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-rw-r--r--fs/btrfs/ctree.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 5ab25a0cb16..4e136b7b03a 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -998,6 +998,9 @@ static inline void btrfs_mark_buffer_dirty(struct buffer_head *bh)
btrfs_item_offset((leaf)->items + (slot))))
/* extent-tree.c */
+struct btrfs_block_group_cache *btrfs_lookup_block_group(struct
+ btrfs_fs_info *info,
+ u64 blocknr);
struct btrfs_block_group_cache *btrfs_find_block_group(struct btrfs_root *root,
struct btrfs_block_group_cache
*hint, u64 search_start,