md/bitmap: fix incorrect DIV_ROUND_UP usage.

DIV_ROUTND_UP doesn't work on "long long", - and it should be sector_t anyway. Signed-off-by: NeilBrown <[email protected]>
cbmeeks · Mar 4, 2015 · 935f3d4 · 935f3d4
1 parent ba599ac
commit 935f3d4
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
@@ -571,11 +571,11 @@ static int bitmap_read_sb(struct bitmap *bitmap)
 re_read:
 	/* If cluster_slot is set, the cluster is setup */
 	if (bitmap->cluster_slot >= 0) {
-		long long bm_blocks;
+		sector_t bm_blocks;
 
 		bm_blocks = bitmap->mddev->resync_max_sectors / (bitmap->mddev->bitmap_info.chunksize >> 9);
 		bm_blocks = bm_blocks << 3;
-		bm_blocks = DIV_ROUND_UP(bm_blocks, 4096);
+		bm_blocks = DIV_ROUND_UP_SECTOR_T(bm_blocks, 4096);
 		bitmap->mddev->bitmap_info.offset += bitmap->cluster_slot * (bm_blocks << 3);
 		pr_info("%s:%d bm slot: %d offset: %llu\n", __func__, __LINE__,
 			bitmap->cluster_slot, (unsigned long long)bitmap->mddev->bitmap_info.offset);