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Rebase master to b117

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This commit is contained in:
Brian Behlendorf
2009-07-02 15:44:48 -07:00
parent d164b20935
commit 9babb37438
103 changed files with 7629 additions and 4093 deletions
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cmd/zdb/zdb.c
+100 -38
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@@ -19,7 +19,7 @@
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
@@ -102,7 +102,9 @@ usage(void)
(void) fprintf(stderr, " -C cached pool configuration\n");
(void) fprintf(stderr, " -i intent logs\n");
(void) fprintf(stderr, " -b block statistics\n");
(void) fprintf(stderr, " -c checksum all data blocks\n");
(void) fprintf(stderr, " -m metaslabs\n");
(void) fprintf(stderr, " -c checksum all metadata (twice for "
"all data) blocks\n");
(void) fprintf(stderr, " -s report stats on zdb's I/O\n");
(void) fprintf(stderr, " -S <user|all>:<cksum_alg|all> -- "
"dump blkptr signatures\n");
@@ -125,6 +127,11 @@ usage(void)
exit(1);
}
/*
* Called for usage errors that are discovered after a call to spa_open(),
* dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
*/
static void
fatal(const char *fmt, ...)
{
@@ -136,7 +143,7 @@ fatal(const char *fmt, ...)
va_end(ap);
(void) fprintf(stderr, "\n");
abort();
exit(1);
}
static void
@@ -209,7 +216,7 @@ dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
size_t nvsize = *(uint64_t *)data;
char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
VERIFY(0 == dmu_read(os, object, 0, nvsize, packed));
VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
@@ -435,7 +442,7 @@ dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
alloc = 0;
for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
VERIFY(0 == dmu_read(os, smo->smo_object, offset,
sizeof (entry), &entry));
sizeof (entry), &entry, DMU_READ_PREFETCH));
if (SM_DEBUG_DECODE(entry)) {
(void) printf("\t\t[%4llu] %s: txg %llu, pass %llu\n",
(u_longlong_t)(offset / sizeof (entry)),
@@ -466,6 +473,21 @@ dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
}
}
static void
dump_metaslab_stats(metaslab_t *msp)
{
char maxbuf[5];
space_map_t *sm = &msp->ms_map;
avl_tree_t *t = sm->sm_pp_root;
int free_pct = sm->sm_space * 100 / sm->sm_size;
nicenum(space_map_maxsize(sm), maxbuf);
(void) printf("\t %20s %10lu %7s %6s %4s %4d%%\n",
"segments", avl_numnodes(t), "maxsize", maxbuf,
"freepct", free_pct);
}
static void
dump_metaslab(metaslab_t *msp)
{
@@ -476,22 +498,28 @@ dump_metaslab(metaslab_t *msp)
nicenum(msp->ms_map.sm_size - smo->smo_alloc, freebuf);
if (dump_opt['d'] <= 5) {
(void) printf("\t%10llx %10llu %5s\n",
(u_longlong_t)msp->ms_map.sm_start,
(u_longlong_t)smo->smo_object,
freebuf);
return;
}
(void) printf(
"\tvdev %llu offset %08llx spacemap %4llu free %5s\n",
"\tvdev %5llu offset %12llx spacemap %6llu free %5s\n",
(u_longlong_t)vd->vdev_id, (u_longlong_t)msp->ms_map.sm_start,
(u_longlong_t)smo->smo_object, freebuf);
ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift));
if (dump_opt['m'] > 1) {
mutex_enter(&msp->ms_lock);
VERIFY(space_map_load(&msp->ms_map, zfs_metaslab_ops,
SM_FREE, &msp->ms_smo, spa->spa_meta_objset) == 0);
dump_metaslab_stats(msp);
space_map_unload(&msp->ms_map);
mutex_exit(&msp->ms_lock);
}
if (dump_opt['d'] > 5 || dump_opt['m'] > 2) {
ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift));
mutex_enter(&msp->ms_lock);
dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map);
mutex_exit(&msp->ms_lock);
}
dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map);
}
static void
@@ -506,14 +534,12 @@ dump_metaslabs(spa_t *spa)
for (c = 0; c < rvd->vdev_children; c++) {
vd = rvd->vdev_child[c];
(void) printf("\n vdev %llu\n\n", (u_longlong_t)vd->vdev_id);
(void) printf("\t%-10s %-19s %-15s %-10s\n",
"vdev", "offset", "spacemap", "free");
(void) printf("\t%10s %19s %15s %10s\n",
"----------", "-------------------",
"---------------", "-------------");
if (dump_opt['d'] <= 5) {
(void) printf("\t%10s %10s %5s\n",
"offset", "spacemap", "free");
(void) printf("\t%10s %10s %5s\n",
"------", "--------", "----");
}
for (m = 0; m < vd->vdev_ms_count; m++)
dump_metaslab(vd->vdev_ms[m]);
(void) printf("\n");
@@ -917,6 +943,7 @@ dump_uidgid(objset_t *os, znode_phys_t *zp)
/* first find the fuid object. It lives in the master node */
VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
8, 1, &fuid_obj) == 0);
zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
(void) zfs_fuid_table_load(os, fuid_obj,
&idx_tree, &domain_tree);
fuid_table_loaded = B_TRUE;
@@ -1020,6 +1047,8 @@ static object_viewer_t *object_viewer[DMU_OT_NUMTYPES] = {
dump_packed_nvlist, /* FUID nvlist size */
dump_zap, /* DSL dataset next clones */
dump_zap, /* DSL scrub queue */
dump_zap, /* ZFS user/group used */
dump_zap, /* ZFS user/group quota */
};
static void
@@ -1083,6 +1112,14 @@ dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
}
if (verbosity >= 4) {
(void) printf("\tdnode flags: %s%s\n",
(dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
"USED_BYTES " : "",
(dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
"USERUSED_ACCOUNTED " : "");
(void) printf("\tdnode maxblkid: %llu\n",
(longlong_t)dn->dn_phys->dn_maxblkid);
object_viewer[doi.doi_bonus_type](os, object, bonus, bsize);
object_viewer[doi.doi_type](os, object, NULL, 0);
*print_header = 1;
@@ -1137,7 +1174,7 @@ dump_dir(objset_t *os)
uint64_t object, object_count;
uint64_t refdbytes, usedobjs, scratch;
char numbuf[8];
char blkbuf[BP_SPRINTF_LEN];
char blkbuf[BP_SPRINTF_LEN + 20];
char osname[MAXNAMELEN];
char *type = "UNKNOWN";
int verbosity = dump_opt['d'];
@@ -1163,8 +1200,8 @@ dump_dir(objset_t *os)
nicenum(refdbytes, numbuf);
if (verbosity >= 4) {
(void) strcpy(blkbuf, ", rootbp ");
sprintf_blkptr(blkbuf + strlen(blkbuf),
(void) sprintf(blkbuf + strlen(blkbuf), ", rootbp ");
(void) sprintf_blkptr(blkbuf + strlen(blkbuf),
BP_SPRINTF_LEN - strlen(blkbuf), os->os->os_rootbp);
} else {
blkbuf[0] = '\0';
@@ -1199,7 +1236,12 @@ dump_dir(objset_t *os)
}
dump_object(os, 0, verbosity, &print_header);
object_count = 1;
object_count = 0;
if (os->os->os_userused_dnode &&
os->os->os_userused_dnode->dn_type != 0) {
dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
}
object = 0;
while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
@@ -1211,8 +1253,10 @@ dump_dir(objset_t *os)
(void) printf("\n");
if (error != ESRCH)
fatal("dmu_object_next() = %d", error);
if (error != ESRCH) {
(void) fprintf(stderr, "dmu_object_next() = %d\n", error);
abort();
}
}
static void
@@ -1395,7 +1439,8 @@ static space_map_ops_t zdb_space_map_ops = {
zdb_space_map_unload,
NULL, /* alloc */
zdb_space_map_claim,
NULL /* free */
NULL, /* free */
NULL /* maxsize */
};
static void
@@ -1505,13 +1550,25 @@ zdb_blkptr_cb(spa_t *spa, blkptr_t *bp, const zbookmark_t *zb,
{
zdb_cb_t *zcb = arg;
char blkbuf[BP_SPRINTF_LEN];
dmu_object_type_t type;
boolean_t is_l0_metadata;
if (bp == NULL)
return (0);
zdb_count_block(spa, zcb, bp, BP_GET_TYPE(bp));
type = BP_GET_TYPE(bp);
if (dump_opt['c'] || dump_opt['S']) {
zdb_count_block(spa, zcb, bp, type);
/*
* if we do metadata-only checksumming there's no need to checksum
* indirect blocks here because it is done during traverse
*/
is_l0_metadata = (BP_GET_LEVEL(bp) == 0 && type < DMU_OT_NUMTYPES &&
dmu_ot[type].ot_metadata);
if (dump_opt['c'] > 1 || dump_opt['S'] ||
(dump_opt['c'] && is_l0_metadata)) {
int ioerr, size;
void *data;
@@ -1523,7 +1580,7 @@ zdb_blkptr_cb(spa_t *spa, blkptr_t *bp, const zbookmark_t *zb,
free(data);
/* We expect io errors on intent log */
if (ioerr && BP_GET_TYPE(bp) != DMU_OT_INTENT_LOG) {
if (ioerr && type != DMU_OT_INTENT_LOG) {
zcb->zcb_haderrors = 1;
zcb->zcb_errors[ioerr]++;
@@ -1571,8 +1628,9 @@ dump_block_stats(spa_t *spa)
int c, e;
if (!dump_opt['S']) {
(void) printf("\nTraversing all blocks %s%s%s%s...\n",
(void) printf("\nTraversing all blocks %s%s%s%s%s...\n",
(dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
(dump_opt['c'] == 1) ? "metadata " : "",
dump_opt['c'] ? "checksums " : "",
(dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
!dump_opt['L'] ? "nothing leaked " : "");
@@ -1772,14 +1830,17 @@ dump_zpool(spa_t *spa)
if (dump_opt['u'])
dump_uberblock(&spa->spa_uberblock);
if (dump_opt['d'] || dump_opt['i']) {
if (dump_opt['d'] || dump_opt['i'] || dump_opt['m']) {
dump_dir(dp->dp_meta_objset);
if (dump_opt['d'] >= 3) {
dump_bplist(dp->dp_meta_objset,
spa->spa_sync_bplist_obj, "Deferred frees");
dump_dtl(spa->spa_root_vdev, 0);
dump_metaslabs(spa);
}
if (dump_opt['d'] >= 3 || dump_opt['m'])
dump_metaslabs(spa);
(void) dmu_objset_find(spa_name(spa), dump_one_dir, NULL,
DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
}
@@ -2255,13 +2316,14 @@ main(int argc, char **argv)
dprintf_setup(&argc, argv);
while ((c = getopt(argc, argv, "udibcsvCLS:U:lRep:t:")) != -1) {
while ((c = getopt(argc, argv, "udibcmsvCLS:U:lRep:t:")) != -1) {
switch (c) {
case 'u':
case 'd':
case 'i':
case 'b':
case 'c':
case 'm':
case 's':
case 'C':
case 'l':
@@ -2397,7 +2459,7 @@ main(int argc, char **argv)
}
if (error == 0)
error = spa_import_faulted(argv[0],
error = spa_import_verbatim(argv[0],
exported_conf, nvl);
nvlist_free(nvl);