On 32-bit architectures (e.g. m68k):
ERROR: modpost: "__udivdi3" [drivers/md/raid456.ko] undefined!
Since 'sync_blocks' is defined as 64bit, we should use do_div() to
fix this error.
Signed-off-by: Yufen Yu <yuyufen@xxxxxxxxxx>
---
drivers/md/raid5.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 40961dd1777b..a6ff6e1e039b 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -6104,7 +6104,7 @@ static inline sector_t raid5_sync_request(struct mddev *mddev, sector_t sector_n
!md_bitmap_start_sync(mddev->bitmap, sector_nr, &sync_blocks, 1) &&
sync_blocks >= RAID5_STRIPE_SECTORS(conf)) {
/* we can skip this block, and probably more */
- sync_blocks /= RAID5_STRIPE_SECTORS(conf);
+ do_div(sync_blocks, RAID5_STRIPE_SECTORS(conf));
*skipped = 1;
/* keep things rounded to whole stripes */
return sync_blocks * RAID5_STRIPE_SECTORS(conf);
--
2.25.4
