From 4357dd76f558f03fe22f28c360f7798ee3a0d238 Mon Sep 17 00:00:00 2001 From: Sun YangKai Date: Fri, 14 Nov 2025 15:24:48 +0800 Subject: [PATCH] btrfs: remove redundant level reset in btrfs_del_items() When btrfs_del_items() empties a leaf, it deletes the leaf unless it's the root node. For the root leaf case, the code used to reset its level to 0 via btrfs_set_header_level(). This is redundant as leaf nodes always have level == 0. Remove the unnecessary level assignment and invert the conditional to handle only the non-root leaf deletion. The root leaf is correctly left as-is. Signed-off-by: Sun YangKai Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/ctree.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index fc712e00d4fb5..a48b4befbee76 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -4520,9 +4520,7 @@ int btrfs_del_items(struct btrfs_trans_handle *trans, struct btrfs_root *root, /* delete the leaf if we've emptied it */ if (nritems == 0) { - if (leaf == root->node) { - btrfs_set_header_level(leaf, 0); - } else { + if (leaf != root->node) { btrfs_clear_buffer_dirty(trans, leaf); ret = btrfs_del_leaf(trans, root, path, leaf); if (ret < 0) -- 2.47.3