_offset: %#llx\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) ||
+ fid_seq_is_default(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);
}
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);
- __swab32s (&d->lgd_ctxt_idx);
- __swab32s (&d->lgd_llh_flags);
- __swab32s (&d->lgd_index);
- __swab32s (&d->lgd_saved_index);
- __swab32s (&d->lgd_len);
- __swab64s (&d->lgd_cur_offset);
- print_llogd_body(d);
- EXIT;
+ ENTRY;
+ print_llogd_body(d);
+ lustre_swab_llog_id(&d->lgd_logid);
+ __swab32s(&d->lgd_ctxt_idx);
+ __swab32s(&d->lgd_llh_flags);
+ __swab32s(&d->lgd_index);
+ __swab32s(&d->lgd_saved_index);
+ __swab32s(&d->lgd_len);
+ __swab64s(&d->lgd_cur_offset);
+ print_llogd_body(d);
+ EXIT;
}
EXPORT_SYMBOL(lustre_swab_llogd_body);
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);
- __swab32s (&d->lgdc_ctxt_idx);
+ __swab64s(&d->lgdc_gen.mnt_cnt);
+ __swab64s(&d->lgdc_gen.conn_cnt);
+ lustre_swab_llog_id(&d->lgdc_logid);
+ __swab32s(&d->lgdc_ctxt_idx);
}
EXPORT_SYMBOL(lustre_swab_llogd_conn_body);
void lustre_swab_ll_fid(struct ll_fid *fid)
{
- __swab64s (&fid->id);
- __swab32s (&fid->generation);
- __swab32s (&fid->f_type);
+ __swab64s(&fid->id);
+ __swab32s(&fid->generation);
+ __swab32s(&fid->f_type);
}
-EXPORT_SYMBOL(lustre_swab_ll_fid);
-void lustre_swab_lu_fid(struct lu_fid *fid)
+void lustre_swab_lu_seq_range(struct lu_seq_range *range)
{
- __swab64s (&fid->f_seq);
- __swab32s (&fid->f_oid);
- __swab32s (&fid->f_ver);
+ __swab64s(&range->lsr_start);
+ __swab64s(&range->lsr_end);
+ __swab32s(&range->lsr_index);
+ __swab32s(&range->lsr_flags);
}
-EXPORT_SYMBOL(lustre_swab_lu_fid);
+EXPORT_SYMBOL(lustre_swab_lu_seq_range);
-void lustre_swab_lu_seq_range(struct lu_seq_range *range)
+void lustre_swab_update_ops(struct update_ops *uops, unsigned int op_count)
{
- __swab64s (&range->lsr_start);
- __swab64s (&range->lsr_end);
- __swab32s (&range->lsr_mdt);
+ unsigned int i;
+ unsigned int j;
+
+ for (i = 0; i < op_count; i++) {
+ lustre_swab_lu_fid(&uops->uops_op[i].uop_fid);
+ __swab16s(&uops->uops_op[i].uop_type);
+ __swab16s(&uops->uops_op[i].uop_param_count);
+ for (j = 0; j < uops->uops_op[i].uop_param_count; j++)
+ __swab16s(&uops->uops_op[i].uop_params_off[j]);
+ }
}
-EXPORT_SYMBOL(lustre_swab_lu_seq_range);
+EXPORT_SYMBOL(lustre_swab_update_ops);
-void lustre_swab_llog_rec(struct llog_rec_hdr *rec, struct llog_rec_tail *tail)
+void lustre_swab_llog_rec(struct llog_rec_hdr *rec)
{
- __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_JOIN_REC:
- 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 *)rec +
+ rec->lrh_len - sizeof(*tail));
+ break;
+ }
+
+ case CHANGELOG_USER_REC:
+ case CHANGELOG_USER_REC2:
+ {
+ struct llog_changelog_user_rec2 *cur =
+ (struct llog_changelog_user_rec2 *)rec;
+
+ __swab32s(&cur->cur_id);
+ __swab64s(&cur->cur_endrec);
+ __swab32s(&cur->cur_time);
+ if (cur->cur_hdr.lrh_type == CHANGELOG_USER_REC2) {
+ __swab32s(&cur->cur_mask);
+ BUILD_BUG_ON(offsetof(typeof(*cur), cur_padding1) == 0);
+ BUILD_BUG_ON(offsetof(typeof(*cur), cur_padding2) == 0);
+ BUILD_BUG_ON(offsetof(typeof(*cur), cur_padding3) == 0);
+ }
+ tail = (struct llog_rec_tail *)((char *)rec +
+ rec->lrh_len - sizeof(*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);
+ }
}
-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);
+ 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: %#llx\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",
+ LLOG_HDR_TAIL(h)->lrt_index);
+ CDEBUG(D_OTHER, "\tllh_tail.lrt_len: %#x\n",
+ LLOG_HDR_TAIL(h)->lrt_len);
}
void lustre_swab_llog_hdr (struct llog_log_hdr *h)
{
- ENTRY;
- print_llog_hdr(h);
+ ENTRY;
+ print_llog_hdr(h);
- lustre_swab_llog_rec(&h->llh_hdr, &h->llh_tail);
+ lustre_swab_llog_rec(&h->llh_hdr);
- print_llog_hdr(h);
- EXIT;
+ print_llog_hdr(h);
+ EXIT;
}
EXPORT_SYMBOL(lustre_swab_llog_hdr);
-static void print_lustre_cfg(struct lustre_cfg *lcfg)
+void print_lustre_cfg(struct lustre_cfg *lcfg)
{
- int i;
- ENTRY;
-
- 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);
-
- 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: %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)
- for (i = 0; i < lcfg->lcfg_bufcount; i++)
- CDEBUG(D_OTHER, "\tlcfg->lcfg_buflens[%d]: %d\n",
- i, lcfg->lcfg_buflens[i]);
- EXIT;
+ int i;
+
+ ENTRY;
+
+ 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);
+
+ 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: %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)
+ for (i = 0; i < lcfg->lcfg_bufcount; i++) {
+ CDEBUG(D_OTHER, "\tlcfg->lcfg_buflens[%d]: %d %s\n",
+ i, lcfg->lcfg_buflens[i],
+ lustre_cfg_string(lcfg, i));
+ }
+
+ EXIT;
}
+EXPORT_SYMBOL(print_lustre_cfg);
void lustre_swab_lustre_cfg(struct lustre_cfg *lcfg)
{
- int i;
- ENTRY;
-
- __swab32s(&lcfg->lcfg_version);
-
- if (lcfg->lcfg_version != LUSTRE_CFG_VERSION) {
- CERROR("not swabbing lustre_cfg version %#x (expecting %#x)\n",
- lcfg->lcfg_version, LUSTRE_CFG_VERSION);
- EXIT;
- return;
- }
-
- __swab32s(&lcfg->lcfg_command);
- __swab32s(&lcfg->lcfg_num);
- __swab32s(&lcfg->lcfg_flags);
- __swab64s(&lcfg->lcfg_nid);
- __swab32s(&lcfg->lcfg_bufcount);
- for (i = 0; i < lcfg->lcfg_bufcount && i < LUSTRE_CFG_MAX_BUFCOUNT; i++)
- __swab32s(&lcfg->lcfg_buflens[i]);
-
- print_lustre_cfg(lcfg);
- EXIT;
- return;
+ int i;
+
+ ENTRY;
+
+ __swab32s(&lcfg->lcfg_version);
+
+ if (lcfg->lcfg_version != LUSTRE_CFG_VERSION) {
+ CERROR("not swabbing lustre_cfg version %#x (expecting %#x)\n",
+ lcfg->lcfg_version, LUSTRE_CFG_VERSION);
+ EXIT;
+ return;
+ }
+
+ __swab32s(&lcfg->lcfg_command);
+ __swab32s(&lcfg->lcfg_num);
+ __swab32s(&lcfg->lcfg_flags);
+ __swab64s(&lcfg->lcfg_nid);
+ __swab32s(&lcfg->lcfg_bufcount);
+ for (i = 0; i < lcfg->lcfg_bufcount && i < LUSTRE_CFG_MAX_BUFCOUNT; i++)
+ __swab32s(&lcfg->lcfg_buflens[i]);
+
+ print_lustre_cfg(lcfg);
+ EXIT;
}
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];
+ __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 - \
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;
+ 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 32 time 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;
}
EXPORT_SYMBOL(lustre_swab_cfg_marker);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff