marko10_000
/
btrfs-progs
forked from Mirrors/btrfs-progs
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

btrfs-progs: free-space-tree: Remove unused function 

set_free_space_tree_thresholds() is never used, just remove it to solve
the missing-prototypes warning from make W=1.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
master
Qu Wenruo 2018-12-05 14:40:18 +08:00 committed by David Sterba
parent 976d150cb2
commit 3b991b604f
1 changed files with 0 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
free-space-tree.c
View File

@ -25,35 +25,6 @@
#include "bitops.h"
#include "internal.h"
static inline void set_free_space_tree_thresholds(struct btrfs_block_group_cache *cache,
u64 sectorsize)
{
u32 bitmap_range;
size_t bitmap_size;
u64 num_bitmaps, total_bitmap_size;
/*
* We convert to bitmaps when the disk space required for using extents
* exceeds that required for using bitmaps.
*/
bitmap_range = sectorsize * BTRFS_FREE_SPACE_BITMAP_BITS;
num_bitmaps = div_u64(cache->key.offset + bitmap_range - 1,
bitmap_range);
bitmap_size = sizeof(struct btrfs_item) + BTRFS_FREE_SPACE_BITMAP_SIZE;
total_bitmap_size = num_bitmaps * bitmap_size;
cache->bitmap_high_thresh = div_u64(total_bitmap_size,
sizeof(struct btrfs_item));
/*
* We allow for a small buffer between the high threshold and low
* threshold to avoid thrashing back and forth between the two formats.
*/
if (cache->bitmap_high_thresh > 100)
cache->bitmap_low_thresh = cache->bitmap_high_thresh - 100;
else
cache->bitmap_low_thresh = 0;
}
static struct btrfs_free_space_info *
search_free_space_info(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,