uint64_t *zopt_object = NULL;
int zopt_objects = 0;
libzfs_handle_t *g_zfs;
+uint64_t max_inflight = 200;
/*
* These libumem hooks provide a reasonable set of defaults for the allocator's
{
(void) fprintf(stderr,
"Usage: %s [-CumdibcsDvhLXFPA] [-t txg] [-e [-p path...]] "
- "poolname [object...]\n"
- " %s [-divPA] [-e -p path...] dataset [object...]\n"
- " %s -m [-LXFPA] [-t txg] [-e [-p path...]] "
+ "[-U config] [-M inflight I/Os] poolname [object...]\n"
+ " %s [-divPA] [-e -p path...] [-U config] dataset "
+ "[object...]\n"
+ " %s -m [-LXFPA] [-t txg] [-e [-p path...]] [-U config] "
"poolname [vdev [metaslab...]]\n"
" %s -R [-A] [-e [-p path...]] poolname "
"vdev:offset:size[:flags]\n"
- " %s -S [-PA] [-e [-p path...]] poolname\n"
+ " %s -S [-PA] [-e [-p path...]] [-U config] poolname\n"
" %s -l [-uA] device\n"
" %s -C [-A] [-U config]\n\n",
cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname);
(void) fprintf(stderr, " -P print numbers in parseable form\n");
(void) fprintf(stderr, " -t <txg> -- highest txg to use when "
"searching for uberblocks\n");
+ (void) fprintf(stderr, " -M <number of inflight I/Os> -- "
+ "specify the maximum number of checksumming I/Os [default is 200]\n");
(void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
"to make only that option verbose\n");
(void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
dump_metaslab_stats(metaslab_t *msp)
{
char maxbuf[32];
- space_map_t *sm = &msp->ms_map;
+ 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;
{
vdev_t *vd = msp->ms_group->mg_vd;
spa_t *spa = vd->vdev_spa;
- space_map_t *sm = &msp->ms_map;
+ space_map_t *sm = msp->ms_map;
space_map_obj_t *smo = &msp->ms_smo;
char freebuf[32];
arc_buf_t *buf;
uint64_t fill = 0;
- err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf,
+ err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf,
ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
if (err)
return (err);
print_idstr(gid, "gid");
}
+static void
+dump_znode_sa_xattr(sa_handle_t *hdl)
+{
+ nvlist_t *sa_xattr;
+ nvpair_t *elem = NULL;
+ int sa_xattr_size = 0;
+ int sa_xattr_entries = 0;
+ int error;
+ char *sa_xattr_packed;
+
+ error = sa_size(hdl, sa_attr_table[ZPL_DXATTR], &sa_xattr_size);
+ if (error || sa_xattr_size == 0)
+ return;
+
+ sa_xattr_packed = malloc(sa_xattr_size);
+ if (sa_xattr_packed == NULL)
+ return;
+
+ error = sa_lookup(hdl, sa_attr_table[ZPL_DXATTR],
+ sa_xattr_packed, sa_xattr_size);
+ if (error) {
+ free(sa_xattr_packed);
+ return;
+ }
+
+ error = nvlist_unpack(sa_xattr_packed, sa_xattr_size, &sa_xattr, 0);
+ if (error) {
+ free(sa_xattr_packed);
+ return;
+ }
+
+ while ((elem = nvlist_next_nvpair(sa_xattr, elem)) != NULL)
+ sa_xattr_entries++;
+
+ (void) printf("\tSA xattrs: %d bytes, %d entries\n\n",
+ sa_xattr_size, sa_xattr_entries);
+ while ((elem = nvlist_next_nvpair(sa_xattr, elem)) != NULL) {
+ uchar_t *value;
+ uint_t cnt, idx;
+
+ (void) printf("\t\t%s = ", nvpair_name(elem));
+ nvpair_value_byte_array(elem, &value, &cnt);
+ for (idx = 0 ; idx < cnt ; ++idx) {
+ if (isprint(value[idx]))
+ (void) putchar(value[idx]);
+ else
+ (void) printf("\\%3.3o", value[idx]);
+ }
+ (void) putchar('\n');
+ }
+
+ nvlist_free(sa_xattr);
+ free(sa_xattr_packed);
+}
+
/*ARGSUSED*/
static void
dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
sizeof (uint64_t)) == 0)
(void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
+ dump_znode_sa_xattr(hdl);
sa_handle_destroy(hdl);
}
bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
}
-/* ARGSUSED */
+static void
+zdb_blkptr_done(zio_t *zio)
+{
+ spa_t *spa = zio->io_spa;
+ blkptr_t *bp = zio->io_bp;
+ int ioerr = zio->io_error;
+ zdb_cb_t *zcb = zio->io_private;
+ zbookmark_t *zb = &zio->io_bookmark;
+
+ zio_data_buf_free(zio->io_data, zio->io_size);
+
+ mutex_enter(&spa->spa_scrub_lock);
+ spa->spa_scrub_inflight--;
+ cv_broadcast(&spa->spa_scrub_io_cv);
+
+ if (ioerr && !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) {
+ char blkbuf[BP_SPRINTF_LEN];
+
+ zcb->zcb_haderrors = 1;
+ zcb->zcb_errors[ioerr]++;
+
+ if (dump_opt['b'] >= 2)
+ sprintf_blkptr(blkbuf, bp);
+ else
+ blkbuf[0] = '\0';
+
+ (void) printf("zdb_blkptr_cb: "
+ "Got error %d reading "
+ "<%llu, %llu, %lld, %llx> %s -- skipping\n",
+ ioerr,
+ (u_longlong_t)zb->zb_objset,
+ (u_longlong_t)zb->zb_object,
+ (u_longlong_t)zb->zb_level,
+ (u_longlong_t)zb->zb_blkid,
+ blkbuf);
+ }
+ mutex_exit(&spa->spa_scrub_lock);
+}
+
static int
-zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf,
+zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
{
zdb_cb_t *zcb = arg;
is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type));
if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) {
- int ioerr;
size_t size = BP_GET_PSIZE(bp);
- void *data = malloc(size);
+ void *data = zio_data_buf_alloc(size);
int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
/* If it's an intent log block, failure is expected. */
if (zb->zb_level == ZB_ZIL_LEVEL)
flags |= ZIO_FLAG_SPECULATIVE;
- ioerr = zio_wait(zio_read(NULL, spa, bp, data, size,
- NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb));
-
- free(data);
+ mutex_enter(&spa->spa_scrub_lock);
+ while (spa->spa_scrub_inflight > max_inflight)
+ cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock);
+ spa->spa_scrub_inflight++;
+ mutex_exit(&spa->spa_scrub_lock);
- if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) {
- zcb->zcb_haderrors = 1;
- zcb->zcb_errors[ioerr]++;
+ zio_nowait(zio_read(NULL, spa, bp, data, size,
+ zdb_blkptr_done, zcb, ZIO_PRIORITY_ASYNC_READ, flags, zb));
- if (dump_opt['b'] >= 2)
- sprintf_blkptr(blkbuf, bp);
- else
- blkbuf[0] = '\0';
-
- (void) printf("zdb_blkptr_cb: "
- "Got error %d reading "
- "<%llu, %llu, %lld, %llx> %s -- skipping\n",
- ioerr,
- (u_longlong_t)zb->zb_objset,
- (u_longlong_t)zb->zb_object,
- (u_longlong_t)zb->zb_level,
- (u_longlong_t)zb->zb_blkid,
- blkbuf);
- }
}
zcb->zcb_readfails = 0;
for (m = 0; m < vd->vdev_ms_count; m++) {
metaslab_t *msp = vd->vdev_ms[m];
mutex_enter(&msp->ms_lock);
- space_map_unload(&msp->ms_map);
- VERIFY(space_map_load(&msp->ms_map,
+ space_map_unload(msp->ms_map);
+ VERIFY(space_map_load(msp->ms_map,
&zdb_space_map_ops, SM_ALLOC, &msp->ms_smo,
spa->spa_meta_objset) == 0);
- msp->ms_map.sm_ppd = vd;
+ msp->ms_map->sm_ppd = vd;
mutex_exit(&msp->ms_lock);
}
}
for (m = 0; m < vd->vdev_ms_count; m++) {
metaslab_t *msp = vd->vdev_ms[m];
mutex_enter(&msp->ms_lock);
- space_map_unload(&msp->ms_map);
+ space_map_unload(msp->ms_map);
mutex_exit(&msp->ms_lock);
}
}
zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
+ /*
+ * If we've traversed the data blocks then we need to wait for those
+ * I/Os to complete. We leverage "The Godfather" zio to wait on
+ * all async I/Os to complete.
+ */
+ if (dump_opt['c']) {
+ (void) zio_wait(spa->spa_async_zio_root);
+ spa->spa_async_zio_root = zio_root(spa, NULL, NULL,
+ ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE |
+ ZIO_FLAG_GODFATHER);
+ }
+
if (zcb.zcb_haderrors) {
(void) printf("\nError counts:\n\n");
(void) printf("\t%5s %s\n", "errno", "count");
/* ARGSUSED */
static int
zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
- arc_buf_t *pbuf, const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
+ const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
{
avl_tree_t *t = arg;
avl_index_t where;
psize = size;
lsize = size;
- pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
+ pbuf = umem_alloc_aligned(SPA_MAXBLOCKSIZE, 512, UMEM_NOFAIL);
lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
BP_ZERO(bp);
nvlist_t *policy = NULL;
uint64_t max_txg = UINT64_MAX;
int rewind = ZPOOL_NEVER_REWIND;
+ char *spa_config_path_env;
(void) setrlimit(RLIMIT_NOFILE, &rl);
(void) enable_extended_FILE_stdio(-1, -1);
dprintf_setup(&argc, argv);
- while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:P")) != -1) {
+ /*
+ * If there is an environment variable SPA_CONFIG_PATH it overrides
+ * default spa_config_path setting. If -U flag is specified it will
+ * override this environment variable settings once again.
+ */
+ spa_config_path_env = getenv("SPA_CONFIG_PATH");
+ if (spa_config_path_env != NULL)
+ spa_config_path = spa_config_path_env;
+
+ while ((c = getopt(argc, argv, "bcdhilmM:suCDRSAFLXevp:t:U:P")) != -1) {
switch (c) {
case 'b':
case 'c':
case 'v':
verbose++;
break;
+ case 'M':
+ max_inflight = strtoull(optarg, NULL, 0);
+ if (max_inflight == 0) {
+ (void) fprintf(stderr, "maximum number "
+ "of inflight I/Os must be greater "
+ "than 0\n");
+ usage();
+ }
+ break;
case 'p':
if (searchdirs == NULL) {
searchdirs = umem_alloc(sizeof (char *),
git://git.camperquake.de / zfs.git / blobdiff