From: Josef Bacik <josef@toxicpanda.com> Date: Fri, 5 Nov 2021 20:45:40 +0000 (-0400) Subject: btrfs: remove unnecessary extent root check in btrfs_defrag_leaves X-Git-Tag: baikal/aarch64/sdk6.1~4929^2~68 X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=03c4c35f2432be1271a8d55b675d67a583dee496;p=kernel.git btrfs: remove unnecessary extent root check in btrfs_defrag_leaves 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> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> --- diff --git a/fs/btrfs/tree-defrag.c b/fs/btrfs/tree-defrag.c index 7c45d960b53c6..b6cf39f4e7e48 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;