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hw/9pfs: Add yield support to setattr related coroutines

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This include chmod, utimensat, chown and truncate.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
This commit is contained in:
Aneesh Kumar K.V 2011-05-18 16:04:58 -07:00
parent 8db21ce73a
commit 4011ead2fd
2 changed files with 68 additions and 0 deletions
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64
hw/9pfs/cofs.c
View File

@ -56,3 +56,67 @@ int v9fs_co_statfs(V9fsState *s, V9fsString *path, struct statfs *stbuf)
}); });
return err; return err;
} }
int v9fs_co_chmod(V9fsState *s, V9fsString *path, mode_t mode)
{
int err;
FsCred cred;
cred_init(&cred);
cred.fc_mode = mode;
v9fs_co_run_in_worker(
{
err = s->ops->chmod(&s->ctx, path->data, &cred);
if (err < 0) {
err = -errno;
}
});
return err;
}
int v9fs_co_utimensat(V9fsState *s, V9fsString *path,
struct timespec times[2])
{
int err;
v9fs_co_run_in_worker(
{
err = s->ops->utimensat(&s->ctx, path->data, times);
if (err < 0) {
err = -errno;
}
});
return err;
}
int v9fs_co_chown(V9fsState *s, V9fsString *path, uid_t uid, gid_t gid)
{
int err;
FsCred cred;
cred_init(&cred);
cred.fc_uid = uid;
cred.fc_gid = gid;
v9fs_co_run_in_worker(
{
err = s->ops->chown(&s->ctx, path->data, &cred);
if (err < 0) {
err = -errno;
}
});
return err;
}
int v9fs_co_truncate(V9fsState *s, V9fsString *path, off_t size)
{
int err;
v9fs_co_run_in_worker(
{
err = s->ops->truncate(&s->ctx, path->data, size);
if (err < 0) {
err = -errno;
}
});
return err;
}

4
hw/9pfs/virtio-9p-coth.h
View File

@ -64,4 +64,8 @@ extern void v9fs_co_seekdir(V9fsState *, V9fsFidState *, off_t);
extern void v9fs_co_rewinddir(V9fsState *, V9fsFidState *); extern void v9fs_co_rewinddir(V9fsState *, V9fsFidState *);
extern int v9fs_co_statfs(V9fsState *, V9fsString *, struct statfs *); extern int v9fs_co_statfs(V9fsState *, V9fsString *, struct statfs *);
extern int v9fs_co_lstat(V9fsState *, V9fsString *, struct stat *); 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 #endif