diff options
Diffstat (limited to 'include/sys/spa_impl.h')
| -rw-r--r-- | include/sys/spa_impl.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/include/sys/spa_impl.h b/include/sys/spa_impl.h index 8d2a20dbb..1b8e48180 100644 --- a/include/sys/spa_impl.h +++ b/include/sys/spa_impl.h @@ -239,8 +239,16 @@ struct spa { uint64_t spa_last_synced_guid; /* last synced guid */ list_t spa_config_dirty_list; /* vdevs with dirty config */ list_t spa_state_dirty_list; /* vdevs with dirty state */ - kmutex_t spa_alloc_lock; - avl_tree_t spa_alloc_tree; + /* + * spa_alloc_locks and spa_alloc_trees are arrays, whose lengths are + * stored in spa_alloc_count. There is one tree and one lock for each + * allocator, to help improve allocation performance in write-heavy + * workloads. + */ + kmutex_t *spa_alloc_locks; + avl_tree_t *spa_alloc_trees; + int spa_alloc_count; + spa_aux_vdev_t spa_spares; /* hot spares */ spa_aux_vdev_t spa_l2cache; /* L2ARC cache devices */ nvlist_t *spa_label_features; /* Features for reading MOS */ |