From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36205) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UygMQ-0003Ui-6c for qemu-devel@nongnu.org; Mon, 15 Jul 2013 06:50:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UygMN-0002Bg-Pw for qemu-devel@nongnu.org; Mon, 15 Jul 2013 06:50:30 -0400 Received: from mx.ipv6.kamp.de ([2a02:248:0:51::16]:54263 helo=mx01.kamp.de) by eggs.gnu.org with smtp (Exim 4.71) (envelope-from ) id 1UygMN-00027C-Du for qemu-devel@nongnu.org; Mon, 15 Jul 2013 06:50:27 -0400 From: Peter Lieven Date: Mon, 15 Jul 2013 12:49:32 +0200 Message-Id: <1373885375-13601-2-git-send-email-pl@kamp.de> In-Reply-To: <1373885375-13601-1-git-send-email-pl@kamp.de> References: <1373885375-13601-1-git-send-email-pl@kamp.de> Subject: [Qemu-devel] [PATCH 1/4] block: add discard_zeroes and max_unmap to BlockDriverInfo List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, pbonzini@redhat.com, Peter Lieven , ronniesahlberg@gmail.com, stefanha@redhat.com Signed-off-by: Peter Lieven --- include/block/block.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/block/block.h b/include/block/block.h index 297ec1e..aceb780 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -18,6 +18,11 @@ typedef struct BlockDriverInfo { /* offset at which the VM state can be saved (0 if not possible) */ int64_t vm_state_offset; bool is_dirty; + /* do discarded blocks read back as zeroes? */ + bool discard_zeroes; + /* maximum number of sectors that can be discarded at once */ + int max_unmap; + } BlockDriverInfo; typedef struct BlockFragInfo { -- 1.7.9.5