From patchwork Mon Aug 8 17:06:29 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Aneesh Kumar K.V" X-Patchwork-Id: 109032 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 F23D8B6F71 for ; Tue, 9 Aug 2011 04:04:03 +1000 (EST) Received: from localhost ([::1]:44395 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QqUBA-0007tz-Dy for incoming@patchwork.ozlabs.org; Mon, 08 Aug 2011 14:03:56 -0400 Received: from eggs.gnu.org ([140.186.70.92]:59745) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QqTJF-00068y-0N for qemu-devel@nongnu.org; Mon, 08 Aug 2011 13:08:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QqTJD-0002Gk-MX for qemu-devel@nongnu.org; Mon, 08 Aug 2011 13:08:12 -0400 Received: from e23smtp07.au.ibm.com ([202.81.31.140]:36791) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QqTJC-00021b-Qn for qemu-devel@nongnu.org; Mon, 08 Aug 2011 13:08:11 -0400 Received: from d23relay03.au.ibm.com (d23relay03.au.ibm.com [202.81.31.245]) by e23smtp07.au.ibm.com (8.14.4/8.13.1) with ESMTP id p78H74TP025893 for ; Tue, 9 Aug 2011 03:07:04 +1000 Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay03.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p78H74Gq1400910 for ; Tue, 9 Aug 2011 03:07:04 +1000 Received: from d23av02.au.ibm.com (loopback [127.0.0.1]) by d23av02.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id p78H73HN026253 for ; Tue, 9 Aug 2011 03:07:04 +1000 Received: from skywalker.ibm.com ([9.80.65.225]) by d23av02.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id p78H6wjk025812; Tue, 9 Aug 2011 03:07:02 +1000 From: "Aneesh Kumar K.V" To: qemu-devel@nongnu.org Date: Mon, 8 Aug 2011 22:36:29 +0530 Message-Id: <1312823215-28675-3-git-send-email-aneesh.kumar@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1312823215-28675-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> References: <1312823215-28675-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-Received-From: 202.81.31.140 Cc: aliguori@us.ibm.com, "Aneesh Kumar K.V" Subject: [Qemu-devel] [PATCH -V4 02/28] hw/9pfs: Add yeild support for fstat 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 Signed-off-by: Aneesh Kumar K.V --- hw/9pfs/cofile.c | 14 ++++++++++++++ hw/9pfs/virtio-9p-coth.h | 1 + 2 files changed, 15 insertions(+), 0 deletions(-) diff --git a/hw/9pfs/cofile.c b/hw/9pfs/cofile.c index a4c0ae7..e400b86 100644 --- a/hw/9pfs/cofile.c +++ b/hw/9pfs/cofile.c @@ -30,3 +30,17 @@ int v9fs_co_lstat(V9fsState *s, V9fsString *path, struct stat *stbuf) }); return err; } + +int v9fs_co_fstat(V9fsState *s, int fd, struct stat *stbuf) +{ + int err; + + v9fs_co_run_in_worker( + { + err = s->ops->fstat(&s->ctx, fd, stbuf); + if (err < 0) { + err = -errno; + } + }); + return err; +} diff --git a/hw/9pfs/virtio-9p-coth.h b/hw/9pfs/virtio-9p-coth.h index 11272d3..88070d3 100644 --- a/hw/9pfs/virtio-9p-coth.h +++ b/hw/9pfs/virtio-9p-coth.h @@ -76,4 +76,5 @@ extern int v9fs_co_mknod(V9fsState *, V9fsString *, uid_t, extern int v9fs_co_mkdir(V9fsState *, char *, mode_t, uid_t, gid_t); extern int v9fs_co_remove(V9fsState *, V9fsString *); extern int v9fs_co_rename(V9fsState *, V9fsString *, V9fsString *); +extern int v9fs_co_fstat(V9fsState *, int, struct stat *); #endif