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[Qemu-devel] [PATCH 20/25] hw/9pfs: Add yield support to mknod coroutine
From: |
Venkateswararao Jujjuri (JV) |
Subject: |
[Qemu-devel] [PATCH 20/25] hw/9pfs: Add yield support to mknod coroutine |
Date: |
Thu, 12 May 2011 13:57:42 -0700 |
From: Aneesh Kumar K.V <address@hidden>
Signed-off-by: Aneesh Kumar K.V <address@hidden>
Signed-off-by: Venkateswararao Jujjuri "<address@hidden>
---
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
- Re: [Qemu-devel] [PATCH 01/25] [virtio-9p] Add infrastructure to support glib threads and coroutines., (continued)
[Qemu-devel] [PATCH 13/25] hw/9pfs: Add yield support to lstat coroutine, Venkateswararao Jujjuri (JV), 2011/05/12
[Qemu-devel] [PATCH 16/25] hw/9pfs: Update v9fs_setattr to use coroutines, Venkateswararao Jujjuri (JV), 2011/05/12
[Qemu-devel] [PATCH 10/25] hw/9pfs: Update v9fs_readdir to use coroutines, Venkateswararao Jujjuri (JV), 2011/05/12
[Qemu-devel] [PATCH 18/25] hw/9pfs: Update v9fs_xattrwalk to coroutines, Venkateswararao Jujjuri (JV), 2011/05/12
[Qemu-devel] [PATCH 09/25] hw/9pfs: Add yield support for readdir related coroutines, Venkateswararao Jujjuri (JV), 2011/05/12
[Qemu-devel] [PATCH 19/25] hw/9pfs: Update v9fs_xattrcreate to use coroutines, Venkateswararao Jujjuri (JV), 2011/05/12
[Qemu-devel] [PATCH 17/25] hw/9pfs: Add yield support to xattr related coroutine, Venkateswararao Jujjuri (JV), 2011/05/12
[Qemu-devel] [PATCH 22/25] [virtio-9p] coroutine and threading for mkdir, Venkateswararao Jujjuri (JV), 2011/05/12
[Qemu-devel] [PATCH 20/25] hw/9pfs: Add yield support to mknod coroutine,
Venkateswararao Jujjuri (JV) <=
[Qemu-devel] [PATCH 15/25] hw/9pfs: Add yield support to setattr related coroutines, Venkateswararao Jujjuri (JV), 2011/05/12
[Qemu-devel] [PATCH 25/25] [virtio-9p] coroutine and threading for remove/unlink, Venkateswararao Jujjuri (JV), 2011/05/12
[Qemu-devel] [PATCH 23/25] [virtio-9p] Remove post functions for v9fs_remove, Venkateswararao Jujjuri (JV), 2011/05/12
[Qemu-devel] [PATCH 11/25] hw/9pfs: Add yield support to statfs coroutine, Venkateswararao Jujjuri (JV), 2011/05/12
[Qemu-devel] [PATCH 21/25] hw/9pfs: Update v9fs_mknod to use coroutines, Venkateswararao Jujjuri (JV), 2011/05/12
[Qemu-devel] [PATCH 24/25] [virtio-9p] clean up v9fs_remove., Venkateswararao Jujjuri (JV), 2011/05/12
[Qemu-devel] [PATCH 08/25] [virtio-9p] clean up v9fs_mkdir., Venkateswararao Jujjuri (JV), 2011/05/12
Re: [Qemu-devel] [0/25] Async threading for VirtFS using glib threads & coroutines., Stefan Hajnoczi, 2011/05/13