diff options
Diffstat (limited to 'fs/btrfs/scrub.c')
| -rw-r--r-- | fs/btrfs/scrub.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 04351b55dd14..c307f25c4846 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -2300,7 +2300,7 @@ static inline void __scrub_mark_bitmap(struct scrub_parity *sparity, u64 offset; u64 nsectors64; u32 nsectors; - int sectorsize = sparity->sctx->fs_info->sectorsize; + u32 sectorsize_bits = sparity->sctx->fs_info->sectorsize_bits; if (len >= sparity->stripe_len) { bitmap_set(bitmap, 0, sparity->nsectors); @@ -2309,8 +2309,8 @@ static inline void __scrub_mark_bitmap(struct scrub_parity *sparity, start -= sparity->logic_start; start = div64_u64_rem(start, sparity->stripe_len, &offset); - offset = div_u64(offset, sectorsize); - nsectors64 = div_u64(len, sectorsize); + offset = offset >> sectorsize_bits; + nsectors64 = len >> sectorsize_bits; ASSERT(nsectors64 < UINT_MAX); nsectors = (u32)nsectors64; @@ -2386,10 +2386,10 @@ static int scrub_find_csum(struct scrub_ctx *sctx, u64 logical, u8 *csum) if (!sum) return 0; - index = div_u64(logical - sum->bytenr, sctx->fs_info->sectorsize); + index = (logical - sum->bytenr) >> sctx->fs_info->sectorsize_bits; ASSERT(index < UINT_MAX); - num_sectors = sum->len / sctx->fs_info->sectorsize; + num_sectors = sum->len >> sctx->fs_info->sectorsize_bits; memcpy(csum, sum->sums + index * sctx->csum_size, sctx->csum_size); if (index == num_sectors - 1) { list_del(&sum->list); @@ -2776,7 +2776,7 @@ static noinline_for_stack int scrub_raid56_parity(struct scrub_ctx *sctx, int extent_mirror_num; int stop_loop = 0; - nsectors = div_u64(map->stripe_len, fs_info->sectorsize); + nsectors = map->stripe_len >> fs_info->sectorsize_bits; bitmap_len = scrub_calc_parity_bitmap_len(nsectors); sparity = kzalloc(sizeof(struct scrub_parity) + 2 * bitmap_len, GFP_NOFS); |