Update to onnv_147

[mirror_zfs-debian.git] / module / zfs / spa_misc.c

diff --git a/module/zfs/spa_misc.c b/module/zfs/spa_misc.c
index 52af7fcb71210c7ec4e990ce7409e02e0eb4968c..1b54afb0be5e9623d01652ad8e2fcd246438c92c 100644 (file)
--- a/module/zfs/spa_misc.c
+++ b/module/zfs/spa_misc.c
@@ -478,6 +478,9 @@ spa_add(const char *name, nvlist_t *config, const char *altroot)
        dp->scd_path = altroot ? NULL : spa_strdup(spa_config_path);
        list_insert_head(&spa->spa_config_list, dp);
 
+       VERIFY(nvlist_alloc(&spa->spa_load_info, NV_UNIQUE_NAME,
+           KM_SLEEP) == 0);
+
        if (config != NULL)
                VERIFY(nvlist_dup(config, &spa->spa_config, 0) == 0);
 
@@ -516,6 +519,7 @@ spa_remove(spa_t *spa)
 
        list_destroy(&spa->spa_config_list);
 
+       nvlist_free(spa->spa_load_info);
        spa_config_set(spa, NULL);
 
        refcount_destroy(&spa->spa_refcount);
@@ -886,10 +890,6 @@ spa_vdev_config_exit(spa_t *spa, vdev_t *vd, uint64_t txg, int error, char *tag)
         */
        vdev_dtl_reassess(spa->spa_root_vdev, 0, 0, B_FALSE);
 
-       /*
-        * If the config changed, notify the scrub that it must restart.
-        * This will initiate a resilver if needed.
-        */
        if (error == 0 && !list_is_empty(&spa->spa_config_dirty_list)) {
                config_changed = B_TRUE;
                spa->spa_config_generation++;
@@ -1078,12 +1078,12 @@ spa_rename(const char *name, const char *newname)
 }
 
 /*
- * Determine whether a pool with given pool_guid exists.  If device_guid is
- * non-zero, determine whether the pool exists *and* contains a device with the
- * specified device_guid.
+ * Return the spa_t associated with given pool_guid, if it exists.  If
+ * device_guid is non-zero, determine whether the pool exists *and* contains
+ * a device with the specified device_guid.
  */
-boolean_t
-spa_guid_exists(uint64_t pool_guid, uint64_t device_guid)
+spa_t *
+spa_by_guid(uint64_t pool_guid, uint64_t device_guid)
 {
        spa_t *spa;
        avl_tree_t *t = &spa_namespace_avl;
@@ -1114,7 +1114,16 @@ spa_guid_exists(uint64_t pool_guid, uint64_t device_guid)
                }
        }
 
-       return (spa != NULL);
+       return (spa);
+}
+
+/*
+ * Determine whether a pool with the given pool_guid exists.
+ */
+boolean_t
+spa_guid_exists(uint64_t pool_guid, uint64_t device_guid)
+{
+       return (spa_by_guid(pool_guid, device_guid) != NULL);
 }
 
 char *