btrfs: use a single if() statement for one outcome in get_block_rsv()

Rather than have three separate if() statements for the same outcome
we should just OR them together in the same if() statement.

Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: Alexandru Moise <00moses.alexander00@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 601d7d4..8a1759b 100644 (file)
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4891,13 +4891,9 @@ static struct btrfs_block_rsv *get_block_rsv(
 {
        struct btrfs_block_rsv *block_rsv = NULL;
 
-       if (test_bit(BTRFS_ROOT_REF_COWS, &root->state))
-               block_rsv = trans->block_rsv;
-
-       if (root == root->fs_info->csum_root && trans->adding_csums)
-               block_rsv = trans->block_rsv;
-
-       if (root == root->fs_info->uuid_root)
+       if (test_bit(BTRFS_ROOT_REF_COWS, &root->state) ||
+           (root == root->fs_info->csum_root && trans->adding_csums) ||
+            (root == root->fs_info->uuid_root))
                block_rsv = trans->block_rsv;
 
        if (!block_rsv)