diff options
Diffstat (limited to 'module/zfs/spa.c')
| -rw-r--r-- | module/zfs/spa.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/module/zfs/spa.c b/module/zfs/spa.c index 87af3073a..ba9a0dce3 100644 --- a/module/zfs/spa.c +++ b/module/zfs/spa.c @@ -1896,6 +1896,15 @@ spa_load_l2cache(spa_t *spa) if (!vdev_is_dead(vd)) l2arc_add_vdev(spa, vd); + + /* + * Upon cache device addition to a pool or pool + * creation with a cache device or if the header + * of the device is invalid we issue an async + * TRIM command for the whole device which will + * execute if l2arc_trim_ahead > 0. + */ + spa_async_request(spa, SPA_ASYNC_L2CACHE_TRIM); } } @@ -7994,6 +8003,17 @@ spa_async_thread(void *arg) } /* + * Kick off L2 cache whole device TRIM. + */ + if (tasks & SPA_ASYNC_L2CACHE_TRIM) { + mutex_enter(&spa_namespace_lock); + spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); + vdev_trim_l2arc(spa); + spa_config_exit(spa, SCL_CONFIG, FTAG); + mutex_exit(&spa_namespace_lock); + } + + /* * Kick off L2 cache rebuilding. */ if (tasks & SPA_ASYNC_L2CACHE_REBUILD) { |