Commit
3d8da6781760 ("Btrfs: fix divide error upon chunk's stripe_len")
changed stripe_len in struct map_lookup to u64, but didn't update
stripe_len in struct scrub_parity.
This updates the type and switches to div64_u64_rem to match u64 divisor.
Cc: David Sterba <dsterba@suse.cz>
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
int nsectors;
- int stripe_len;
+ u64 stripe_len;
refcount_t refs;
unsigned long *bitmap,
u64 start, u64 len)
{
- u32 offset;
+ u64 offset;
int nsectors;
int sectorsize = sparity->sctx->fs_info->sectorsize;
}
start -= sparity->logic_start;
- start = div_u64_rem(start, sparity->stripe_len, &offset);
- offset /= sectorsize;
+ start = div64_u64_rem(start, sparity->stripe_len, &offset);
+ offset = div_u64(offset, sectorsize);
nsectors = (int)len / sectorsize;
if (offset + nsectors <= sparity->nsectors) {