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[Qemu-devel] [V2 22/25] [virtio-9p] coroutine and threading for mkdir
From: |
Venkateswararao Jujjuri (JV) |
Subject: |
[Qemu-devel] [V2 22/25] [virtio-9p] coroutine and threading for mkdir |
Date: |
Tue, 17 May 2011 12:43:48 -0700 |
Signed-off-by: Venkateswararao Jujjuri "<address@hidden>
---
hw/9pfs/codir.c | 19 +++++++++++++++++++
hw/9pfs/virtio-9p-coth.h | 1 +
hw/9pfs/virtio-9p.c | 28 ++++++----------------------
3 files changed, 26 insertions(+), 22 deletions(-)
diff --git a/hw/9pfs/codir.c b/hw/9pfs/codir.c
index 885f7d0..4ccf94f 100644
--- a/hw/9pfs/codir.c
+++ b/hw/9pfs/codir.c
@@ -66,3 +66,22 @@ void v9fs_co_rewinddir(V9fsState *s, V9fsFidState *fidp)
});
return;
}
+
+int v9fs_co_mkdir(V9fsState *s, char *name, mode_t mode, uid_t uid, gid_t gid)
+{
+ int err;
+ FsCred cred;
+
+ cred_init(&cred);
+ cred.fc_mode = mode;
+ cred.fc_uid = uid;
+ cred.fc_gid = gid;
+ v9fs_co_run_in_worker(
+ {
+ err = s->ops->mkdir(&s->ctx, name, &cred);
+ if (err < 0) {
+ err = -errno;
+ }
+ });
+ return err;
+}
diff --git a/hw/9pfs/virtio-9p-coth.h b/hw/9pfs/virtio-9p-coth.h
index d023683..96e88d8 100644
--- a/hw/9pfs/virtio-9p-coth.h
+++ b/hw/9pfs/virtio-9p-coth.h
@@ -73,4 +73,5 @@ 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 3f4d449..89fe652 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);
@@ -2327,8 +2314,7 @@ out:
static void v9fs_create_post_mkdir(V9fsState *s, V9fsCreateState *vs, int err)
{
- if (err) {
- err = -errno;
+ if (err < 0) {
goto out;
}
@@ -2377,7 +2363,7 @@ 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) {
@@ -3177,14 +3163,12 @@ static void v9fs_mkdir(void *opaque)
goto out;
}
v9fs_string_sprintf(&fullname, "%s/%s", fidp->path.data, name.data);
- err = v9fs_do_mkdir(pdu->s, fullname.data, mode, fidp->uid, gid);
- if (err == -1) {
- err = -errno;
+ err = v9fs_co_mkdir(pdu->s, fullname.data, mode, fidp->uid, gid);
+ if (err < 0) {
goto out;
}
- err = v9fs_do_lstat(pdu->s, &fullname, &stbuf);
- if (err == -1) {
- err = -errno;
+ err = v9fs_co_lstat(pdu->s, &fullname, &stbuf);
+ if (err < 0) {
goto out;
}
stat_to_qid(&stbuf, &qid);
--
1.7.1
- Re: [Qemu-devel] [V2 10/25] hw/9pfs: Update v9fs_readdir to use coroutines, (continued)
[Qemu-devel] [V2 02/25] [virtio-9p] Change all pdu handlers to coroutines., Venkateswararao Jujjuri (JV), 2011/05/17
[Qemu-devel] [V2 17/25] hw/9pfs: Add yield support to xattr related coroutine, Venkateswararao Jujjuri (JV), 2011/05/17
[Qemu-devel] [V2 22/25] [virtio-9p] coroutine and threading for mkdir,
Venkateswararao Jujjuri (JV) <=
[Qemu-devel] [V2 21/25] hw/9pfs: Update v9fs_mknod to use coroutines, Venkateswararao Jujjuri (JV), 2011/05/17
[Qemu-devel] [V2 04/25] [virtio-9p] clean up v9fs_readlink., Venkateswararao Jujjuri (JV), 2011/05/17
[Qemu-devel] [V2 23/25] [virtio-9p] Remove post functions for v9fs_remove, Venkateswararao Jujjuri (JV), 2011/05/17
[Qemu-devel] [V2 20/25] hw/9pfs: Add yield support to mknod coroutine, Venkateswararao Jujjuri (JV), 2011/05/17
[Qemu-devel] [V2 01/25] [virtio-9p] Add infrastructure to support glib threads and coroutines., Venkateswararao Jujjuri (JV), 2011/05/17
[Qemu-devel] [V2 25/25] [virtio-9p] coroutine and threading for remove/unlink, Venkateswararao Jujjuri (JV), 2011/05/17
[Qemu-devel] [V2 24/25] [virtio-9p] clean up v9fs_remove., Venkateswararao Jujjuri (JV), 2011/05/17
Re: [Qemu-devel] [V2 0/25] Async threading for VirtFS using glib threads & coroutines., Stefan Hajnoczi, 2011/05/18