From patchwork Tue Dec 14 21:16:19 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonthan Brassow X-Patchwork-Id: 411441 Received: from mx4-phx2.redhat.com (mx4-phx2.redhat.com [209.132.183.25]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id oBELIfmc029161 for ; Tue, 14 Dec 2010 21:19:01 GMT Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by mx4-phx2.redhat.com (8.13.8/8.13.8) with ESMTP id oBELGuqR031320; Tue, 14 Dec 2010 16:16:56 -0500 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id oBELGQvU001009 for ; Tue, 14 Dec 2010 16:16:26 -0500 Received: from hydrogen.msp.redhat.com (hydrogen.msp.redhat.com [10.15.80.1]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id oBELGKL5021743 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 14 Dec 2010 16:16:20 -0500 Received: from hydrogen.msp.redhat.com ([127.0.0.1]) by hydrogen.msp.redhat.com (8.14.1/8.14.1) with ESMTP id oBELGJbu015373 for ; Tue, 14 Dec 2010 15:16:19 -0600 Received: (from jbrassow@localhost) by hydrogen.msp.redhat.com (8.14.1/8.14.1/Submit) id oBELGJ1m015372 for dm-devel@redhat.com; Tue, 14 Dec 2010 15:16:19 -0600 Date: Tue, 14 Dec 2010 15:16:19 -0600 From: Jonathan Brassow Message-Id: <201012142116.oBELGJ1m015372@hydrogen.msp.redhat.com> To: dm-devel@redhat.com X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-loop: dm-devel@redhat.com Subject: [dm-devel] [PATCH 2 of 8] md minor updates X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk Reply-To: device-mapper development List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Tue, 14 Dec 2010 21:19:01 +0000 (UTC) Index: linux-2.6/drivers/md/bitmap.c =================================================================== --- linux-2.6.orig/drivers/md/bitmap.c +++ linux-2.6/drivers/md/bitmap.c @@ -925,11 +925,11 @@ static int bitmap_init_from_disk(struct printk(KERN_INFO "%s: bitmap file is out of date, doing full " "recovery\n", bmname(bitmap)); - bytes = (chunks + 7) / 8; + bytes = DIV_ROUND_UP(bitmap->chunks, 8); if (!bitmap->mddev->bitmap_info.external) bytes += sizeof(bitmap_super_t); - num_pages = (bytes + PAGE_SIZE - 1) / PAGE_SIZE; + num_pages = DIV_ROUND_UP(bytes, PAGE_SIZE); if (file && i_size_read(file->f_mapping->host) < bytes) { printk(KERN_INFO "%s: bitmap file too short %lu < %lu\n",