From patchwork Thu May 12 20:57:37 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: jvrao X-Patchwork-Id: 95376 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 53AF5B6F00 for ; Fri, 13 May 2011 07:04:44 +1000 (EST) Received: from localhost ([::1]:39090 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QKd3p-00032h-K9 for incoming@patchwork.ozlabs.org; Thu, 12 May 2011 17:04:41 -0400 Received: from eggs.gnu.org ([140.186.70.92]:50633) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QKcxp-0001Df-Er 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-0001zc-UU for qemu-devel@nongnu.org; Thu, 12 May 2011 16:58:29 -0400 Received: from e35.co.us.ibm.com ([32.97.110.153]:48506) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QKcxn-0001zB-JN for qemu-devel@nongnu.org; Thu, 12 May 2011 16:58:27 -0400 Received: from d03relay05.boulder.ibm.com (d03relay05.boulder.ibm.com [9.17.195.107]) by e35.co.us.ibm.com (8.14.4/8.13.1) with ESMTP id p4CKfTw5022540 for ; Thu, 12 May 2011 14:41:29 -0600 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d03relay05.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p4CKwH7I077432 for ; Thu, 12 May 2011 14:58:19 -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 p4CEvmMo000674 for ; Thu, 12 May 2011 08:57:49 -0600 Received: from oc6675851006.ibm.com (dyn9047029068.beaverton.ibm.com [9.47.29.68]) by d03av02.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id p4CEvUhV031551; Thu, 12 May 2011 08:57:48 -0600 From: "Venkateswararao Jujjuri (JV)" To: qemu-devel@nongnu.org Date: Thu, 12 May 2011 13:57:37 -0700 Message-Id: <1305233867-4367-16-git-send-email-jvrao@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.1 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> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-Received-From: 32.97.110.153 Cc: aliguori@us.ibm.com, "Venkateswararao Jujjuri \"" , stefanha@linux.vnet.ibm.com, "Aneesh Kumar K.V" Subject: [Qemu-devel] [PATCH 15/25] hw/9pfs: Add yield support to setattr related coroutines 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 This include chmod, utimensat, chown and truncate. Signed-off-by: Aneesh Kumar K.V Signed-off-by: Venkateswararao Jujjuri " --- hw/9pfs/cofs.c | 135 ++++++++++++++++++++++++++++++++++++++++++++++ hw/9pfs/virtio-9p-coth.h | 4 ++ 2 files changed, 139 insertions(+), 0 deletions(-) diff --git a/hw/9pfs/cofs.c b/hw/9pfs/cofs.c index 27e243e..02eb0ba 100644 --- a/hw/9pfs/cofs.c +++ b/hw/9pfs/cofs.c @@ -89,3 +89,138 @@ int v9fs_co_statfs(V9fsState *s, V9fsString *path, struct statfs *stbuf) qemu_coroutine_yield(); return vs.err; } + +typedef struct V9fsThChmodState { + int err; + mode_t mode; + V9fsState *s; + V9fsString *path; + V9fsRequest request; +} V9fsThChmodState; + +static void v9fs_th_do_chmod(V9fsRequest *request) +{ + FsCred cred; + V9fsThChmodState *vsp = container_of(request, V9fsThChmodState, + request); + cred_init(&cred); + cred.fc_mode = vsp->mode; + vsp->err = vsp->s->ops->chmod(&vsp->s->ctx, vsp->path->data, &cred); + if (vsp->err < 0) { + vsp->err = -errno; + } +} + +int v9fs_co_chmod(V9fsState *s, V9fsString *path, mode_t mode) +{ + V9fsThChmodState vs; + vs.s = s; + vs.path = path; + vs.mode = mode; + vs.request.func = v9fs_th_do_chmod; + vs.request.coroutine = qemu_coroutine_self(); + v9fs_qemu_submit_request(&vs.request); + qemu_coroutine_yield(); + return vs.err; +} + +typedef struct V9fsThUtimeState { + int err; + V9fsState *s; + V9fsString *path; + struct timespec *times; + V9fsRequest request; +} V9fsThUtimeState; + +static void v9fs_th_do_utimensat(V9fsRequest *request) +{ + V9fsThUtimeState *vsp = container_of(request, V9fsThUtimeState, + request); + vsp->err = vsp->s->ops->utimensat(&vsp->s->ctx, + vsp->path->data, vsp->times); + if (vsp->err < 0) { + vsp->err = -errno; + } +} + +int v9fs_co_utimensat(V9fsState *s, V9fsString *path, + struct timespec times[2]) +{ + V9fsThUtimeState vs; + vs.s = s; + vs.path = path; + vs.times = times; + vs.request.func = v9fs_th_do_utimensat; + vs.request.coroutine = qemu_coroutine_self(); + v9fs_qemu_submit_request(&vs.request); + qemu_coroutine_yield(); + return vs.err; +} + +typedef struct V9fsThChownState { + int err; + uid_t uid; + gid_t gid; + V9fsState *s; + V9fsString *path; + V9fsRequest request; +} V9fsThChownState; + +static void v9fs_th_do_chown(V9fsRequest *request) +{ + FsCred cred; + V9fsThChownState *vsp = container_of(request, V9fsThChownState, + request); + cred_init(&cred); + cred.fc_uid = vsp->uid; + cred.fc_gid = vsp->gid; + vsp->err = vsp->s->ops->chown(&vsp->s->ctx, vsp->path->data, &cred); + if (vsp->err < 0) { + vsp->err = -errno; + } +} + +int v9fs_co_chown(V9fsState *s, V9fsString *path, uid_t uid, gid_t gid) +{ + V9fsThChownState vs; + vs.s = s; + vs.path = path; + vs.uid = uid; + vs.gid = gid; + vs.request.func = v9fs_th_do_chown; + vs.request.coroutine = qemu_coroutine_self(); + v9fs_qemu_submit_request(&vs.request); + qemu_coroutine_yield(); + return vs.err; +} + +typedef struct V9fsThTruncateState { + int err; + off_t size; + V9fsState *s; + V9fsString *path; + V9fsRequest request; +} V9fsThTruncateState; + +static void v9fs_th_do_truncate(V9fsRequest *request) +{ + V9fsThTruncateState *vsp = container_of(request, V9fsThTruncateState, + request); + vsp->err = vsp->s->ops->truncate(&vsp->s->ctx, vsp->path->data, vsp->size); + if (vsp->err < 0) { + vsp->err = -errno; + } +} + +int v9fs_co_truncate(V9fsState *s, V9fsString *path, off_t size) +{ + V9fsThTruncateState vs; + vs.s = s; + vs.path = path; + vs.size = size; + vs.request.func = v9fs_th_do_truncate; + 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 aedeba9..4e2bc23 100644 --- a/hw/9pfs/virtio-9p-coth.h +++ b/hw/9pfs/virtio-9p-coth.h @@ -57,4 +57,8 @@ 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 *); extern int v9fs_co_lstat(V9fsState *, V9fsString *, struct stat *); +extern int v9fs_co_chmod(V9fsState *, V9fsString *, mode_t); +extern int v9fs_co_utimensat(V9fsState *, V9fsString *, struct timespec [2]); +extern int v9fs_co_chown(V9fsState *, V9fsString *, uid_t, gid_t); +extern int v9fs_co_truncate(V9fsState *, V9fsString *, off_t); #endif