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-rw-r--r--cmd/zhack/zhack.c49
-rw-r--r--module/zfs/dbuf.c8
-rw-r--r--module/zfs/spa.c2
3 files changed, 30 insertions, 29 deletions
diff --git a/cmd/zhack/zhack.c b/cmd/zhack/zhack.c
index 64ab8edbb..ab84046a1 100644
--- a/cmd/zhack/zhack.c
+++ b/cmd/zhack/zhack.c
@@ -20,7 +20,7 @@
*/
/*
- * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2013 Steven Hartland. All rights reserved.
*/
@@ -84,10 +84,15 @@ usage(void)
static void
-fatal(const char *fmt, ...)
+fatal(spa_t *spa, void *tag, const char *fmt, ...)
{
va_list ap;
+ if (spa != NULL) {
+ spa_close(spa, tag);
+ (void) spa_export(g_pool, NULL, B_TRUE, B_FALSE);
+ }
+
va_start(ap, fmt);
(void) fprintf(stderr, "%s: ", cmdname);
(void) vfprintf(stderr, fmt, ap);
@@ -158,13 +163,14 @@ import_pool(const char *target, boolean_t readonly)
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(spa, FTAG, "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);
+ fatal(NULL, FTAG, "cannot import '%s': no such pool "
+ "available\n", g_pool);
}
elem = nvlist_next_nvpair(pools, NULL);
@@ -185,7 +191,8 @@ import_pool(const char *target, boolean_t readonly)
error = 0;
if (error)
- fatal("can't import '%s': %s", name, strerror(error));
+ fatal(NULL, FTAG, "can't import '%s': %s", name,
+ strerror(error));
}
static void
@@ -200,10 +207,11 @@ zhack_spa_open(const char *target, boolean_t readonly, void *tag, spa_t **spa)
zfeature_checks_disable = B_FALSE;
if (err != 0)
- fatal("cannot open '%s': %s", target, strerror(err));
+ fatal(*spa, FTAG, "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));
+ fatal(*spa, FTAG, "'%s' has version %d, features not enabled",
+ target, (int)spa_version(*spa));
}
}
@@ -336,15 +344,16 @@ zhack_do_feature_enable(int argc, char **argv)
feature.fi_guid = argv[1];
if (!zfeature_is_valid_guid(feature.fi_guid))
- fatal("invalid feature guid: %s", feature.fi_guid);
+ fatal(NULL, FTAG, "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");
+ fatal(spa, FTAG, "'%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);
+ fatal(spa, FTAG, "feature already enabled: %s",
+ feature.fi_guid);
VERIFY0(dsl_sync_task(spa_name(spa), NULL,
feature_enable_sync, &feature, 5));
@@ -423,13 +432,14 @@ zhack_do_feature_ref(int argc, char **argv)
feature.fi_guid = argv[1];
if (!zfeature_is_valid_guid(feature.fi_guid))
- fatal("invalid feature guid: %s", feature.fi_guid);
+ fatal(NULL, FTAG, "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");
+ fatal(spa, FTAG, "'%s' is a real feature, will not change "
+ "refcount");
if (0 == zap_contains(mos, spa->spa_feat_for_read_obj,
feature.fi_guid)) {
@@ -438,11 +448,12 @@ zhack_do_feature_ref(int argc, char **argv)
feature.fi_guid)) {
feature.fi_can_readonly = B_TRUE;
} else {
- fatal("feature is not enabled: %s", feature.fi_guid);
+ fatal(spa, FTAG, "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);
+ fatal(spa, FTAG, "feature refcount already 0: %s",
+ feature.fi_guid);
VERIFY0(dsl_sync_task(spa_name(spa), NULL,
decr ? feature_decr_sync : feature_incr_sync, &feature, 5));
@@ -530,8 +541,8 @@ main(int argc, char **argv)
usage();
}
- if (!g_readonly && spa_export(g_pool, NULL, B_TRUE, B_TRUE) != 0) {
- fatal("pool export failed; "
+ if (!g_readonly && spa_export(g_pool, NULL, B_TRUE, B_FALSE) != 0) {
+ fatal(NULL, FTAG, "pool export failed; "
"changes may not be committed to disk\n");
}
diff --git a/module/zfs/dbuf.c b/module/zfs/dbuf.c
index 4f1750650..c70306c9a 100644
--- a/module/zfs/dbuf.c
+++ b/module/zfs/dbuf.c
@@ -1391,14 +1391,6 @@ dbuf_undirty(dmu_buf_impl_t *db, dmu_tx_t *tx)
DB_DNODE_ENTER(db);
dn = DB_DNODE(db);
- /*
- * Note: This code will probably work even if there are concurrent
- * holders, but it is untested in that scenerio, as the ZPL and
- * ztest have additional locking (the range locks) that prevents
- * that type of concurrent access.
- */
- ASSERT3U(refcount_count(&db->db_holds), ==, db->db_dirtycnt);
-
dprintf_dbuf(db, "size=%llx\n", (u_longlong_t)db->db.db_size);
ASSERT(db->db.db_size != 0);
diff --git a/module/zfs/spa.c b/module/zfs/spa.c
index 6a5d48aab..0d0499c63 100644
--- a/module/zfs/spa.c
+++ b/module/zfs/spa.c
@@ -3901,8 +3901,6 @@ spa_import(char *pool, nvlist_t *config, nvlist_t *props, uint64_t flags)
spa_config_sync(spa, B_FALSE, B_TRUE);
mutex_exit(&spa_namespace_lock);
- spa_history_log_version(spa, "import");
-
return (0);
}