@@ -2444,3 +2444,19 @@ int btrfs_backref_iter_next(struct btrfs_backref_iter *iter)
path->slots[0]);
return 0;
}
+
+void backref_cache_init(struct btrfs_fs_info *fs_info,
+ struct backref_cache *cache, int is_reloc)
+{
+ int i;
+ cache->rb_root = RB_ROOT;
+ cache->fs_info = fs_info;
+ for (i = 0; i < BTRFS_MAX_LEVEL; i++)
+ INIT_LIST_HEAD(&cache->pending[i]);
+ INIT_LIST_HEAD(&cache->changed);
+ INIT_LIST_HEAD(&cache->detached);
+ INIT_LIST_HEAD(&cache->leaves);
+ cache->is_reloc = is_reloc;
+ INIT_LIST_HEAD(&cache->pending_edge);
+ INIT_LIST_HEAD(&cache->useless_node);
+}
@@ -290,4 +290,6 @@ struct backref_cache {
struct btrfs_fs_info *fs_info;
};
+void backref_cache_init(struct btrfs_fs_info *fs_info,
+ struct backref_cache *cache, int is_reloc);
#endif
@@ -185,22 +185,6 @@ static void mapping_tree_init(struct mapping_tree *tree)
spin_lock_init(&tree->lock);
}
-static void backref_cache_init(struct btrfs_fs_info *fs_info,
- struct backref_cache *cache, int is_reloc)
-{
- int i;
- cache->rb_root = RB_ROOT;
- cache->fs_info = fs_info;
- for (i = 0; i < BTRFS_MAX_LEVEL; i++)
- INIT_LIST_HEAD(&cache->pending[i]);
- INIT_LIST_HEAD(&cache->changed);
- INIT_LIST_HEAD(&cache->detached);
- INIT_LIST_HEAD(&cache->leaves);
- cache->is_reloc = is_reloc;
- INIT_LIST_HEAD(&cache->pending_edge);
- INIT_LIST_HEAD(&cache->useless_node);
-}
-
static void backref_cache_cleanup(struct backref_cache *cache)
{
struct backref_node *node;
Signed-off-by: Qu Wenruo <wqu@suse.com> --- fs/btrfs/backref.c | 16 ++++++++++++++++ fs/btrfs/backref.h | 2 ++ fs/btrfs/relocation.c | 16 ---------------- 3 files changed, 18 insertions(+), 16 deletions(-)