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-rw-r--r--cmd/Makefile.am2
-rw-r--r--cmd/zdb/zdb.c72
-rw-r--r--cmd/zhack/.gitignore1
-rw-r--r--cmd/zhack/Makefile.am18
-rw-r--r--cmd/zhack/zhack.c533
-rw-r--r--cmd/zpool/zpool_main.c204
-rw-r--r--cmd/ztest/ztest.c14
7 files changed, 803 insertions, 41 deletions
diff --git a/cmd/Makefile.am b/cmd/Makefile.am
index 478da2616..afdba3440 100644
--- a/cmd/Makefile.am
+++ b/cmd/Makefile.am
@@ -1,2 +1,2 @@
-SUBDIRS = zfs zpool zdb zinject zstreamdump ztest zpios mount_zfs
+SUBDIRS = zfs zpool zdb zhack zinject zstreamdump ztest zpios mount_zfs
SUBDIRS += zpool_layout zvol_id zpool_id vdev_id
diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c
index ce6318ea1..de4ac510e 100644
--- a/cmd/zdb/zdb.c
+++ b/cmd/zdb/zdb.c
@@ -18,8 +18,10 @@
*
* CDDL HEADER END
*/
+
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
*/
#include <stdio.h>
@@ -54,6 +56,7 @@
#include <sys/zfs_fuid.h>
#include <sys/arc.h>
#include <sys/ddt.h>
+#include <sys/zfeature.h>
#undef ZFS_MAXNAMELEN
#include <libzfs.h>
@@ -62,7 +65,8 @@
#define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
zio_checksum_table[(idx)].ci_name : "UNKNOWN")
#define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \
- dmu_ot[(idx)].ot_name : "UNKNOWN")
+ dmu_ot[(idx)].ot_name : DMU_OT_IS_VALID(idx) ? \
+ dmu_ot_byteswap[DMU_OT_BYTESWAP(idx)].ob_name : "UNKNOWN")
#define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : DMU_OT_NUMTYPES)
#ifndef lint
@@ -1099,7 +1103,7 @@ dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
ASSERT(size == sizeof (*ds));
crtime = ds->ds_creation_time;
- zdb_nicenum(ds->ds_used_bytes, used);
+ zdb_nicenum(ds->ds_referenced_bytes, used);
zdb_nicenum(ds->ds_compressed_bytes, compressed);
zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed);
zdb_nicenum(ds->ds_unique_bytes, unique);
@@ -1143,6 +1147,44 @@ dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
/* ARGSUSED */
static int
+dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
+{
+ char blkbuf[BP_SPRINTF_LEN];
+
+ if (bp->blk_birth != 0) {
+ sprintf_blkptr(blkbuf, bp);
+ (void) printf("\t%s\n", blkbuf);
+ }
+ return (0);
+}
+
+static void
+dump_bptree(objset_t *os, uint64_t obj, char *name)
+{
+ char bytes[32];
+ bptree_phys_t *bt;
+ dmu_buf_t *db;
+
+ if (dump_opt['d'] < 3)
+ return;
+
+ VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db));
+ bt = db->db_data;
+ zdb_nicenum(bt->bt_bytes, bytes);
+ (void) printf("\n %s: %llu datasets, %s\n",
+ name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes);
+ dmu_buf_rele(db, FTAG);
+
+ if (dump_opt['d'] < 5)
+ return;
+
+ (void) printf("\n");
+
+ (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL);
+}
+
+/* ARGSUSED */
+static int
dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
{
char blkbuf[BP_SPRINTF_LEN];
@@ -1888,11 +1930,13 @@ typedef struct zdb_blkstats {
*/
#define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
#define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
-#define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 2)
+#define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
+#define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
static char *zdb_ot_extname[] = {
"deferred free",
"dedup ditto",
+ "other",
"Total",
};
@@ -1974,9 +2018,10 @@ zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf,
type = BP_GET_TYPE(bp);
- zdb_count_block(zcb, zilog, bp, type);
+ zdb_count_block(zcb, zilog, bp,
+ (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type);
- is_metadata = (BP_GET_LEVEL(bp) != 0 || dmu_ot[type].ot_metadata);
+ is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type));
if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) {
int ioerr;
@@ -2207,6 +2252,12 @@ dump_block_stats(spa_t *spa)
count_block_cb, &zcb, NULL);
(void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
count_block_cb, &zcb, NULL);
+ if (spa_feature_is_active(spa,
+ &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) {
+ VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset,
+ spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb,
+ &zcb, NULL));
+ }
if (dump_opt['c'] > 1)
flags |= TRAVERSE_PREFETCH_DATA;
@@ -2383,7 +2434,7 @@ zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
}
if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
- BP_GET_LEVEL(bp) > 0 || dmu_ot[BP_GET_TYPE(bp)].ot_metadata)
+ BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp)))
return (0);
ddt_key_fill(&zdde_search.zdde_key, bp);
@@ -2491,7 +2542,14 @@ dump_zpool(spa_t *spa)
dump_bpobj(&spa->spa_deferred_bpobj, "Deferred frees");
if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj,
- "Pool frees");
+ "Pool snapshot frees");
+ }
+
+ if (spa_feature_is_active(spa,
+ &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) {
+ dump_bptree(spa->spa_meta_objset,
+ spa->spa_dsl_pool->dp_bptree_obj,
+ "Pool dataset frees");
}
dump_dtl(spa->spa_root_vdev, 0);
}
diff --git a/cmd/zhack/.gitignore b/cmd/zhack/.gitignore
new file mode 100644
index 000000000..763a18898
--- /dev/null
+++ b/cmd/zhack/.gitignore
@@ -0,0 +1 @@
+/zhack
diff --git a/cmd/zhack/Makefile.am b/cmd/zhack/Makefile.am
new file mode 100644
index 000000000..47da2453e
--- /dev/null
+++ b/cmd/zhack/Makefile.am
@@ -0,0 +1,18 @@
+include $(top_srcdir)/config/Rules.am
+
+DEFAULT_INCLUDES += \
+ -I$(top_srcdir)/include \
+ -I$(top_srcdir)/lib/libspl/include
+
+sbin_PROGRAMS = zhack
+
+zhack_SOURCES = \
+ $(top_srcdir)/cmd/zhack/zhack.c
+
+zhack_LDADD = \
+ $(top_builddir)/lib/libnvpair/libnvpair.la \
+ $(top_builddir)/lib/libuutil/libuutil.la \
+ $(top_builddir)/lib/libzpool/libzpool.la \
+ $(top_builddir)/lib/libzfs/libzfs.la
+
+zhack_LDFLAGS = -pthread -lm $(ZLIB) -lrt -ldl $(LIBUUID) $(LIBBLKID)
diff --git a/cmd/zhack/zhack.c b/cmd/zhack/zhack.c
new file mode 100644
index 000000000..b2cf815ca
--- /dev/null
+++ b/cmd/zhack/zhack.c
@@ -0,0 +1,533 @@
+/*
+ * 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 (c) 2012 by Delphix. All rights reserved.
+ */
+
+/*
+ * zhack is a debugging tool that can write changes to ZFS pool using libzpool
+ * for testing purposes. Altering pools with zhack is unsupported and may
+ * result in corrupted pools.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <sys/zfs_context.h>
+#include <sys/spa.h>
+#include <sys/spa_impl.h>
+#include <sys/dmu.h>
+#include <sys/zap.h>
+#include <sys/zfs_znode.h>
+#include <sys/dsl_synctask.h>
+#include <sys/vdev.h>
+#include <sys/fs/zfs.h>
+#include <sys/dmu_objset.h>
+#include <sys/dsl_pool.h>
+#include <sys/zio_checksum.h>
+#include <sys/zio_compress.h>
+#include <sys/zfeature.h>
+#undef ZFS_MAXNAMELEN
+#include <libzfs.h>
+
+extern boolean_t zfeature_checks_disable;
+
+const char cmdname[] = "zhack";
+libzfs_handle_t *g_zfs;
+static importargs_t g_importargs;
+static char *g_pool;
+static boolean_t g_readonly;
+
+static void
+usage(void)
+{
+ (void) fprintf(stderr,
+ "Usage: %s [-c cachefile] [-d dir] <subcommand> <args> ...\n"
+ "where <subcommand> <args> is one of the following:\n"
+ "\n", cmdname);
+
+ (void) fprintf(stderr,
+ " feature stat <pool>\n"
+ " print information about enabled features\n"
+ " feature enable [-d desc] <pool> <feature>\n"
+ " add a new enabled feature to the pool\n"
+ " -d <desc> sets the feature's description\n"
+ " feature ref [-md] <pool> <feature>\n"
+ " change the refcount on the given feature\n"
+ " -d decrease instead of increase the refcount\n"
+ " -m add the feature to the label if increasing refcount\n"
+ "\n"
+ " <feature> : should be a feature guid\n");
+ exit(1);
+}
+
+
+static void
+fatal(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ (void) fprintf(stderr, "%s: ", cmdname);
+ (void) vfprintf(stderr, fmt, ap);
+ va_end(ap);
+ (void) fprintf(stderr, "\n");
+
+ exit(1);
+}
+
+/* ARGSUSED */
+static int
+space_delta_cb(dmu_object_type_t bonustype, void *data,
+ uint64_t *userp, uint64_t *groupp)
+{
+ /*
+ * Is it a valid type of object to track?
+ */
+ if (bonustype != DMU_OT_ZNODE && bonustype != DMU_OT_SA)
+ return (ENOENT);
+ (void) fprintf(stderr, "modifying object that needs user accounting");
+ abort();
+ /* NOTREACHED */
+}
+
+/*
+ * Target is the dataset whose pool we want to open.
+ */
+static void
+import_pool(const char *target, boolean_t readonly)
+{
+ nvlist_t *config;
+ nvlist_t *pools;
+ int error;
+ char *sepp;
+ spa_t *spa;
+ nvpair_t *elem;
+ nvlist_t *props;
+ const char *name;
+
+ kernel_init(readonly ? FREAD : (FREAD | FWRITE));
+ g_zfs = libzfs_init();
+ ASSERT(g_zfs != NULL);
+
+ dmu_objset_register_type(DMU_OST_ZFS, space_delta_cb);
+
+ g_readonly = readonly;
+
+ /*
+ * If we only want readonly access, it's OK if we find
+ * a potentially-active (ie, imported into the kernel) pool from the
+ * default cachefile.
+ */
+ if (readonly && spa_open(target, &spa, FTAG) == 0) {
+ spa_close(spa, FTAG);
+ return;
+ }
+
+ g_importargs.unique = B_TRUE;
+ g_importargs.can_be_active = readonly;
+ g_pool = strdup(target);
+ if ((sepp = strpbrk(g_pool, "/@")) != NULL)
+ *sepp = '\0';
+ g_importargs.poolname = g_pool;
+ pools = zpool_search_import(g_zfs, &g_importargs);
+
+ if (pools == NULL || nvlist_next_nvpair(pools, NULL) == NULL) {
+ if (!g_importargs.can_be_active) {
+ g_importargs.can_be_active = B_TRUE;
+ if (zpool_search_import(g_zfs, &g_importargs) != NULL ||
+ spa_open(target, &spa, FTAG) == 0) {
+ fatal("cannot import '%s': pool is active; run "
+ "\"zpool export %s\" first\n",
+ g_pool, g_pool);
+ }
+ }
+
+ fatal("cannot import '%s': no such pool available\n", g_pool);
+ }
+
+ elem = nvlist_next_nvpair(pools, NULL);
+ name = nvpair_name(elem);
+ VERIFY(nvpair_value_nvlist(elem, &config) == 0);
+
+ props = NULL;
+ if (readonly) {
+ VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0);
+ VERIFY(nvlist_add_uint64(props,
+ zpool_prop_to_name(ZPOOL_PROP_READONLY), 1) == 0);
+ }
+
+ zfeature_checks_disable = B_TRUE;
+ error = spa_import(name, config, props, ZFS_IMPORT_NORMAL);
+ zfeature_checks_disable = B_FALSE;
+ if (error == EEXIST)
+ error = 0;
+
+ if (error)
+ fatal("can't import '%s': %s", name, strerror(error));
+}
+
+static void
+zhack_spa_open(const char *target, boolean_t readonly, void *tag, spa_t **spa)
+{
+ int err;
+
+ import_pool(target, readonly);
+
+ zfeature_checks_disable = B_TRUE;
+ err = spa_open(target, spa, tag);
+ zfeature_checks_disable = B_FALSE;
+
+ if (err != 0)
+ fatal("cannot open '%s': %s", target, strerror(err));
+ if (spa_version(*spa) < SPA_VERSION_FEATURES) {
+ fatal("'%s' has version %d, features not enabled", target,
+ (int)spa_version(*spa));
+ }
+}
+
+static void
+dump_obj(objset_t *os, uint64_t obj, const char *name)
+{
+ zap_cursor_t zc;
+ zap_attribute_t za;
+
+ (void) printf("%s_obj:\n", name);
+
+ for (zap_cursor_init(&zc, os, obj);
+ zap_cursor_retrieve(&zc, &za) == 0;
+ zap_cursor_advance(&zc)) {
+ if (za.za_integer_length == 8) {
+ ASSERT(za.za_num_integers == 1);
+ (void) printf("\t%s = %llu\n",
+ za.za_name, (u_longlong_t)za.za_first_integer);
+ } else {
+ ASSERT(za.za_integer_length == 1);
+ char val[1024];
+ VERIFY(zap_lookup(os, obj, za.za_name,
+ 1, sizeof (val), val) == 0);
+ (void) printf("\t%s = %s\n", za.za_name, val);
+ }
+ }
+ zap_cursor_fini(&zc);
+}
+
+static void
+dump_mos(spa_t *spa)
+{
+ nvlist_t *nv = spa->spa_label_features;
+ nvpair_t *pair;
+
+ (void) printf("label config:\n");
+ for (pair = nvlist_next_nvpair(nv, NULL);
+ pair != NULL;
+ pair = nvlist_next_nvpair(nv, pair)) {
+ (void) printf("\t%s\n", nvpair_name(pair));
+ }
+}
+
+static void
+zhack_do_feature_stat(int argc, char **argv)
+{
+ spa_t *spa;
+ objset_t *os;
+ char *target;
+
+ argc--;
+ argv++;
+
+ if (argc < 1) {
+ (void) fprintf(stderr, "error: missing pool name\n");
+ usage();
+ }
+ target = argv[0];
+
+ zhack_spa_open(target, B_TRUE, FTAG, &spa);
+ os = spa->spa_meta_objset;
+
+ dump_obj(os, spa->spa_feat_for_read_obj, "for_read");
+ dump_obj(os, spa->spa_feat_for_write_obj, "for_write");
+ dump_obj(os, spa->spa_feat_desc_obj, "descriptions");
+ dump_mos(spa);
+
+ spa_close(spa, FTAG);
+}
+
+static void
+feature_enable_sync(void *arg1, void *arg2, dmu_tx_t *tx)
+{
+ spa_t *spa = arg1;
+ zfeature_info_t *feature = arg2;
+
+ spa_feature_enable(spa, feature, tx);
+}
+
+static void
+zhack_do_feature_enable(int argc, char **argv)
+{
+ char c;
+ char *desc, *target;
+ spa_t *spa;
+ objset_t *mos;
+ zfeature_info_t feature;
+ zfeature_info_t *nodeps[] = { NULL };
+
+ /*
+ * Features are not added to the pool's label until their refcounts
+ * are incremented, so fi_mos can just be left as false for now.
+ */
+ desc = NULL;
+ feature.fi_uname = "zhack";
+ feature.fi_mos = B_FALSE;
+ feature.fi_can_readonly = B_FALSE;
+ feature.fi_depends = nodeps;
+
+ optind = 1;
+ while ((c = getopt(argc, argv, "rmd:")) != -1) {
+ switch (c) {
+ case 'r':
+ feature.fi_can_readonly = B_TRUE;
+ break;
+ case 'd':
+ desc = strdup(optarg);
+ break;
+ default:
+ usage();
+ break;
+ }
+ }
+
+ if (desc == NULL)
+ desc = strdup("zhack injected");
+ feature.fi_desc = desc;
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 2) {
+ (void) fprintf(stderr, "error: missing feature or pool name\n");
+ usage();
+ }
+ target = argv[0];
+ feature.fi_guid = argv[1];
+
+ if (!zfeature_is_valid_guid(feature.fi_guid))
+ fatal("invalid feature guid: %s", feature.fi_guid);
+
+ zhack_spa_open(target, B_FALSE, FTAG, &spa);
+ mos = spa->spa_meta_objset;
+
+ if (0 == zfeature_lookup_guid(feature.fi_guid, NULL))
+ fatal("'%s' is a real feature, will not enable");
+ if (0 == zap_contains(mos, spa->spa_feat_desc_obj, feature.fi_guid))
+ fatal("feature already enabled: %s", feature.fi_guid);
+
+ VERIFY3U(0, ==, dsl_sync_task_do(spa->spa_dsl_pool, NULL,
+ feature_enable_sync, spa, &feature, 5));
+
+ spa_close(spa, FTAG);
+
+ free(desc);
+}
+
+static void
+feature_incr_sync(void *arg1, void *arg2, dmu_tx_t *tx)
+{
+ spa_t *spa = arg1;
+ zfeature_info_t *feature = arg2;
+
+ spa_feature_incr(spa, feature, tx);
+}
+
+static void
+feature_decr_sync(void *arg1, void *arg2, dmu_tx_t *tx)
+{
+ spa_t *spa = arg1;
+ zfeature_info_t *feature = arg2;
+
+ spa_feature_decr(spa, feature, tx);
+}
+
+static void
+zhack_do_feature_ref(int argc, char **argv)
+{
+ char c;
+ char *target;
+ boolean_t decr = B_FALSE;
+ spa_t *spa;
+ objset_t *mos;
+ zfeature_info_t feature;
+ zfeature_info_t *nodeps[] = { NULL };
+
+ /*
+ * fi_desc does not matter here because it was written to disk
+ * when the feature was enabled, but we need to properly set the
+ * feature for read or write based on the information we read off
+ * disk later.
+ */
+ feature.fi_uname = "zhack";
+ feature.fi_mos = B_FALSE;
+ feature.fi_desc = NULL;
+ feature.fi_depends = nodeps;
+
+ optind = 1;
+ while ((c = getopt(argc, argv, "md")) != -1) {
+ switch (c) {
+ case 'm':
+ feature.fi_mos = B_TRUE;
+ break;
+ case 'd':
+ decr = B_TRUE;
+ break;
+ default:
+ usage();
+ break;
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 2) {
+ (void) fprintf(stderr, "error: missing feature or pool name\n");
+ usage();
+ }
+ target = argv[0];
+ feature.fi_guid = argv[1];
+
+ if (!zfeature_is_valid_guid(feature.fi_guid))
+ fatal("invalid feature guid: %s", feature.fi_guid);
+
+ zhack_spa_open(target, B_FALSE, FTAG, &spa);
+ mos = spa->spa_meta_objset;
+
+ if (0 == zfeature_lookup_guid(feature.fi_guid, NULL))
+ fatal("'%s' is a real feature, will not change refcount");
+
+ if (0 == zap_contains(mos, spa->spa_feat_for_read_obj,
+ feature.fi_guid)) {
+ feature.fi_can_readonly = B_FALSE;
+ } else if (0 == zap_contains(mos, spa->spa_feat_for_write_obj,
+ feature.fi_guid)) {
+ feature.fi_can_readonly = B_TRUE;
+ } else {
+ fatal("feature is not enabled: %s", feature.fi_guid);
+ }
+
+ if (decr && !spa_feature_is_active(spa, &feature))
+ fatal("feature refcount already 0: %s", feature.fi_guid);
+
+ VERIFY3U(0, ==, dsl_sync_task_do(spa->spa_dsl_pool, NULL,
+ decr ? feature_decr_sync : feature_incr_sync, spa, &feature, 5));
+
+ spa_close(spa, FTAG);
+}
+
+static int
+zhack_do_feature(int argc, char **argv)
+{
+ char *subcommand;
+
+ argc--;
+ argv++;
+ if (argc == 0) {
+ (void) fprintf(stderr,
+ "error: no feature operation specified\n");
+ usage();
+ }
+
+ subcommand = argv[0];
+ if (strcmp(subcommand, "stat") == 0) {
+ zhack_do_feature_stat(argc, argv);
+ } else if (strcmp(subcommand, "enable") == 0) {
+ zhack_do_feature_enable(argc, argv);
+ } else if (strcmp(subcommand, "ref") == 0) {
+ zhack_do_feature_ref(argc, argv);
+ } else {
+ (void) fprintf(stderr, "error: unknown subcommand: %s\n",
+ subcommand);
+ usage();
+ }
+
+ return (0);
+}
+
+#define MAX_NUM_PATHS 1024
+
+int
+main(int argc, char **argv)
+{
+ extern void zfs_prop_init(void);
+
+ char *path[MAX_NUM_PATHS];
+ const char *subcommand;
+ int rv = 0;
+ char c;
+
+ g_importargs.path = path;
+
+ dprintf_setup(&argc, argv);
+ zfs_prop_init();
+
+ while ((c = getopt(argc, argv, "c:d:")) != -1) {
+ switch (c) {
+ case 'c':
+ g_importargs.cachefile = optarg;
+ break;
+ case 'd':
+ assert(g_importargs.paths < MAX_NUM_PATHS);
+ g_importargs.path[g_importargs.paths++] = optarg;
+ break;
+ default:
+ usage();
+ break;
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+ optind = 1;
+
+ if (argc == 0) {
+ (void) fprintf(stderr, "error: no command specified\n");
+ usage();
+ }
+
+ subcommand = argv[0];
+
+ if (strcmp(subcommand, "feature") == 0) {
+ rv = zhack_do_feature(argc, argv);
+ } else {
+ (void) fprintf(stderr, "error: unknown subcommand: %s\n",
+ subcommand);
+ usage();
+ }
+
+ if (!g_readonly && spa_export(g_pool, NULL, B_TRUE, B_TRUE) != 0) {
+ fatal("pool export failed; "
+ "changes may not be committed to disk\n");
+ }
+
+ libzfs_fini(g_zfs);
+ kernel_fini();
+
+ return (rv);
+}
diff --git a/cmd/zpool/zpool_main.c b/cmd/zpool/zpool_main.c
index cb0535a98..d0c0a923f 100644
--- a/cmd/zpool/zpool_main.c
+++ b/cmd/zpool/zpool_main.c
@@ -54,6 +54,7 @@
#include "zpool_util.h"
#include "zfs_comutil.h"
+#include "zfeature_common.h"
#include "statcommon.h"
@@ -208,7 +209,7 @@ get_usage(zpool_help_t idx) {
case HELP_CLEAR:
return (gettext("\tclear [-nF] <pool> [device]\n"));
case HELP_CREATE:
- return (gettext("\tcreate [-fn] [-o property=value] ... \n"
+ return (gettext("\tcreate [-fnd] [-o property=value] ... \n"
"\t [-O file-system-property=value] ... \n"
"\t [-m mountpoint] [-R root] <pool> <vdev> ...\n"));
case HELP_DESTROY:
@@ -341,6 +342,12 @@ usage(boolean_t requested)
/* Iterate over all properties */
(void) zprop_iter(print_prop_cb, fp, B_FALSE, B_TRUE,
ZFS_TYPE_POOL);
+
+ (void) fprintf(fp, "\t%-15s ", "feature@...");
+ (void) fprintf(fp, "YES disabled | enabled | active\n");
+
+ (void) fprintf(fp, gettext("\nThe feature@ properties must be "
+ "appended with a feature name.\nSee zpool-features(5).\n"));
}
/*
@@ -407,12 +414,16 @@ add_prop_list(const char *propname, char *propval, nvlist_t **props,
proplist = *props;
if (poolprop) {
- if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) {
+ if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL &&
+ !zpool_prop_feature(propname)) {
(void) fprintf(stderr, gettext("property '%s' is "
"not a valid pool property\n"), propname);
return (2);
}
- normnm = zpool_prop_to_name(prop);
+ if (zpool_prop_feature(propname))
+ normnm = propname;
+ else
+ normnm = zpool_prop_to_name(prop);
} else {
if ((fprop = zfs_name_to_prop(propname)) != ZPROP_INVAL) {
normnm = zfs_prop_to_name(fprop);
@@ -601,7 +612,7 @@ zpool_do_remove(int argc, char **argv)
}
/*
- * zpool create [-fn] [-o property=value] ...
+ * zpool create [-fnd] [-o property=value] ...
* [-O file-system-property=value] ...
* [-R root] [-m mountpoint] <pool> <dev> ...
*
@@ -610,8 +621,10 @@ zpool_do_remove(int argc, char **argv)
* were to be created.
* -R Create a pool under an alternate root
* -m Set default mountpoint for the root dataset. By default it's
- * '/<pool>'
+ * '/<pool>'
* -o Set property=value.
+ * -d Don't automatically enable all supported pool features
+ * (individual features can be enabled with -o).
* -O Set fsproperty=value in the pool's root file system
*
* Creates the named pool according to the given vdev specification. The
@@ -624,6 +637,7 @@ zpool_do_create(int argc, char **argv)
{
boolean_t force = B_FALSE;
boolean_t dryrun = B_FALSE;
+ boolean_t enable_all_pool_feat = B_TRUE;
int c;
nvlist_t *nvroot = NULL;
char *poolname;
@@ -635,7 +649,7 @@ zpool_do_create(int argc, char **argv)
char *propval;
/* check options */
- while ((c = getopt(argc, argv, ":fnR:m:o:O:")) != -1) {
+ while ((c = getopt(argc, argv, ":fndR:m:o:O:")) != -1) {
switch (c) {
case 'f':
force = B_TRUE;
@@ -643,6 +657,9 @@ zpool_do_create(int argc, char **argv)
case 'n':
dryrun = B_TRUE;
break;
+ case 'd':
+ enable_all_pool_feat = B_FALSE;
+ break;
case 'R':
altroot = optarg;
if (add_prop_list(zpool_prop_to_name(
@@ -670,6 +687,21 @@ zpool_do_create(int argc, char **argv)
if (add_prop_list(optarg, propval, &props, B_TRUE))
goto errout;
+
+ /*
+ * If the user is creating a pool that doesn't support
+ * feature flags, don't enable any features.
+ */
+ if (zpool_name_to_prop(optarg) == ZPOOL_PROP_VERSION) {
+ char *end;
+ u_longlong_t ver;
+
+ ver = strtoull(propval, &end, 10);
+ if (*end == '\0' &&
+ ver < SPA_VERSION_FEATURES) {
+ enable_all_pool_feat = B_FALSE;
+ }
+ }
break;
case 'O':
if ((propval = strchr(optarg, '=')) == NULL) {
@@ -735,7 +767,6 @@ zpool_do_create(int argc, char **argv)
goto errout;
}
-
if (altroot != NULL && altroot[0] != '/') {
(void) fprintf(stderr, gettext("invalid alternate root '%s': "
"must be an absolute path\n"), altroot);
@@ -817,6 +848,27 @@ zpool_do_create(int argc, char **argv)
/*
* Hand off to libzfs.
*/
+ if (enable_all_pool_feat) {
+ int i;
+ for (i = 0; i < SPA_FEATURES; i++) {
+ char propname[MAXPATHLEN];
+ zfeature_info_t *feat = &spa_feature_table[i];
+
+ (void) snprintf(propname, sizeof (propname),
+ "feature@%s", feat->fi_uname);
+
+ /*
+ * Skip feature if user specified it manually
+ * on the command line.
+ */
+ if (nvlist_exists(props, propname))
+ continue;
+
+ if (add_prop_list(propname, ZFS_FEATURE_ENABLED,
+ &props, B_TRUE) != 0)
+ goto errout;
+ }
+ }
if (zpool_create(g_zfs, poolname,
nvroot, props, fsprops) == 0) {
zfs_handle_t *pool = zfs_open(g_zfs, poolname,
@@ -1148,6 +1200,10 @@ print_status_config(zpool_handle_t *zhp, const char *name, nvlist_t *nv,
(void) printf(gettext("newer version"));
break;
+ case VDEV_AUX_UNSUP_FEAT:
+ (void) printf(gettext("unsupported feature(s)"));
+ break;
+
case VDEV_AUX_SPARED:
verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID,
&cb.cb_guid) == 0);
@@ -1265,6 +1321,10 @@ print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth)
(void) printf(gettext("newer version"));
break;
+ case VDEV_AUX_UNSUP_FEAT:
+ (void) printf(gettext("unsupported feature(s)"));
+ break;
+
case VDEV_AUX_ERR_EXCEEDED:
(void) printf(gettext("too many errors"));
break;
@@ -1431,6 +1491,20 @@ show_import(nvlist_t *config)
"incompatible version.\n"));
break;
+ case ZPOOL_STATUS_UNSUP_FEAT_READ:
+ (void) printf(gettext("status: The pool uses the following "
+ "feature(s) not supported on this sytem:\n"));
+ zpool_print_unsup_feat(config);
+ break;
+
+ case ZPOOL_STATUS_UNSUP_FEAT_WRITE:
+ (void) printf(gettext("status: The pool can only be accessed "
+ "in read-only mode on this system. It\n\tcannot be "
+ "accessed in read-write mode because it uses the "
+ "following\n\tfeature(s) not supported on this system:\n"));
+ zpool_print_unsup_feat(config);
+ break;
+
case ZPOOL_STATUS_HOSTID_MISMATCH:
(void) printf(gettext(" status: The pool was last accessed by "
"another system.\n"));
@@ -1488,6 +1562,20 @@ show_import(nvlist_t *config)
"newer\n\tsoftware, or recreate the pool from "
"backup.\n"));
break;
+ case ZPOOL_STATUS_UNSUP_FEAT_READ:
+ (void) printf(gettext("action: The pool cannot be "
+ "imported. Access the pool on a system that "
+ "supports\n\tthe required feature(s), or recreate "
+ "the pool from backup.\n"));
+ break;
+ case ZPOOL_STATUS_UNSUP_FEAT_WRITE:
+ (void) printf(gettext("action: The pool cannot be "
+ "imported in read-write mode. Import the pool "
+ "with\n"
+ "\t\"-o readonly=on\", access the pool on a system "
+ "that supports the\n\trequired feature(s), or "
+ "recreate the pool from backup.\n"));
+ break;
case ZPOOL_STATUS_MISSING_DEV_R:
case ZPOOL_STATUS_MISSING_DEV_NR:
case ZPOOL_STATUS_BAD_GUID_SUM:
@@ -1563,9 +1651,9 @@ do_import(nvlist_t *config, const char *newname, const char *mntopts,
ZPOOL_CONFIG_POOL_STATE, &state) == 0);
verify(nvlist_lookup_uint64(config,
ZPOOL_CONFIG_VERSION, &version) == 0);
- if (version > SPA_VERSION) {
+ if (!SPA_VERSION_IS_SUPPORTED(version)) {
(void) fprintf(stderr, gettext("cannot import '%s': pool "
- "is formatted using a newer ZFS version\n"), name);
+ "is formatted using an unsupported ZFS version\n"), name);
return (1);
} else if (state != POOL_STATE_EXPORTED &&
!(flags & ZFS_IMPORT_ANY_HOST)) {
@@ -2556,15 +2644,13 @@ static void
print_header(list_cbdata_t *cb)
{
zprop_list_t *pl = cb->cb_proplist;
+ char headerbuf[ZPOOL_MAXPROPLEN];
const char *header;
boolean_t first = B_TRUE;
boolean_t right_justify;
size_t width = 0;
for (; pl != NULL; pl = pl->pl_next) {
- if (pl->pl_prop == ZPROP_INVAL)
- continue;
-
width = pl->pl_width;
if (first && cb->cb_verbose) {
/*
@@ -2579,8 +2665,18 @@ print_header(list_cbdata_t *cb)
else
first = B_FALSE;
- header = zpool_prop_column_name(pl->pl_prop);
- right_justify = zpool_prop_align_right(pl->pl_prop);
+ right_justify = B_FALSE;
+ if (pl->pl_prop != ZPROP_INVAL) {
+ header = zpool_prop_column_name(pl->pl_prop);
+ right_justify = zpool_prop_align_right(pl->pl_prop);
+ } else {
+ int i;
+
+ for (i = 0; pl->pl_user_prop[i] != '\0'; i++)
+ headerbuf[i] = toupper(pl->pl_user_prop[i]);
+ headerbuf[i] = '\0';
+ header = headerbuf;
+ }
if (pl->pl_next == NULL && !right_justify)
(void) printf("%s", header);
@@ -2639,6 +2735,11 @@ print_pool(zpool_handle_t *zhp, list_cbdata_t *cb)
propstr = property;
right_justify = zpool_prop_align_right(pl->pl_prop);
+ } else if ((zpool_prop_feature(pl->pl_user_prop) ||
+ zpool_prop_unsupported(pl->pl_user_prop)) &&
+ zpool_prop_get_feature(zhp, pl->pl_user_prop, property,
+ sizeof (property)) == 0) {
+ propstr = property;
} else {
propstr = "-";
}
@@ -3958,6 +4059,31 @@ status_callback(zpool_handle_t *zhp, void *data)
"backup.\n"));
break;
+ case ZPOOL_STATUS_UNSUP_FEAT_READ:
+ (void) printf(gettext("status: The pool cannot be accessed on "
+ "this system because it uses the\n\tfollowing feature(s) "
+ "not supported on this system:\n"));
+ zpool_print_unsup_feat(config);
+ (void) printf("\n");
+ (void) printf(gettext("action: Access the pool from a system "
+ "that supports the required feature(s),\n\tor restore the "
+ "pool from backup.\n"));
+ break;
+
+ case ZPOOL_STATUS_UNSUP_FEAT_WRITE:
+ (void) printf(gettext("status: The pool can only be accessed "
+ "in read-only mode on this system. It\n\tcannot be "
+ "accessed in read-write mode because it uses the "
+ "following\n\tfeature(s) not supported on this system:\n"));
+ zpool_print_unsup_feat(config);
+ (void) printf("\n");
+ (void) printf(gettext("action: The pool cannot be accessed in "
+ "read-write mode. Import the pool with\n"
+ "\t\"-o readonly=on\", access the pool from a system that "
+ "supports the\n\trequired feature(s), or restore the "
+ "pool from backup.\n"));
+ break;
+
case ZPOOL_STATUS_FAULTED_DEV_R:
(void) printf(gettext("status: One or more devices are "
"faulted in response to persistent errors.\n\tSufficient "
@@ -4182,7 +4308,8 @@ upgrade_cb(zpool_handle_t *zhp, void *arg)
verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
&version) == 0);
- if (!cbp->cb_newer && version < SPA_VERSION) {
+ if (!cbp->cb_newer && SPA_VERSION_IS_SUPPORTED(version) &&
+ version != SPA_VERSION) {
if (!cbp->cb_all) {
if (cbp->cb_first) {
(void) printf(gettext("The following pools are "
@@ -4205,13 +4332,14 @@ upgrade_cb(zpool_handle_t *zhp, void *arg)
"'%s'\n\n"), zpool_get_name(zhp));
}
}
- } else if (cbp->cb_newer && version > SPA_VERSION) {
+ } else if (cbp->cb_newer && !SPA_VERSION_IS_SUPPORTED(version)) {
assert(!cbp->cb_all);
if (cbp->cb_first) {
(void) printf(gettext("The following pools are "
- "formatted using a newer software version and\n"
- "cannot be accessed on the current system.\n\n"));
+ "formatted using an unsupported software version "
+ "and\ncannot be accessed on the current "
+ "system.\n\n"));
(void) printf(gettext("VER POOL\n"));
(void) printf(gettext("--- ------------\n"));
cbp->cb_first = B_FALSE;
@@ -4295,8 +4423,8 @@ zpool_do_upgrade(int argc, char **argv)
break;
case 'V':
cb.cb_version = strtoll(optarg, &end, 10);
- if (*end != '\0' || cb.cb_version > SPA_VERSION ||
- cb.cb_version < SPA_VERSION_1) {
+ if (*end != '\0' ||
+ !SPA_VERSION_IS_SUPPORTED(cb.cb_version)) {
(void) fprintf(stderr,
gettext("invalid version '%s'\n"), optarg);
usage(B_FALSE);
@@ -4341,8 +4469,8 @@ zpool_do_upgrade(int argc, char **argv)
}
}
- (void) printf(gettext("This system is currently running "
- "ZFS pool version %llu.\n\n"), SPA_VERSION);
+ (void) printf(gettext("This system supports ZFS pool feature "
+ "flags.\n\n"));
cb.cb_first = B_TRUE;
if (showversions) {
(void) printf(gettext("The following versions are "
@@ -4923,13 +5051,26 @@ get_callback(zpool_handle_t *zhp, void *data)
pl == cbp->cb_proplist)
continue;
- if (zpool_get_prop(zhp, pl->pl_prop,
- value, sizeof (value), &srctype) != 0)
- continue;
+ if (pl->pl_prop == ZPROP_INVAL &&
+ (zpool_prop_feature(pl->pl_user_prop) ||
+ zpool_prop_unsupported(pl->pl_user_prop))) {
+ srctype = ZPROP_SRC_LOCAL;
+
+ if (zpool_prop_get_feature(zhp, pl->pl_user_prop,
+ value, sizeof (value)) == 0) {
+ zprop_print_one_property(zpool_get_name(zhp),
+ cbp, pl->pl_user_prop, value, srctype,
+ NULL, NULL);
+ }
+ } else {
+ if (zpool_get_prop(zhp, pl->pl_prop, value,
+ sizeof (value), &srctype) != 0)
+ continue;
- zprop_print_one_property(zpool_get_name(zhp), cbp,
- zpool_prop_to_name(pl->pl_prop), value, srctype, NULL,
- NULL);
+ zprop_print_one_property(zpool_get_name(zhp), cbp,
+ zpool_prop_to_name(pl->pl_prop), value, srctype,
+ NULL, NULL);
+ }
}
return (0);
}
@@ -4941,8 +5082,11 @@ zpool_do_get(int argc, char **argv)
zprop_list_t fake_name = { 0 };
int ret;
- if (argc < 3)
+ if (argc < 2) {
+ (void) fprintf(stderr, gettext("missing property "
+ "argument\n"));
usage(B_FALSE);
+ }
cb.cb_first = B_TRUE;
cb.cb_sources = ZPROP_SRC_ALL;
@@ -4952,7 +5096,7 @@ zpool_do_get(int argc, char **argv)
cb.cb_columns[3] = GET_COL_SOURCE;
cb.cb_type = ZFS_TYPE_POOL;
- if (zprop_get_list(g_zfs, argv[1], &cb.cb_proplist,
+ if (zprop_get_list(g_zfs, argv[1], &cb.cb_proplist,
ZFS_TYPE_POOL) != 0)
usage(B_FALSE);
diff --git a/cmd/ztest/ztest.c b/cmd/ztest/ztest.c
index 7e941b5cb..cc2db31e4 100644
--- a/cmd/ztest/ztest.c
+++ b/cmd/ztest/ztest.c
@@ -109,6 +109,7 @@
#include <sys/dsl_scan.h>
#include <sys/zio_checksum.h>
#include <sys/refcount.h>
+#include <sys/zfeature.h>
#include <stdio.h>
#include <stdio_ext.h>
#include <stdlib.h>
@@ -5771,10 +5772,9 @@ make_random_props(void)
{
nvlist_t *props;
- if (ztest_random(2) == 0)
- return (NULL);
-
VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0);
+ if (ztest_random(2) == 0)
+ return (props);
VERIFY(nvlist_add_uint64(props, "autoreplace", 1) == 0);
return (props);
@@ -5789,6 +5789,7 @@ ztest_init(ztest_shared_t *zs)
{
spa_t *spa;
nvlist_t *nvroot, *props;
+ int i;
mutex_init(&ztest_vdev_lock, NULL, MUTEX_DEFAULT, NULL);
rw_init(&ztest_name_lock, NULL, RW_DEFAULT, NULL);
@@ -5805,6 +5806,13 @@ ztest_init(ztest_shared_t *zs)
nvroot = make_vdev_root(NULL, NULL, ztest_opts.zo_vdev_size, 0,
0, ztest_opts.zo_raidz, zs->zs_mirrors, 1);
props = make_random_props();
+ for (i = 0; i < SPA_FEATURES; i++) {
+ char *buf;
+ VERIFY3S(-1, !=, asprintf(&buf, "feature@%s",
+ spa_feature_table[i].fi_uname));
+ VERIFY3U(0, ==, nvlist_add_uint64(props, buf, 0));
+ free(buf);
+ }
VERIFY3U(0, ==, spa_create(ztest_opts.zo_pool, nvroot, props,
NULL, NULL));
nvlist_free(nvroot);