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-rw-r--r--hw/9pfs/cofile.c21
-rw-r--r--hw/9pfs/virtio-9p-coth.h1
2 files changed, 22 insertions, 0 deletions
diff --git a/hw/9pfs/cofile.c b/hw/9pfs/cofile.c
index 4a3ca21477..4b0d96c703 100644
--- a/hw/9pfs/cofile.c
+++ b/hw/9pfs/cofile.c
@@ -60,3 +60,24 @@ int v9fs_co_open(V9fsState *s, V9fsFidState *fidp, int flags)
});
return err;
}
+
+int v9fs_co_open2(V9fsState *s, V9fsFidState *fidp, char *fullname, gid_t gid,
+ int flags, int mode)
+{
+ int err;
+ FsCred cred;
+
+ cred_init(&cred);
+ cred.fc_mode = mode & 07777;
+ cred.fc_uid = fidp->uid;
+ cred.fc_gid = gid;
+ v9fs_co_run_in_worker(
+ {
+ fidp->fs.fd = s->ops->open2(&s->ctx, fullname, flags, &cred);
+ err = 0;
+ if (fidp->fs.fd == -1) {
+ err = -errno;
+ }
+ });
+ return err;
+}
diff --git a/hw/9pfs/virtio-9p-coth.h b/hw/9pfs/virtio-9p-coth.h
index 1df7063c07..f9610b9d8a 100644
--- a/hw/9pfs/virtio-9p-coth.h
+++ b/hw/9pfs/virtio-9p-coth.h
@@ -79,4 +79,5 @@ extern int v9fs_co_rename(V9fsState *, V9fsString *, V9fsString *);
extern int v9fs_co_fstat(V9fsState *, int, struct stat *);
extern int v9fs_co_opendir(V9fsState *, V9fsFidState *);
extern int v9fs_co_open(V9fsState *, V9fsFidState *, int);
+extern int v9fs_co_open2(V9fsState *, V9fsFidState *, char *, gid_t, int, int);
#endif