diff options
| -rw-r--r-- | fs/btrfs/free-space-tree.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/fs/btrfs/free-space-tree.c b/fs/btrfs/free-space-tree.c index 84eb1a3ffaca..37d210148c1d 100644 --- a/fs/btrfs/free-space-tree.c +++ b/fs/btrfs/free-space-tree.c @@ -136,9 +136,10 @@ static int btrfs_search_prev_slot(struct btrfs_trans_handle *trans, return 0; } -static inline u32 free_space_bitmap_size(u64 size, u32 sectorsize) +static inline u32 free_space_bitmap_size(const struct btrfs_fs_info *fs_info, + u64 size) { - return DIV_ROUND_UP((u32)div_u64(size, sectorsize), BITS_PER_BYTE); + return DIV_ROUND_UP(size >> fs_info->sectorsize_bits, BITS_PER_BYTE); } static unsigned long *alloc_bitmap(u32 bitmap_size) @@ -200,8 +201,7 @@ int convert_free_space_to_bitmaps(struct btrfs_trans_handle *trans, int done = 0, nr; int ret; - bitmap_size = free_space_bitmap_size(block_group->length, - fs_info->sectorsize); + bitmap_size = free_space_bitmap_size(fs_info, block_group->length); bitmap = alloc_bitmap(bitmap_size); if (!bitmap) { ret = -ENOMEM; @@ -290,8 +290,7 @@ int convert_free_space_to_bitmaps(struct btrfs_trans_handle *trans, u32 data_size; extent_size = min(end - i, bitmap_range); - data_size = free_space_bitmap_size(extent_size, - fs_info->sectorsize); + data_size = free_space_bitmap_size(fs_info, extent_size); key.objectid = i; key.type = BTRFS_FREE_SPACE_BITMAP_KEY; @@ -339,8 +338,7 @@ int convert_free_space_to_extents(struct btrfs_trans_handle *trans, int done = 0, nr; int ret; - bitmap_size = free_space_bitmap_size(block_group->length, - fs_info->sectorsize); + bitmap_size = free_space_bitmap_size(fs_info, block_group->length); bitmap = alloc_bitmap(bitmap_size); if (!bitmap) { ret = -ENOMEM; @@ -383,8 +381,8 @@ int convert_free_space_to_extents(struct btrfs_trans_handle *trans, fs_info->sectorsize * BITS_PER_BYTE); bitmap_cursor = ((char *)bitmap) + bitmap_pos; - data_size = free_space_bitmap_size(found_key.offset, - fs_info->sectorsize); + data_size = free_space_bitmap_size(fs_info, + found_key.offset); ptr = btrfs_item_ptr_offset(leaf, path->slots[0] - 1); read_extent_buffer(leaf, bitmap_cursor, ptr, |