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[Qemu-devel] [PATCH 11/25] hw/9pfs: Add yield support to statfs coroutin
From: |
Venkateswararao Jujjuri (JV) |
Subject: |
[Qemu-devel] [PATCH 11/25] hw/9pfs: Add yield support to statfs coroutine |
Date: |
Thu, 12 May 2011 13:57:33 -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 | 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
- [Qemu-devel] [PATCH 10/25] hw/9pfs: Update v9fs_readdir to use coroutines, (continued)
- [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), 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) <=
- [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