diff options
Diffstat (limited to 'fs/btrfs/tree-defrag.c')
| -rw-r--r-- | fs/btrfs/tree-defrag.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/fs/btrfs/tree-defrag.c b/fs/btrfs/tree-defrag.c index 5f9e2dd413af..b6cf39f4e7e4 100644 --- a/fs/btrfs/tree-defrag.c +++ b/fs/btrfs/tree-defrag.c @@ -27,15 +27,7 @@ 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_REF_COWS, &root->state)) + if (!test_bit(BTRFS_ROOT_SHAREABLE, &root->state)) goto out; path = btrfs_alloc_path(); @@ -52,7 +44,6 @@ int btrfs_defrag_leaves(struct btrfs_trans_handle *trans, u32 nritems; root_node = btrfs_lock_root_node(root); - btrfs_set_lock_blocking_write(root_node); nritems = btrfs_header_nritems(root_node); root->defrag_max.objectid = 0; /* from above we know this is not a leaf */ @@ -133,10 +124,9 @@ out: ret = 0; } done: - if (ret != -EAGAIN) { + if (ret != -EAGAIN) memset(&root->defrag_progress, 0, sizeof(root->defrag_progress)); - root->defrag_trans_start = trans->transid; - } + return ret; } |