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authorJosef Bacik <josef@toxicpanda.com>2021-11-05 21:45:40 +0100
committerDavid Sterba <dsterba@suse.com>2022-01-03 15:09:48 +0100
commit3478c732520a01561bb49f8c5d469f02419fd922 (patch)
treed51c87c19be00d0b4238a2b68e07cb4af0f4037b
parentbtrfs: do not special case the extent root for switch commit roots (diff)
downloadlinux-3478c732520a01561bb49f8c5d469f02419fd922.tar.xz
linux-3478c732520a01561bb49f8c5d469f02419fd922.zip
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>
-rw-r--r--fs/btrfs/tree-defrag.c8
1 files changed, 0 insertions, 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;