From patchwork Wed May 25 23:53:03 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: jvrao X-Patchwork-Id: 97473 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 291FAB6F9D for ; Thu, 26 May 2011 10:01:30 +1000 (EST) Received: from localhost ([::1]:48934 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QPO11-0001w4-KI for incoming@patchwork.ozlabs.org; Wed, 25 May 2011 20:01:27 -0400 Received: from eggs.gnu.org ([140.186.70.92]:49115) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QPNtY-0008GB-8w for qemu-devel@nongnu.org; Wed, 25 May 2011 19:53:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QPNtS-0007Wc-Gi for qemu-devel@nongnu.org; Wed, 25 May 2011 19:53:43 -0400 Received: from e37.co.us.ibm.com ([32.97.110.158]:41326) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QPNtS-0007WJ-8n for qemu-devel@nongnu.org; Wed, 25 May 2011 19:53:38 -0400 Received: from d03relay05.boulder.ibm.com (d03relay05.boulder.ibm.com [9.17.195.107]) by e37.co.us.ibm.com (8.14.4/8.13.1) with ESMTP id p4PNodVl028831 for ; Wed, 25 May 2011 17:50:39 -0600 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d03relay05.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p4PNrVcg355982 for ; Wed, 25 May 2011 17:53:31 -0600 Received: from d03av02.boulder.ibm.com (loopback [127.0.0.1]) by d03av02.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id p4PHr3kW018438 for ; Wed, 25 May 2011 11:53:04 -0600 Received: from oc6675851006.ibm.com (dyn9041079012.austin.ibm.com [9.41.79.12]) by d03av02.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id p4PHqwLm018178; Wed, 25 May 2011 11:53:02 -0600 From: "Venkateswararao Jujjuri (JV)" To: qemu-devel@nongnu.org Date: Wed, 25 May 2011 16:53:03 -0700 Message-Id: <1306367597-797-16-git-send-email-jvrao@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1306367597-797-1-git-send-email-jvrao@linux.vnet.ibm.com> References: <1306367597-797-1-git-send-email-jvrao@linux.vnet.ibm.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-Received-From: 32.97.110.158 Cc: "Venkateswararao Jujjuri \"" , stefanha@linux.vnet.ibm.com, "Aneesh Kumar K.V" Subject: [Qemu-devel] [PATCH 15/29] hw/9pfs: Add yield support for fsync coroutine 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 From: Aneesh Kumar K.V Signed-off-by: Aneesh Kumar K.V Signed-off-by: Venkateswararao Jujjuri " --- hw/9pfs/cofile.c | 16 ++++++++++++++++ hw/9pfs/virtio-9p-coth.h | 1 + 2 files changed, 17 insertions(+), 0 deletions(-) diff --git a/hw/9pfs/cofile.c b/hw/9pfs/cofile.c index e552999..26dd636 100644 --- a/hw/9pfs/cofile.c +++ b/hw/9pfs/cofile.c @@ -97,3 +97,19 @@ int v9fs_co_close(V9fsState *s, V9fsFidState *fidp) }); return err; } + +int v9fs_co_fsync(V9fsState *s, V9fsFidState *fidp, int datasync) +{ + int fd; + int err; + + fd = fidp->fs.fd; + v9fs_co_run_in_worker( + { + err = s->ops->fsync(&s->ctx, fd, datasync); + if (err < 0) { + err = -errno; + } + }); + return err; +} diff --git a/hw/9pfs/virtio-9p-coth.h b/hw/9pfs/virtio-9p-coth.h index 5d7dfd7..a3881f3 100644 --- a/hw/9pfs/virtio-9p-coth.h +++ b/hw/9pfs/virtio-9p-coth.h @@ -85,4 +85,5 @@ extern int v9fs_co_lsetxattr(V9fsState *, V9fsString *, V9fsString *, extern int v9fs_co_lremovexattr(V9fsState *, V9fsString *, V9fsString *); extern int v9fs_co_closedir(V9fsState *, V9fsFidState *); extern int v9fs_co_close(V9fsState *, V9fsFidState *); +extern int v9fs_co_fsync(V9fsState *, V9fsFidState *, int); #endif