hw/9pfs: Use fs driver specific lstat
Use file system driver specific lstat instead of generic lstat.
Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
diff --git a/hw/9pfs/virtio-9p-device.c b/hw/9pfs/virtio-9p-device.c
index 6693ce8..0724605 100644
--- a/hw/9pfs/virtio-9p-device.c
+++ b/hw/9pfs/virtio-9p-device.c
@@ -50,6 +50,7 @@
int i, len;
struct stat stat;
FsTypeEntry *fse;
+ V9fsPath path;
s = (V9fsState *)virtio_common_init("virtio-9p",
VIRTIO_ID_9P,
@@ -107,14 +108,6 @@
s->ctx.xops = none_xattr_ops;
}
- if (lstat(fse->path, &stat)) {
- fprintf(stderr, "share path %s does not exist\n", fse->path);
- exit(1);
- } else if (!S_ISDIR(stat.st_mode)) {
- fprintf(stderr, "share path %s is not a directory\n", fse->path);
- exit(1);
- }
-
s->ctx.export_flags = fse->export_flags;
s->ctx.fs_root = g_strdup(fse->path);
s->ctx.exops.get_st_gen = NULL;
@@ -134,8 +127,7 @@
s->ops = fse->ops;
s->vdev.get_features = virtio_9p_get_features;
- s->config_size = sizeof(struct virtio_9p_config) +
- s->tag_len;
+ s->config_size = sizeof(struct virtio_9p_config) + s->tag_len;
s->vdev.get_config = virtio_9p_get_config;
s->fid_list = NULL;
qemu_co_rwlock_init(&s->rename_lock);
@@ -149,6 +141,27 @@
fprintf(stderr, "worker thread initialization failed\n");
exit(1);
}
+
+ /*
+ * Check details of export path, We need to use fs driver
+ * call back to do that. Since we are in the init path, we don't
+ * use co-routines here.
+ */
+ v9fs_path_init(&path);
+ if (s->ops->name_to_path(&s->ctx, NULL, "/", &path) < 0) {
+ fprintf(stderr,
+ "error in converting name to path %s", strerror(errno));
+ exit(1);
+ }
+ if (s->ops->lstat(&s->ctx, &path, &stat)) {
+ fprintf(stderr, "share path %s does not exist\n", fse->path);
+ exit(1);
+ } else if (!S_ISDIR(stat.st_mode)) {
+ fprintf(stderr, "share path %s is not a directory\n", fse->path);
+ exit(1);
+ }
+ v9fs_path_free(&path);
+
return &s->vdev;
}