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-rw-r--r--block/blk-lib.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/blk-lib.c b/block/blk-lib.c
index e01adb5145b3..62240f8832ca 100644
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -269,9 +269,9 @@ static int __blkdev_issue_write_zeroes(struct block_device *bdev,
*/
static unsigned int __blkdev_sectors_to_bio_pages(sector_t nr_sects)
{
- sector_t bytes = (nr_sects << 9) + PAGE_SIZE - 1;
+ sector_t pages = DIV_ROUND_UP_SECTOR_T(nr_sects, PAGE_SIZE / 512);
- return min(bytes >> PAGE_SHIFT, (sector_t)BIO_MAX_PAGES);
+ return min(pages, (sector_t)BIO_MAX_PAGES);
}
/**