From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:60247) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QqTKQ-0008Cn-Pg for qemu-devel@nongnu.org; Mon, 08 Aug 2011 13:09:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QqTKK-0002VM-It for qemu-devel@nongnu.org; Mon, 08 Aug 2011 13:09:26 -0400 Received: from e23smtp06.au.ibm.com ([202.81.31.148]:58852) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QqTKK-0002U9-2j for qemu-devel@nongnu.org; Mon, 08 Aug 2011 13:09:20 -0400 Received: from d23relay03.au.ibm.com (d23relay03.au.ibm.com [202.81.31.245]) by e23smtp06.au.ibm.com (8.14.4/8.13.1) with ESMTP id p78H8Ck9021740 for ; Tue, 9 Aug 2011 03:08:12 +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 p78H7lxI1400984 for ; Tue, 9 Aug 2011 03:07:47 +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 p78H7lQY027288 for ; Tue, 9 Aug 2011 03:07:47 +1000 From: "Aneesh Kumar K.V" Date: Mon, 8 Aug 2011 22:36:53 +0530 Message-Id: <1312823215-28675-27-git-send-email-aneesh.kumar@linux.vnet.ibm.com> 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> Subject: [Qemu-devel] [PATCH -V4 26/28] hw/9pfs: Add yield support for preadv coroutine List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: aliguori@us.ibm.com, "Aneesh Kumar K.V" Signed-off-by: Aneesh Kumar K.V --- hw/9pfs/cofile.c | 17 +++++++++++++++++ hw/9pfs/virtio-9p-coth.h | 2 ++ 2 files changed, 19 insertions(+), 0 deletions(-) diff --git a/hw/9pfs/cofile.c b/hw/9pfs/cofile.c index e0d032d..e388146 100644 --- a/hw/9pfs/cofile.c +++ b/hw/9pfs/cofile.c @@ -144,3 +144,20 @@ int v9fs_co_pwritev(V9fsState *s, V9fsFidState *fidp, }); return err; } + +int v9fs_co_preadv(V9fsState *s, V9fsFidState *fidp, + struct iovec *iov, int iovcnt, int64_t offset) +{ + int fd; + int err; + + fd = fidp->fs.fd; + v9fs_co_run_in_worker( + { + err = s->ops->preadv(&s->ctx, fd, iov, iovcnt, offset); + if (err < 0) { + err = -errno; + } + }); + return err; +} diff --git a/hw/9pfs/virtio-9p-coth.h b/hw/9pfs/virtio-9p-coth.h index fa408f8..5fa2972 100644 --- a/hw/9pfs/virtio-9p-coth.h +++ b/hw/9pfs/virtio-9p-coth.h @@ -91,4 +91,6 @@ extern int v9fs_co_symlink(V9fsState *, V9fsFidState *, const char *, extern int v9fs_co_link(V9fsState *, V9fsString *, V9fsString *); extern int v9fs_co_pwritev(V9fsState *, V9fsFidState *, struct iovec *, int, int64_t); +extern int v9fs_co_preadv(V9fsState *, V9fsFidState *, + struct iovec *, int, int64_t); #endif -- 1.7.4.1