zfs/cmd/zdb/zdb_il.c

364 lines
9.5 KiB
C

/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Print intent log header and statistics.
*/
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <sys/zfs_context.h>
#include <sys/spa.h>
#include <sys/dmu.h>
#include <sys/stat.h>
#include <sys/resource.h>
#include <sys/zil.h>
#include <sys/zil_impl.h>
extern uint8_t dump_opt[256];
static void
print_log_bp(const blkptr_t *bp, const char *prefix)
{
char blkbuf[BP_SPRINTF_LEN];
sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp);
(void) printf("%s%s\n", prefix, blkbuf);
}
/* ARGSUSED */
static void
zil_prt_rec_create(zilog_t *zilog, int txtype, lr_create_t *lr)
{
time_t crtime = lr->lr_crtime[0];
char *name = (char *)(lr + 1);
char *link = name + strlen(name) + 1;
if (txtype == TX_SYMLINK)
(void) printf("\t\t\t%s -> %s\n", name, link);
else
(void) printf("\t\t\t%s\n", name);
(void) printf("\t\t\t%s", ctime(&crtime));
(void) printf("\t\t\tdoid %llu, foid %llu, mode %llo\n",
(u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_foid,
(longlong_t)lr->lr_mode);
(void) printf("\t\t\tuid %llu, gid %llu, gen %llu, rdev 0x%llx\n",
(u_longlong_t)lr->lr_uid, (u_longlong_t)lr->lr_gid,
(u_longlong_t)lr->lr_gen, (u_longlong_t)lr->lr_rdev);
}
/* ARGSUSED */
static void
zil_prt_rec_remove(zilog_t *zilog, int txtype, lr_remove_t *lr)
{
(void) printf("\t\t\tdoid %llu, name %s\n",
(u_longlong_t)lr->lr_doid, (char *)(lr + 1));
}
/* ARGSUSED */
static void
zil_prt_rec_link(zilog_t *zilog, int txtype, lr_link_t *lr)
{
(void) printf("\t\t\tdoid %llu, link_obj %llu, name %s\n",
(u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_link_obj,
(char *)(lr + 1));
}
/* ARGSUSED */
static void
zil_prt_rec_rename(zilog_t *zilog, int txtype, lr_rename_t *lr)
{
char *snm = (char *)(lr + 1);
char *tnm = snm + strlen(snm) + 1;
(void) printf("\t\t\tsdoid %llu, tdoid %llu\n",
(u_longlong_t)lr->lr_sdoid, (u_longlong_t)lr->lr_tdoid);
(void) printf("\t\t\tsrc %s tgt %s\n", snm, tnm);
}
/* ARGSUSED */
static void
zil_prt_rec_write(zilog_t *zilog, int txtype, lr_write_t *lr)
{
char *data, *dlimit;
blkptr_t *bp = &lr->lr_blkptr;
char buf[SPA_MAXBLOCKSIZE];
int verbose = MAX(dump_opt['d'], dump_opt['i']);
int error;
(void) printf("\t\t\tfoid %llu, offset 0x%llx,"
" length 0x%llx, blkoff 0x%llx\n",
(u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset,
(u_longlong_t)lr->lr_length, (u_longlong_t)lr->lr_blkoff);
if (verbose < 5)
return;
if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) {
(void) printf("\t\t\thas blkptr, %s\n",
bp->blk_birth >= spa_first_txg(zilog->zl_spa) ?
"will claim" : "won't claim");
print_log_bp(bp, "\t\t\t");
if (bp->blk_birth == 0) {
bzero(buf, sizeof (buf));
} else {
zbookmark_t zb;
ASSERT3U(bp->blk_cksum.zc_word[ZIL_ZC_OBJSET], ==,
dmu_objset_id(zilog->zl_os));
zb.zb_objset = bp->blk_cksum.zc_word[ZIL_ZC_OBJSET];
zb.zb_object = 0;
zb.zb_level = -1;
zb.zb_blkid = bp->blk_cksum.zc_word[ZIL_ZC_SEQ];
error = zio_wait(zio_read(NULL, zilog->zl_spa,
bp, buf, BP_GET_LSIZE(bp), NULL, NULL,
ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_CANFAIL, &zb));
if (error)
return;
}
data = buf + lr->lr_blkoff;
} else {
data = (char *)(lr + 1);
}
dlimit = data + MIN(lr->lr_length,
(verbose < 6 ? 20 : SPA_MAXBLOCKSIZE));
(void) printf("\t\t\t");
while (data < dlimit) {
if (isprint(*data))
(void) printf("%c ", *data);
else
(void) printf("%2X", *data);
data++;
}
(void) printf("\n");
}
/* ARGSUSED */
static void
zil_prt_rec_truncate(zilog_t *zilog, int txtype, lr_truncate_t *lr)
{
(void) printf("\t\t\tfoid %llu, offset 0x%llx, length 0x%llx\n",
(u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset,
(u_longlong_t)lr->lr_length);
}
/* ARGSUSED */
static void
zil_prt_rec_setattr(zilog_t *zilog, int txtype, lr_setattr_t *lr)
{
time_t atime = (time_t)lr->lr_atime[0];
time_t mtime = (time_t)lr->lr_mtime[0];
(void) printf("\t\t\tfoid %llu, mask 0x%llx\n",
(u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_mask);
if (lr->lr_mask & AT_MODE) {
(void) printf("\t\t\tAT_MODE %llo\n",
(longlong_t)lr->lr_mode);
}
if (lr->lr_mask & AT_UID) {
(void) printf("\t\t\tAT_UID %llu\n",
(u_longlong_t)lr->lr_uid);
}
if (lr->lr_mask & AT_GID) {
(void) printf("\t\t\tAT_GID %llu\n",
(u_longlong_t)lr->lr_gid);
}
if (lr->lr_mask & AT_SIZE) {
(void) printf("\t\t\tAT_SIZE %llu\n",
(u_longlong_t)lr->lr_size);
}
if (lr->lr_mask & AT_ATIME) {
(void) printf("\t\t\tAT_ATIME %llu.%09llu %s",
(u_longlong_t)lr->lr_atime[0],
(u_longlong_t)lr->lr_atime[1],
ctime(&atime));
}
if (lr->lr_mask & AT_MTIME) {
(void) printf("\t\t\tAT_MTIME %llu.%09llu %s",
(u_longlong_t)lr->lr_mtime[0],
(u_longlong_t)lr->lr_mtime[1],
ctime(&mtime));
}
}
/* ARGSUSED */
static void
zil_prt_rec_acl(zilog_t *zilog, int txtype, lr_acl_t *lr)
{
(void) printf("\t\t\tfoid %llu, aclcnt %llu\n",
(u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_aclcnt);
}
typedef void (*zil_prt_rec_func_t)(zilog_t *, int, lr_t *);
typedef struct zil_rec_info {
zil_prt_rec_func_t zri_print;
char *zri_name;
uint64_t zri_count;
} zil_rec_info_t;
static zil_rec_info_t zil_rec_info[TX_MAX_TYPE] = {
{ NULL, "Total " },
{ zil_prt_rec_create, "TX_CREATE " },
{ zil_prt_rec_create, "TX_MKDIR " },
{ zil_prt_rec_create, "TX_MKXATTR " },
{ zil_prt_rec_create, "TX_SYMLINK " },
{ zil_prt_rec_remove, "TX_REMOVE " },
{ zil_prt_rec_remove, "TX_RMDIR " },
{ zil_prt_rec_link, "TX_LINK " },
{ zil_prt_rec_rename, "TX_RENAME " },
{ zil_prt_rec_write, "TX_WRITE " },
{ zil_prt_rec_truncate, "TX_TRUNCATE " },
{ zil_prt_rec_setattr, "TX_SETATTR " },
{ zil_prt_rec_acl, "TX_ACL_V0 " },
{ zil_prt_rec_acl, "TX_ACL_ACL " },
{ zil_prt_rec_create, "TX_CREATE_ACL " },
{ zil_prt_rec_create, "TX_CREATE_ATTR " },
{ zil_prt_rec_create, "TX_CREATE_ACL_ATTR " },
{ zil_prt_rec_create, "TX_MKDIR_ACL " },
{ zil_prt_rec_create, "TX_MKDIR_ATTR " },
{ zil_prt_rec_create, "TX_MKDIR_ACL_ATTR " },
};
/* ARGSUSED */
static void
print_log_record(zilog_t *zilog, lr_t *lr, void *arg, uint64_t claim_txg)
{
int txtype;
int verbose = MAX(dump_opt['d'], dump_opt['i']);
/* reduce size of txtype to strip off TX_CI bit */
txtype = lr->lrc_txtype;
ASSERT(txtype != 0 && (uint_t)txtype < TX_MAX_TYPE);
ASSERT(lr->lrc_txg);
(void) printf("\t\t%s%s len %6llu, txg %llu, seq %llu\n",
(lr->lrc_txtype & TX_CI) ? "CI-" : "",
zil_rec_info[txtype].zri_name,
(u_longlong_t)lr->lrc_reclen,
(u_longlong_t)lr->lrc_txg,
(u_longlong_t)lr->lrc_seq);
if (txtype && verbose >= 3)
zil_rec_info[txtype].zri_print(zilog, txtype, lr);
zil_rec_info[txtype].zri_count++;
zil_rec_info[0].zri_count++;
}
/* ARGSUSED */
static void
print_log_block(zilog_t *zilog, blkptr_t *bp, void *arg, uint64_t claim_txg)
{
char blkbuf[BP_SPRINTF_LEN];
int verbose = MAX(dump_opt['d'], dump_opt['i']);
char *claim;
if (verbose <= 3)
return;
if (verbose >= 5) {
(void) strcpy(blkbuf, ", ");
sprintf_blkptr(blkbuf + strlen(blkbuf),
BP_SPRINTF_LEN - strlen(blkbuf), bp);
} else {
blkbuf[0] = '\0';
}
if (claim_txg != 0)
claim = "already claimed";
else if (bp->blk_birth >= spa_first_txg(zilog->zl_spa))
claim = "will claim";
else
claim = "won't claim";
(void) printf("\tBlock seqno %llu, %s%s\n",
(u_longlong_t)bp->blk_cksum.zc_word[ZIL_ZC_SEQ], claim, blkbuf);
}
static void
print_log_stats(int verbose)
{
int i, w, p10;
if (verbose > 3)
(void) printf("\n");
if (zil_rec_info[0].zri_count == 0)
return;
for (w = 1, p10 = 10; zil_rec_info[0].zri_count >= p10; p10 *= 10)
w++;
for (i = 0; i < TX_MAX_TYPE; i++)
if (zil_rec_info[i].zri_count || verbose >= 3)
(void) printf("\t\t%s %*llu\n",
zil_rec_info[i].zri_name, w,
(u_longlong_t)zil_rec_info[i].zri_count);
(void) printf("\n");
}
/* ARGSUSED */
void
dump_intent_log(zilog_t *zilog)
{
const zil_header_t *zh = zilog->zl_header;
int verbose = MAX(dump_opt['d'], dump_opt['i']);
int i;
if (zh->zh_log.blk_birth == 0 || verbose < 2)
return;
(void) printf("\n ZIL header: claim_txg %llu, seq %llu\n",
(u_longlong_t)zh->zh_claim_txg, (u_longlong_t)zh->zh_replay_seq);
if (verbose >= 4)
print_log_bp(&zh->zh_log, "\n\tfirst block: ");
for (i = 0; i < TX_MAX_TYPE; i++)
zil_rec_info[i].zri_count = 0;
if (verbose >= 2) {
(void) printf("\n");
(void) zil_parse(zilog, print_log_block, print_log_record, NULL,
zh->zh_claim_txg);
print_log_stats(verbose);
}
}