From patchwork Wed May 25 23:52:54 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: jvrao X-Patchwork-Id: 97444 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 AE98EB6F9B for ; Thu, 26 May 2011 09:54:00 +1000 (EST) Received: from localhost ([::1]:43670 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QPNtm-0007wY-1D for incoming@patchwork.ozlabs.org; Wed, 25 May 2011 19:53:58 -0400 Received: from eggs.gnu.org ([140.186.70.92]:48847) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QPNtO-0007ur-64 for qemu-devel@nongnu.org; Wed, 25 May 2011 19:53:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QPNtN-0007ST-1A for qemu-devel@nongnu.org; Wed, 25 May 2011 19:53:34 -0400 Received: from e38.co.us.ibm.com ([32.97.110.159]:46971) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QPNtM-0007SJ-Qv for qemu-devel@nongnu.org; Wed, 25 May 2011 19:53:32 -0400 Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by e38.co.us.ibm.com (8.14.4/8.13.1) with ESMTP id p4PNjKL6019085 for ; Wed, 25 May 2011 17:45:20 -0600 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d03relay04.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p4PNspIx165270 for ; Wed, 25 May 2011 17:54:51 -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 p4PHr0iE018290 for ; Wed, 25 May 2011 11:53:00 -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 p4PHqwLd018178; Wed, 25 May 2011 11:53:00 -0600 From: "Venkateswararao Jujjuri (JV)" To: qemu-devel@nongnu.org Date: Wed, 25 May 2011 16:52:54 -0700 Message-Id: <1306367597-797-7-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: 32.97.110.159 Cc: "Venkateswararao Jujjuri \"" , stefanha@linux.vnet.ibm.com, "Aneesh Kumar K.V" Subject: [Qemu-devel] [PATCH 06/29] hw/9pfs: Add yield support for open and opendir 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/codir.c | 16 ++++++++++++++++ hw/9pfs/cofile.c | 16 ++++++++++++++++ hw/9pfs/virtio-9p-coth.h | 2 ++ 3 files changed, 34 insertions(+), 0 deletions(-) diff --git a/hw/9pfs/codir.c b/hw/9pfs/codir.c index 28f2ad7..bc6a105 100644 --- a/hw/9pfs/codir.c +++ b/hw/9pfs/codir.c @@ -83,3 +83,19 @@ int v9fs_co_mkdir(V9fsState *s, char *name, mode_t mode, uid_t uid, gid_t gid) }); return err; } + +int v9fs_co_opendir(V9fsState *s, V9fsFidState *fidp) +{ + int err; + + v9fs_co_run_in_worker( + { + fidp->fs.dir = s->ops->opendir(&s->ctx, fidp->path.data); + if (!fidp->fs.dir) { + err = -errno; + } else { + err = 0; + } + }); + return err; +} diff --git a/hw/9pfs/cofile.c b/hw/9pfs/cofile.c index e400b86..4a3ca21 100644 --- a/hw/9pfs/cofile.c +++ b/hw/9pfs/cofile.c @@ -44,3 +44,19 @@ int v9fs_co_fstat(V9fsState *s, int fd, struct stat *stbuf) }); return err; } + +int v9fs_co_open(V9fsState *s, V9fsFidState *fidp, int flags) +{ + int err; + + v9fs_co_run_in_worker( + { + fidp->fs.fd = s->ops->open(&s->ctx, fidp->path.data, flags); + if (fidp->fs.fd == -1) { + err = -errno; + } else { + err = 0; + } + }); + return err; +} diff --git a/hw/9pfs/virtio-9p-coth.h b/hw/9pfs/virtio-9p-coth.h index 88070d3..1df7063 100644 --- a/hw/9pfs/virtio-9p-coth.h +++ b/hw/9pfs/virtio-9p-coth.h @@ -77,4 +77,6 @@ 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 *); +extern int v9fs_co_opendir(V9fsState *, V9fsFidState *); +extern int v9fs_co_open(V9fsState *, V9fsFidState *, int); #endif