[PATCH 6/6] Btrfs: remove always true check in unlock_up

[Liu Bo]

@path->lock[i] is always true at this point.

Signed-off-by: Liu Bo <bo....@linux.alibaba.com>
---
 fs/btrfs/ctree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index f7c3f581f647..16d28a4ec54f 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -2330,7 +2330,7 @@ static noinline void unlock_up(struct btrfs_path *path, 
int level,
                        no_skips = 1;
 
                t = path->nodes[i];
-               if (i >= lowest_unlock && i > skip_level && path->locks[i]) {
+               if (i >= lowest_unlock && i > skip_level) {
                        btrfs_tree_unlock_rw(t, path->locks[i]);
                        path->locks[i] = 0;
                        if (write_lock_level &&
-- 
1.8.3.1

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