From: Laurent Vivier <lvivier@redhat.com>
Date: Tue, 31 May 2016 16:35:51 +0000 (+0200)
Subject: parallels: Use DIV_ROUND_UP
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=969401fe769264239c0f3e928283433b58910a19;p=qemu.git

parallels: Use DIV_ROUND_UP

Replace (((n) + (d) - 1) /(d)) by DIV_ROUND_UP(n,d).

This patch is the result of coccinelle script
scripts/coccinelle/round.cocci

CC: qemu-block@nongnu.org
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---

diff --git a/block/parallels.c b/block/parallels.c
index 99fc0f77ef..b9b5c6dc3d 100644
--- a/block/parallels.c
+++ b/block/parallels.c
@@ -204,7 +204,7 @@ static int64_t allocate_clusters(BlockDriverState *bs, int64_t sector_num,
         return -EINVAL;
     }
 
-    to_allocate = (sector_num + *pnum + s->tracks - 1) / s->tracks - idx;
+    to_allocate = DIV_ROUND_UP(sector_num + *pnum, s->tracks) - idx;
     space = to_allocate * s->tracks;
     if (s->data_end + space > bdrv_getlength(bs->file->bs) >> BDRV_SECTOR_BITS) {
         int ret;