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Diffstat (limited to 'extent-tree.c')
-rw-r--r--extent-tree.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/extent-tree.c b/extent-tree.c
index 33aa0557..c9b2a088 100644
--- a/extent-tree.c
+++ b/extent-tree.c
@@ -1209,6 +1209,7 @@ static int __free_extent(struct btrfs_trans_handle *trans, struct btrfs_root
struct btrfs_path *path;
struct btrfs_key key;
struct btrfs_fs_info *info = root->fs_info;
+ struct btrfs_extent_ops *ops = info->extent_ops;
struct btrfs_root *extent_root = info->extent_root;
struct extent_buffer *leaf;
int ret;
@@ -1272,11 +1273,13 @@ static int __free_extent(struct btrfs_trans_handle *trans, struct btrfs_root
root_used = btrfs_root_used(&root->root_item);
btrfs_set_root_used(&root->root_item,
root_used - num_bytes);
-
ret = btrfs_del_item(trans, extent_root, path);
- if (ret) {
+ if (ret)
return ret;
- }
+
+ if (ops && ops->free_extent)
+ ops->free_extent(root, bytenr, num_bytes);
+
ret = update_block_group(trans, root, bytenr, num_bytes, 0,
mark_free, 0);
BUG_ON(ret);
@@ -1626,6 +1629,7 @@ int btrfs_alloc_extent(struct btrfs_trans_handle *trans,
u64 new_hint;
*/
struct btrfs_fs_info *info = root->fs_info;
+ struct btrfs_extent_ops *ops = info->extent_ops;
struct btrfs_root *extent_root = info->extent_root;
struct btrfs_extent_item extent_item;
struct btrfs_path *path;
@@ -1637,12 +1641,15 @@ int btrfs_alloc_extent(struct btrfs_trans_handle *trans,
if (new_hint < btrfs_super_total_bytes(&info->super_copy))
hint_byte = new_hint;
*/
-
WARN_ON(num_bytes < root->sectorsize);
- ret = find_free_extent(trans, root, num_bytes, empty_size,
- search_start, search_end, hint_byte, ins,
- trans->alloc_exclude_start,
- trans->alloc_exclude_nr, data);
+ if (ops && ops->alloc_extent) {
+ ret = ops->alloc_extent(root, num_bytes, hint_byte, ins);
+ } else {
+ ret = find_free_extent(trans, root, num_bytes, empty_size,
+ search_start, search_end, hint_byte,
+ ins, trans->alloc_exclude_start,
+ trans->alloc_exclude_nr, data);
+ }
BUG_ON(ret);
if (ret)
return ret;