diff options
Diffstat (limited to 'module/zfs/spa.c')
-rw-r--r-- | module/zfs/spa.c | 58 |
1 files changed, 40 insertions, 18 deletions
diff --git a/module/zfs/spa.c b/module/zfs/spa.c index f67d980ae..96daf51b6 100644 --- a/module/zfs/spa.c +++ b/module/zfs/spa.c @@ -3273,8 +3273,6 @@ spa_spawn_aux_threads(spa_t *spa) { ASSERT(spa_writeable(spa)); - ASSERT(MUTEX_HELD(&spa_namespace_lock)); - spa_start_raidz_expansion_thread(spa); spa_start_indirect_condensing_thread(spa); spa_start_livelist_destroy_thread(spa); @@ -4981,7 +4979,8 @@ spa_ld_read_checkpoint_txg(spa_t *spa) int error = 0; ASSERT0(spa->spa_checkpoint_txg); - ASSERT(MUTEX_HELD(&spa_namespace_lock)); + ASSERT(MUTEX_HELD(&spa_namespace_lock) || + spa->spa_load_thread == curthread); error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ZPOOL_CHECKPOINT, sizeof (uint64_t), @@ -5228,6 +5227,7 @@ spa_load_impl(spa_t *spa, spa_import_type_t type, const char **ereport) boolean_t checkpoint_rewind = (spa->spa_import_flags & ZFS_IMPORT_CHECKPOINT); boolean_t update_config_cache = B_FALSE; + hrtime_t load_start = gethrtime(); ASSERT(MUTEX_HELD(&spa_namespace_lock)); ASSERT(spa->spa_config_source != SPA_CONFIG_SRC_NONE); @@ -5273,12 +5273,18 @@ spa_load_impl(spa_t *spa, spa_import_type_t type, const char **ereport) } /* + * Drop the namespace lock for the rest of the function. + */ + spa->spa_load_thread = curthread; + mutex_exit(&spa_namespace_lock); + + /* * Retrieve the checkpoint txg if the pool has a checkpoint. */ spa_import_progress_set_notes(spa, "Loading checkpoint txg"); error = spa_ld_read_checkpoint_txg(spa); if (error != 0) - return (error); + goto fail; /* * Retrieve the mapping of indirect vdevs. Those vdevs were removed @@ -5291,7 +5297,7 @@ spa_load_impl(spa_t *spa, spa_import_type_t type, const char **ereport) spa_import_progress_set_notes(spa, "Loading indirect vdev metadata"); error = spa_ld_open_indirect_vdev_metadata(spa); if (error != 0) - return (error); + goto fail; /* * Retrieve the full list of active features from the MOS and check if @@ -5300,7 +5306,7 @@ spa_load_impl(spa_t *spa, spa_import_type_t type, const char **ereport) spa_import_progress_set_notes(spa, "Checking feature flags"); error = spa_ld_check_features(spa, &missing_feat_write); if (error != 0) - return (error); + goto fail; /* * Load several special directories from the MOS needed by the dsl_pool @@ -5309,7 +5315,7 @@ spa_load_impl(spa_t *spa, spa_import_type_t type, const char **ereport) spa_import_progress_set_notes(spa, "Loading special MOS directories"); error = spa_ld_load_special_directories(spa); if (error != 0) - return (error); + goto fail; /* * Retrieve pool properties from the MOS. @@ -5317,7 +5323,7 @@ spa_load_impl(spa_t *spa, spa_import_type_t type, const char **ereport) spa_import_progress_set_notes(spa, "Loading properties"); error = spa_ld_get_props(spa); if (error != 0) - return (error); + goto fail; /* * Retrieve the list of auxiliary devices - cache devices and spares - @@ -5326,7 +5332,7 @@ spa_load_impl(spa_t *spa, spa_import_type_t type, const char **ereport) spa_import_progress_set_notes(spa, "Loading AUX vdevs"); error = spa_ld_open_aux_vdevs(spa, type); if (error != 0) - return (error); + goto fail; /* * Load the metadata for all vdevs. Also check if unopenable devices @@ -5335,17 +5341,17 @@ spa_load_impl(spa_t *spa, spa_import_type_t type, const char **ereport) spa_import_progress_set_notes(spa, "Loading vdev metadata"); error = spa_ld_load_vdev_metadata(spa); if (error != 0) - return (error); + goto fail; spa_import_progress_set_notes(spa, "Loading dedup tables"); error = spa_ld_load_dedup_tables(spa); if (error != 0) - return (error); + goto fail; spa_import_progress_set_notes(spa, "Loading BRT"); error = spa_ld_load_brt(spa); if (error != 0) - return (error); + goto fail; /* * Verify the logs now to make sure we don't have any unexpected errors @@ -5354,7 +5360,7 @@ spa_load_impl(spa_t *spa, spa_import_type_t type, const char **ereport) spa_import_progress_set_notes(spa, "Verifying Log Devices"); error = spa_ld_verify_logs(spa, type, ereport); if (error != 0) - return (error); + goto fail; if (missing_feat_write) { ASSERT(spa->spa_load_state == SPA_LOAD_TRYIMPORT); @@ -5364,8 +5370,9 @@ spa_load_impl(spa_t *spa, spa_import_type_t type, const char **ereport) * read-only mode but not read-write mode. We now have enough * information and can return to userland. */ - return (spa_vdev_err(spa->spa_root_vdev, VDEV_AUX_UNSUP_FEAT, - ENOTSUP)); + error = spa_vdev_err(spa->spa_root_vdev, VDEV_AUX_UNSUP_FEAT, + ENOTSUP); + goto fail; } /* @@ -5376,7 +5383,7 @@ spa_load_impl(spa_t *spa, spa_import_type_t type, const char **ereport) spa_import_progress_set_notes(spa, "Verifying pool data"); error = spa_ld_verify_pool_data(spa); if (error != 0) - return (error); + goto fail; /* * Calculate the deflated space for the pool. This must be done before @@ -5501,13 +5508,19 @@ spa_load_impl(spa_t *spa, spa_import_type_t type, const char **ereport) spa_config_exit(spa, SCL_CONFIG, FTAG); spa_import_progress_set_notes(spa, "Finished importing"); } + zio_handle_import_delay(spa, gethrtime() - load_start); spa_import_progress_remove(spa_guid(spa)); spa_async_request(spa, SPA_ASYNC_L2CACHE_REBUILD); spa_load_note(spa, "LOADED"); +fail: + mutex_enter(&spa_namespace_lock); + spa->spa_load_thread = NULL; + cv_broadcast(&spa_namespace_cv); + + return (error); - return (0); } static int @@ -6757,9 +6770,14 @@ spa_tryimport(nvlist_t *tryconfig) /* * Create and initialize the spa structure. */ + char *name = kmem_alloc(MAXPATHLEN, KM_SLEEP); + (void) snprintf(name, MAXPATHLEN, "%s-%llx-%s", + TRYIMPORT_NAME, (u_longlong_t)curthread, poolname); + mutex_enter(&spa_namespace_lock); - spa = spa_add(TRYIMPORT_NAME, tryconfig, NULL); + spa = spa_add(name, tryconfig, NULL); spa_activate(spa, SPA_MODE_READ); + kmem_free(name, MAXPATHLEN); /* * Rewind pool if a max txg was provided. @@ -6874,6 +6892,7 @@ spa_export_common(const char *pool, int new_state, nvlist_t **oldconfig, { int error; spa_t *spa; + hrtime_t export_start = gethrtime(); if (oldconfig) *oldconfig = NULL; @@ -7018,6 +7037,9 @@ export_spa: spa->spa_is_exporting = B_FALSE; } + if (new_state == POOL_STATE_EXPORTED) + zio_handle_export_delay(spa, gethrtime() - export_start); + mutex_exit(&spa_namespace_lock); return (0); |