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Btrfs: remove always true check in unlock_up

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As unlock_up() is written as

for () {
   if (!path->locks[i])
       break;
   ...
   if (... && path->locks[i]) {
   }
}

Apparently, @path->locks[i] is always true at this 'if'.

Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Liu Bo 2018-05-18 11:00:24 +08:00 committed by David Sterba
parent 662c653bfd
commit d80bb3f905
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/ctree.c
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@ -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 &&