From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:50624) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QKcxp-0001Cr-29 for qemu-devel@nongnu.org; Thu, 12 May 2011 16:58:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QKcxn-0001zW-Uv for qemu-devel@nongnu.org; Thu, 12 May 2011 16:58:29 -0400 Received: from e38.co.us.ibm.com ([32.97.110.159]:34687) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QKcxn-0001zG-Ku for qemu-devel@nongnu.org; Thu, 12 May 2011 16:58:27 -0400 Received: from d03relay01.boulder.ibm.com (d03relay01.boulder.ibm.com [9.17.195.226]) by e38.co.us.ibm.com (8.14.4/8.13.1) with ESMTP id p4CKoNkF013990 for ; Thu, 12 May 2011 14:50:23 -0600 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d03relay01.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p4CKwLLk094282 for ; Thu, 12 May 2011 14:58:21 -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 p4CEvrh4000900 for ; Thu, 12 May 2011 08:57:54 -0600 From: "Venkateswararao Jujjuri (JV)" Date: Thu, 12 May 2011 13:57:42 -0700 Message-Id: <1305233867-4367-21-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 20/25] hw/9pfs: Add yield support to mknod 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 | 45 +++++++++++++++++++++++++++++++++++++++++++++ hw/9pfs/virtio-9p-coth.h | 2 ++ 2 files changed, 47 insertions(+), 0 deletions(-) diff --git a/hw/9pfs/cofs.c b/hw/9pfs/cofs.c index 02eb0ba..06127f7 100644 --- a/hw/9pfs/cofs.c +++ b/hw/9pfs/cofs.c @@ -224,3 +224,48 @@ int v9fs_co_truncate(V9fsState *s, V9fsString *path, off_t size) qemu_coroutine_yield(); return vs.err; } + +typedef struct V9fsThMknodState { + int err; + uid_t uid; + gid_t gid; + mode_t mode; + dev_t dev; + V9fsState *s; + V9fsString *path; + struct stat *stbuf; + V9fsRequest request; +} V9fsThMknodState; + +static void v9fs_th_do_mknod(V9fsRequest *request) +{ + FsCred cred; + V9fsThMknodState *vsp = container_of(request, V9fsThMknodState, + request); + cred_init(&cred); + cred.fc_uid = vsp->uid; + cred.fc_gid = vsp->gid; + cred.fc_mode = vsp->mode; + cred.fc_rdev = vsp->dev; + vsp->err = vsp->s->ops->mknod(&vsp->s->ctx, vsp->path->data, &cred); + if (vsp->err < 0) { + vsp->err = -errno; + } +} + +int v9fs_co_mknod(V9fsState *s, V9fsString *path, uid_t uid, + gid_t gid, dev_t dev, mode_t mode) +{ + V9fsThMknodState vs; + vs.s = s; + vs.path = path; + vs.uid = uid; + vs.gid = gid; + vs.dev = dev; + vs.mode = mode; + vs.request.func = v9fs_th_do_mknod; + 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 c8d37dd..bd410cb 100644 --- a/hw/9pfs/virtio-9p-coth.h +++ b/hw/9pfs/virtio-9p-coth.h @@ -64,4 +64,6 @@ extern int v9fs_co_truncate(V9fsState *, V9fsString *, off_t); extern int v9fs_co_llistxattr(V9fsState *, V9fsString *, void *, size_t); extern int v9fs_co_lgetxattr(V9fsState *, V9fsString *, V9fsString *, void *, size_t); +extern int v9fs_co_mknod(V9fsState *, V9fsString *, uid_t, + gid_t, dev_t, mode_t); #endif -- 1.7.1