#include "transaction.h"
#include "locking.h"
-/* defrag all the leaves in a given btree. If cache_only == 1, don't read things
- * from disk, otherwise read all the leaves and try to get key order to
+/* defrag all the leaves in a given btree. If cache_only == 1, don't read
+ * things from disk, otherwise read all the leaves and try to get key order to
* better reflect disk order
*/
+
int btrfs_defrag_leaves(struct btrfs_trans_handle *trans,
struct btrfs_root *root, int cache_only)
{
level = btrfs_header_level(root->node);
orig_level = level;
- if (level == 0) {
+ if (level == 0)
goto out;
- }
+
if (root->defrag_progress.objectid == 0) {
struct extent_buffer *root_node;
u32 nritems;
root_node = btrfs_lock_root_node(root);
+ btrfs_set_lock_blocking(root_node);
nritems = btrfs_header_nritems(root_node);
root->defrag_max.objectid = 0;
/* from above we know this is not a leaf */
if (is_extent)
btrfs_extent_post_op(trans, root);
out:
- if (is_extent)
- mutex_unlock(&root->fs_info->alloc_mutex);
-
if (path)
btrfs_free_path(path);
if (ret == -EAGAIN) {