Fixes gcc '-Wunused-but-set-variable' warning:
fs/btrfs/tree-log.c: In function ‘walk_down_log_tree’:
fs/btrfs/tree-log.c:2702:24: warning: variable ‘parent’
set but not used [-Wunused-but-set-variable]
fs/btrfs/tree-log.c: In function ‘walk_up_log_tree’:
fs/btrfs/tree-log.c:2803:26: warning: variable ‘parent’
set but not used [-Wunused-but-set-variable]
They are never used, and so can be removed.
Signed-off-by: yu kuai <yukuai3@xxxxxxxxxx>
---
fs/btrfs/tree-log.c | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 156beda01b18..19c107be9ef6 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -2699,7 +2699,6 @@ static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans,
u64 ptr_gen;
struct extent_buffer *next;
struct extent_buffer *cur;
- struct extent_buffer *parent;
u32 blocksize;
int ret = 0;
@@ -2719,8 +2718,6 @@ static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans,
btrfs_node_key_to_cpu(cur, &first_key, path->slots[*level]);
blocksize = fs_info->nodesize;
- parent = path->nodes[*level];
-
next = btrfs_find_create_tree_block(fs_info, bytenr);
if (IS_ERR(next))
return PTR_ERR(next);
@@ -2800,12 +2797,6 @@ static noinline int walk_up_log_tree(struct btrfs_trans_handle *trans,
WARN_ON(*level == 0);
return 0;
} else {
- struct extent_buffer *parent;
- if (path->nodes[*level] == root->node)
- parent = path->nodes[*level];
- else
- parent = path->nodes[*level + 1];
-
ret = wc->process_func(root, path->nodes[*level], wc,
btrfs_header_generation(path->nodes[*level]),
*level);
--
2.17.2
