From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:50685) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QKcxs-0001Jp-Ra for qemu-devel@nongnu.org; Thu, 12 May 2011 16:58:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QKcxr-00020t-Ii for qemu-devel@nongnu.org; Thu, 12 May 2011 16:58:32 -0400 Received: from e31.co.us.ibm.com ([32.97.110.149]:60241) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QKcxr-00020j-DS for qemu-devel@nongnu.org; Thu, 12 May 2011 16:58:31 -0400 Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by e31.co.us.ibm.com (8.14.4/8.13.1) with ESMTP id p4CKgCYR014828 for ; Thu, 12 May 2011 14:42:12 -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 p4CKxQnp127940 for ; Thu, 12 May 2011 14:59:27 -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 p4CEvicm032395 for ; Thu, 12 May 2011 08:57:45 -0600 From: "Venkateswararao Jujjuri (JV)" Date: Thu, 12 May 2011 13:57:33 -0700 Message-Id: <1305233867-4367-12-git-send-email-jvrao@linux.vnet.ibm.com> In-Reply-To: <1305233867-4367-1-git-send-email-jvrao@linux.vnet.ibm.com> References: <1305233867-4367-1-git-send-email-jvrao@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH 11/25] hw/9pfs: Add yield support to statfs coroutine List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: aliguori@us.ibm.com, "Venkateswararao Jujjuri \"" , stefanha@linux.vnet.ibm.com, "Aneesh Kumar K.V" From: Aneesh Kumar K.V Signed-off-by: Aneesh Kumar K.V Signed-off-by: Venkateswararao Jujjuri " --- hw/9pfs/cofs.c | 31 +++++++++++++++++++++++++++++++ hw/9pfs/virtio-9p-coth.h | 1 + 2 files changed, 32 insertions(+), 0 deletions(-) diff --git a/hw/9pfs/cofs.c b/hw/9pfs/cofs.c index b972561..27e243e 100644 --- a/hw/9pfs/cofs.c +++ b/hw/9pfs/cofs.c @@ -58,3 +58,34 @@ int v9fs_co_readlink(V9fsState *s, V9fsString *path, V9fsString *buf, buf->data = vs.buf->data; return vs.err; } + +typedef struct V9fsThStatfsState { + int err; + V9fsState *s; + V9fsString *path; + struct statfs *stbuf; + V9fsRequest request; +} V9fsThStatfsState; + +static void v9fs_th_do_statfs(V9fsRequest *request) +{ + V9fsThStatfsState *vsp = container_of(request, V9fsThStatfsState, + request); + vsp->err = vsp->s->ops->statfs(&vsp->s->ctx, vsp->path->data, vsp->stbuf); + if (vsp->err < 0) { + vsp->err = -errno; + } +} + +int v9fs_co_statfs(V9fsState *s, V9fsString *path, struct statfs *stbuf) +{ + V9fsThStatfsState vs; + vs.s = s; + vs.path = path; + vs.stbuf = stbuf; + vs.request.func = v9fs_th_do_statfs; + vs.request.coroutine = qemu_coroutine_self(); + v9fs_qemu_submit_request(&vs.request); + qemu_coroutine_yield(); + return vs.err; +} diff --git a/hw/9pfs/virtio-9p-coth.h b/hw/9pfs/virtio-9p-coth.h index 4d34098..57f30ff 100644 --- a/hw/9pfs/virtio-9p-coth.h +++ b/hw/9pfs/virtio-9p-coth.h @@ -55,4 +55,5 @@ extern int v9fs_co_readdir(V9fsState *, V9fsFidState *, extern off_t v9fs_co_telldir(V9fsState *, V9fsFidState *); extern void v9fs_co_seekdir(V9fsState *, V9fsFidState *, off_t); extern void v9fs_co_rewinddir(V9fsState *, V9fsFidState *); +extern int v9fs_co_statfs(V9fsState *, V9fsString *, struct statfs *); #endif -- 1.7.1