From patchwork Thu Jul 25 14:23:15 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 261719 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id D2B622C0097 for ; Fri, 26 Jul 2013 00:29:03 +1000 (EST) Received: from localhost ([::1]:53219 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V2MXN-0001ty-Uf for incoming@patchwork.ozlabs.org; Thu, 25 Jul 2013 10:29:01 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36071) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V2MTD-0004Sn-Gb for qemu-devel@nongnu.org; Thu, 25 Jul 2013 10:24:45 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V2MTC-00080r-C1 for qemu-devel@nongnu.org; Thu, 25 Jul 2013 10:24:43 -0400 Received: from mail-gg0-x22d.google.com ([2607:f8b0:4002:c02::22d]:46266) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V2MTC-00080h-8F for qemu-devel@nongnu.org; Thu, 25 Jul 2013 10:24:42 -0400 Received: by mail-gg0-f173.google.com with SMTP id k5so409531ggn.32 for ; Thu, 25 Jul 2013 07:24:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; bh=aB2urkzOsTirz/d+7LUyR/iKiTmfXrhM/o2C2uuqB3w=; b=jaKPjvY/Rv6XEiuXpXNY+onyRGAEpwSigsFm1p9wshbdfFwymkyWz+094tYLf7bwSk ZpP7hYea/j0v7nUscx5i65exTfrZ7tS0KWNkq2DCSPvsooqgDYkzu9etYxYp1UODIo3f PpnKMFYzC8kWnDXV3uWFduxDJMNzu5QOGPcT1r8wDOJUt2PMzuOKa+9iTJ6PCF7C2RHo ChnKhnzkmgY5prPn4rMjHnaIrw2LWcVbUyp4WNsxtF+P4M8tk9R0is52e6alSvw2zkc7 aDaE/4zZDWtF+kENzLzh1FSwctEzQkMyz/AnnjVaQ6DW4kUA98fu6HqJZ8eu550z29aY GHsA== X-Received: by 10.236.17.105 with SMTP id i69mr18958793yhi.157.1374762281911; Thu, 25 Jul 2013 07:24:41 -0700 (PDT) Received: from yakj.usersys.redhat.com (net-2-39-8-162.cust.dsl.vodafone.it. [2.39.8.162]) by mx.google.com with ESMTPSA id b48sm58469338yhc.8.2013.07.25.07.24.38 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Thu, 25 Jul 2013 07:24:40 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Date: Thu, 25 Jul 2013 16:23:15 +0200 Message-Id: <1374762197-7261-18-git-send-email-pbonzini@redhat.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1374762197-7261-1-git-send-email-pbonzini@redhat.com> References: <1374762197-7261-1-git-send-email-pbonzini@redhat.com> X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2607:f8b0:4002:c02::22d Cc: kwolf@redhat.com, pl@kamp.de, stefanha@redhat.com Subject: [Qemu-devel] [PATCH v3 17/19] raw-posix: detect XFS unwritten extents X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Reviewed-by: Eric Blake Signed-off-by: Paolo Bonzini --- block/raw-posix.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/block/raw-posix.c b/block/raw-posix.c index d011cfd..1b41ea3 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -1128,6 +1128,9 @@ static int64_t coroutine_fn raw_co_get_block_status(BlockDriverState *bs, } else { data = f.fe.fe_logical; hole = f.fe.fe_logical + f.fe.fe_length; + if (f.fe.fe_flags & FIEMAP_EXTENT_UNWRITTEN) { + ret |= BDRV_BLOCK_ZERO; + } } #elif defined SEEK_HOLE && defined SEEK_DATA