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From: Laurent Vivier <lvivier@redhat.com>
To: qemu-trivial@nongnu.org, qemu-devel@nongnu.org
Cc: Laurent Vivier <lvivier@redhat.com>, qemu-block@nongnu.org
Subject: [Qemu-devel] [PATCH 02/16] parallels: Use DIV_ROUND_UP
Date: Tue, 31 May 2016 18:35:51 +0200	[thread overview]
Message-ID: <1464712565-14857-3-git-send-email-lvivier@redhat.com> (raw)
In-Reply-To: <1464712565-14857-1-git-send-email-lvivier@redhat.com>

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>
---
 block/parallels.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/parallels.c b/block/parallels.c
index 99fc0f7..b9b5c6d 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;
-- 
2.5.5

  parent reply	other threads:[~2016-05-31 16:36 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-31 16:35 [Qemu-devel] [PATCH 00/16] use macro DIV_ROUND_UP instead of (((n) + (d) - 1) /(d)) Laurent Vivier
2016-05-31 16:35 ` [Qemu-devel] [PATCH 01/16] coccinelle: " Laurent Vivier
2016-05-31 17:12   ` Eric Blake
2016-05-31 17:24     ` Laurent Vivier
2016-05-31 16:35 ` Laurent Vivier [this message]
2016-05-31 17:18   ` [Qemu-devel] [PATCH 02/16] parallels: Use DIV_ROUND_UP Eric Blake
2016-05-31 16:35 ` [Qemu-devel] [PATCH 03/16] qcow/qcow2: " Laurent Vivier
2016-05-31 17:20   ` Eric Blake
2016-05-31 16:35 ` [Qemu-devel] [PATCH 04/16] qed: " Laurent Vivier
2016-05-31 17:49   ` Eric Blake
2016-05-31 16:35 ` [Qemu-devel] [PATCH 05/16] block: " Laurent Vivier
2016-05-31 17:50   ` Eric Blake
2016-05-31 16:35 ` [Qemu-devel] [PATCH 06/16] crypto: " Laurent Vivier
2016-05-31 16:45   ` Daniel P. Berrange
2016-05-31 16:35 ` [Qemu-devel] [PATCH 07/16] xen: " Laurent Vivier
2016-06-01  9:33   ` Stefano Stabellini
2016-05-31 16:35 ` [Qemu-devel] [PATCH 08/16] audio: " Laurent Vivier
2016-05-31 16:35 ` [Qemu-devel] [PATCH 09/16] SPICE: " Laurent Vivier
2016-05-31 16:35 ` [Qemu-devel] [PATCH 10/16] rocker: " Laurent Vivier
2016-05-31 16:36 ` [Qemu-devel] [PATCH 11/16] usb: " Laurent Vivier
2016-05-31 16:36 ` [Qemu-devel] [PATCH 12/16] slirp: " Laurent Vivier
2016-05-31 16:41   ` Samuel Thibault
2016-05-31 16:36 ` [Qemu-devel] [PATCH 13/16] linux-user: " Laurent Vivier
2016-05-31 16:36 ` [Qemu-devel] [PATCH 14/16] pc-bios/s390-ccw: " Laurent Vivier
2016-05-31 16:36 ` [Qemu-devel] [PATCH 15/16] qemu-timer: " Laurent Vivier
2016-05-31 16:36 ` [Qemu-devel] [PATCH 16/16] hbitmap: " Laurent Vivier
2016-06-03 18:17   ` John Snow
2016-06-05  7:16 ` [Qemu-devel] [PATCH 00/16] use macro DIV_ROUND_UP instead of (((n) + (d) - 1) /(d)) Michael Tokarev

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