[PATCH 14/25] btrfs: remove unnecessary extent root check in btrfs_defrag_leaves
From: Josef Bacik <josef@toxicpanda.com>
Date: 2021-11-05 20:46:20
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
We only defrag leaves on roots that have SHAREABLE set, so we don't need to check if we're the extent root as it doesn't have SHAREABLE set. Signed-off-by: Josef Bacik <josef@toxicpanda.com> --- fs/btrfs/tree-defrag.c | 8 -------- 1 file changed, 8 deletions(-)
diff --git a/fs/btrfs/tree-defrag.c b/fs/btrfs/tree-defrag.c
index 7c45d960b53c..b6cf39f4e7e4 100644
--- a/fs/btrfs/tree-defrag.c
+++ b/fs/btrfs/tree-defrag.c@@ -27,14 +27,6 @@ int btrfs_defrag_leaves(struct btrfs_trans_handle *trans, int next_key_ret = 0; u64 last_ret = 0; - if (root->fs_info->extent_root == root) { - /* - * there's recursion here right now in the tree locking, - * we can't defrag the extent root without deadlock - */ - goto out; - } - if (!test_bit(BTRFS_ROOT_SHAREABLE, &root->state)) goto out;
--
2.26.3