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[Qemu-devel] [PATCH 15/25] hw/9pfs: Add yield support to setattr related
From: |
Venkateswararao Jujjuri (JV) |
Subject: |
[Qemu-devel] [PATCH 15/25] hw/9pfs: Add yield support to setattr related coroutines |
Date: |
Thu, 12 May 2011 13:57:37 -0700 |
From: Aneesh Kumar K.V <address@hidden>
This include chmod, utimensat, chown and truncate.
Signed-off-by: Aneesh Kumar K.V <address@hidden>
Signed-off-by: Venkateswararao Jujjuri "<address@hidden>
---
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
--
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), 2011/05/12
- [Qemu-devel] [PATCH 15/25] hw/9pfs: Add yield support to setattr related coroutines,
Venkateswararao Jujjuri (JV) <=
- [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