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btrfs: remove waitqueue_active check from btrfs_rm_dev_replace_unblocked

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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 <clm@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2015-10-10 18:16:38 +02:00
parent 9ffecb1028
commit 730d9ec36b
1 changed files with 1 additions and 2 deletions
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3
fs/btrfs/dev-replace.c
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@ -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,