From: Fam Zheng <famz@redhat.com>
To: qemu-devel@nongnu.org
Cc: kwolf@redhat.com, stefanha@redhat.com
Subject: [Qemu-devel] [PATCH] block: use DIV_ROUND_UP in bdrv_co_do_readv
Date: Thu, 26 Sep 2013 19:55:33 +0800 [thread overview]
Message-ID: <1380196533-18525-1-git-send-email-famz@redhat.com> (raw)
Signed-off-by: Fam Zheng <famz@redhat.com>
---
block.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block.c b/block.c
index ea4956d..fe7b060 100644
--- a/block.c
+++ b/block.c
@@ -2669,7 +2669,7 @@ static int coroutine_fn bdrv_co_do_readv(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,
--
1.8.3.1
next reply other threads:[~2013-09-26 11:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-26 11:55 Fam Zheng [this message]
2013-09-26 12:05 ` [Qemu-devel] [PATCH] block: use DIV_ROUND_UP in bdrv_co_do_readv Eric Blake
2013-09-26 12:11 ` Kevin Wolf
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