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[Qemu-devel] [PATCH 22/25] [virtio-9p] coroutine and threading for mkdir
From: |
Venkateswararao Jujjuri (JV) |
Subject: |
[Qemu-devel] [PATCH 22/25] [virtio-9p] coroutine and threading for mkdir |
Date: |
Thu, 12 May 2011 13:57:44 -0700 |
Signed-off-by: Venkateswararao Jujjuri "<address@hidden>
---
hw/9pfs/codir.c | 34 ++++++++++++++++++++++++++++++++++
hw/9pfs/virtio-9p-coth.h | 1 +
hw/9pfs/virtio-9p.c | 28 ++++++----------------------
3 files changed, 41 insertions(+), 22 deletions(-)
diff --git a/hw/9pfs/codir.c b/hw/9pfs/codir.c
index adca50c..fcd204d 100644
--- a/hw/9pfs/codir.c
+++ b/hw/9pfs/codir.c
@@ -133,3 +133,37 @@ void v9fs_co_rewinddir(V9fsState *s, V9fsFidState *fidp)
qemu_coroutine_yield();
return;
}
+
+typedef struct V9fsThMkDirState {
+ V9fsState *s;
+ FsCred cred;
+ char *name;
+ int err;
+ V9fsRequest request;
+} V9fsThMkDirState;
+
+static void v9fs_th_do_mkdir(V9fsRequest *request)
+{
+ V9fsThMkDirState *vsp = container_of(request, V9fsThMkDirState, request);
+
+ vsp->err = vsp->s->ops->mkdir(&vsp->s->ctx, vsp->name, &vsp->cred);
+ if (vsp->err < 0) {
+ vsp->err = -errno;
+ }
+}
+
+int v9fs_co_mkdir(V9fsState *s, char *name, mode_t mode, uid_t uid, gid_t gid)
+{
+ V9fsThMkDirState vs;
+ vs.s = s;
+ vs.name = name;
+ cred_init(&vs.cred);
+ vs.cred.fc_mode = mode;
+ vs.cred.fc_uid = uid;
+ vs.cred.fc_gid = gid;
+ vs.request.func = v9fs_th_do_mkdir;
+ 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 bd410cb..3edab4e 100644
--- a/hw/9pfs/virtio-9p-coth.h
+++ b/hw/9pfs/virtio-9p-coth.h
@@ -66,4 +66,5 @@ 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);
+extern int v9fs_co_mkdir(V9fsState *, char *, mode_t, uid_t, gid_t);
#endif
diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c
index 4858f37..e5112fe 100644
--- a/hw/9pfs/virtio-9p.c
+++ b/hw/9pfs/virtio-9p.c
@@ -149,19 +149,6 @@ static int v9fs_do_mknod(V9fsState *s, char *name,
return s->ops->mknod(&s->ctx, name, &cred);
}
-static int v9fs_do_mkdir(V9fsState *s, char *name, mode_t mode,
- uid_t uid, gid_t gid)
-{
- FsCred cred;
-
- cred_init(&cred);
- cred.fc_uid = uid;
- cred.fc_gid = gid;
- cred.fc_mode = mode;
-
- return s->ops->mkdir(&s->ctx, name, &cred);
-}
-
static int v9fs_do_fstat(V9fsState *s, int fd, struct stat *stbuf)
{
return s->ops->fstat(&s->ctx, fd, stbuf);
@@ -2354,8 +2341,7 @@ out:
static void v9fs_create_post_mkdir(V9fsState *s, V9fsCreateState *vs, int err)
{
- if (err) {
- err = -errno;
+ if (err < 0) {
goto out;
}
@@ -2404,7 +2390,7 @@ static void v9fs_create_post_lstat(V9fsState *s,
V9fsCreateState *vs, int err)
}
if (vs->perm & P9_STAT_MODE_DIR) {
- err = v9fs_do_mkdir(s, vs->fullname.data, vs->perm & 0777,
+ err = v9fs_co_mkdir(s, vs->fullname.data, vs->perm & 0777,
vs->fidp->uid, -1);
v9fs_create_post_mkdir(s, vs, err);
} else if (vs->perm & P9_STAT_MODE_SYMLINK) {
@@ -3225,14 +3211,12 @@ static void v9fs_mkdir(void *opaque)
goto out;
}
v9fs_string_sprintf(&fullname, "%s/%s", fidp->path.data, name.data);
- err = v9fs_do_mkdir(copdu->s, fullname.data, mode, fidp->uid, gid);
- if (err == -1) {
- err = -errno;
+ err = v9fs_co_mkdir(copdu->s, fullname.data, mode, fidp->uid, gid);
+ if (err < 0) {
goto out;
}
- err = v9fs_do_lstat(copdu->s, &fullname, &stbuf);
- if (err == -1) {
- err = -errno;
+ err = v9fs_co_lstat(copdu->s, &fullname, &stbuf);
+ if (err < 0) {
goto out;
}
stat_to_qid(&stbuf, &qid);
--
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) <=
[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), 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