btrfs_search_slot()
if (level != 0)
setup_nodes_for_search()
balance_level()
It is just impossible to have level=0 in balance_level.
Reviewed-by: Nikolay Borisov <nbori...@suse.com>
Signed-off-by: Liu Bo <bo....@linux.alibaba.com>
---
v2: add assertion for level just in case someone breaks the rule in the
future.
fs/btrfs/ctree.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 8b31caa60b0a..ada44c786f2e 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1778,8 +1778,7 @@ static noinline int balance_level(struct
btrfs_trans_handle *trans,
int orig_slot = path->slots[level];
u64 orig_ptr;
- if (level == 0)
- return 0;
+ ASSERT(level > 0);
mid = path->nodes[level];
--
1.8.3.1
