Commit eec5b6e0 authored by YueHaibing's avatar YueHaibing Committed by David Sterba
Browse files

btrfs: remove unused function heads_to_leaves 



There's no callers in-tree anymore since commit 64403612 ("btrfs:
rework btrfs_check_space_for_delayed_refs")

Signed-off-by: default avatarYueHaibing <yuehaibing@huawei.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent fb8521ca

fs/btrfs/extent-tree.c

+0 −16
Original line number Diff line number Diff line
@@ -2114,22 +2114,6 @@ static u64 find_middle(struct rb_root *root) 
}

#endif



static inline u64 heads_to_leaves(struct btrfs_fs_info *fs_info, u64 heads)

{

	u64 num_bytes;



	num_bytes = heads * (sizeof(struct btrfs_extent_item) +

			     sizeof(struct btrfs_extent_inline_ref));

	if (!btrfs_fs_incompat(fs_info, SKINNY_METADATA))

		num_bytes += heads * sizeof(struct btrfs_tree_block_info);



	/*

	 * We don't ever fill up leaves all the way so multiply by 2 just to be

	 * closer to what we're really going to want to use.

	 */

	return div_u64(num_bytes, BTRFS_LEAF_DATA_SIZE(fs_info));

}



/*

 * Takes the number of bytes to be csumm'ed and figures out how many leaves it

 * would require to store the csums for that many bytes.