Btrfs: Remove unused btrfs_block_group_free_space()
We've already recorded the value in block_group->frees_space.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 11d2e9c..3af64c6 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -1685,21 +1685,6 @@
"\n", count);
}
-u64 btrfs_block_group_free_space(struct btrfs_block_group_cache *block_group)
-{
- struct btrfs_free_space *info;
- struct rb_node *n;
- u64 ret = 0;
-
- for (n = rb_first(&block_group->free_space_offset); n;
- n = rb_next(n)) {
- info = rb_entry(n, struct btrfs_free_space, offset_index);
- ret += info->bytes;
- }
-
- return ret;
-}
-
/*
* for a given cluster, put all of its extents back into the free
* space cache. If the block group passed doesn't match the block group
diff --git a/fs/btrfs/free-space-cache.h b/fs/btrfs/free-space-cache.h
index 65c3b93..12b2b51 100644
--- a/fs/btrfs/free-space-cache.h
+++ b/fs/btrfs/free-space-cache.h
@@ -55,7 +55,6 @@
u64 offset, u64 bytes, u64 empty_size);
void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group,
u64 bytes);
-u64 btrfs_block_group_free_space(struct btrfs_block_group_cache *block_group);
int btrfs_find_space_cluster(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_block_group_cache *block_group,