From 730d9ec36bf27e87805aee6ebf462071735e31f9 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Sat, 10 Oct 2015 18:16:38 +0200 Subject: [PATCH] btrfs: remove waitqueue_active check from btrfs_rm_dev_replace_unblocked Normally the waitqueue_active would need a barrier, but this is not necessary here because it's not a performance sensitive context and we can call wake_up directly. Suggested-by: Chris Mason Signed-off-by: David Sterba --- fs/btrfs/dev-replace.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index e54dd59..733ff75 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -454,8 +454,7 @@ static void btrfs_rm_dev_replace_blocked(struct btrfs_fs_info *fs_info) static void btrfs_rm_dev_replace_unblocked(struct btrfs_fs_info *fs_info) { clear_bit(BTRFS_FS_STATE_DEV_REPLACING, &fs_info->fs_state); - if (waitqueue_active(&fs_info->replace_wait)) - wake_up(&fs_info->replace_wait); + wake_up(&fs_info->replace_wait); } static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info, -- 2.7.4