From 707398814bf924b6c430a49897171d1322011bff Mon Sep 17 00:00:00 2001 From: Kevin Wolf Date: Thu, 26 Sep 2013 19:55:33 +0800 Subject: [PATCH 18/37] block: use DIV_ROUND_UP in bdrv_co_do_readv Message-id: <1392117622-28812-19-git-send-email-kwolf@redhat.com> Patchwork-id: 57183 O-Subject: [RHEL-7.0 qemu-kvm PATCH v2 18/37] block: use DIV_ROUND_UP in bdrv_co_do_readv Bugzilla: 748906 RH-Acked-by: Laszlo Ersek RH-Acked-by: Stefan Hajnoczi RH-Acked-by: Max Reitz From: Fam Zheng Signed-off-by: Fam Zheng Reviewed-by: Eric Blake Signed-off-by: Kevin Wolf (cherry picked from commit d055a1fec37ec84fd3e87d48a0e766a9ff8369c4) Signed-off-by: Kevin Wolf --- block.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- block.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/block.c b/block.c index 645bcd0..feeab4e 100644 --- a/block.c +++ b/block.c @@ -2795,7 +2795,7 @@ static int coroutine_fn bdrv_aligned_preadv(BlockDriverState *bs, goto out; } - total_sectors = (len + BDRV_SECTOR_SIZE - 1) >> BDRV_SECTOR_BITS; + total_sectors = DIV_ROUND_UP(len, BDRV_SECTOR_SIZE); max_nb_sectors = MAX(0, total_sectors - sector_num); if (max_nb_sectors > 0) { ret = drv->bdrv_co_readv(bs, sector_num, -- 1.7.1