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-rw-r--r--fs/nsfs.c29
1 files changed, 26 insertions, 3 deletions
diff --git a/fs/nsfs.c b/fs/nsfs.c
index 7c6f76d29f56..36b0772701a0 100644
--- a/fs/nsfs.c
+++ b/fs/nsfs.c
@@ -103,14 +103,14 @@ slow:
goto got_it;
}
-void *ns_get_path(struct path *path, struct task_struct *task,
- const struct proc_ns_operations *ns_ops)
+void *ns_get_path_cb(struct path *path, ns_get_path_helper_t *ns_get_cb,
+ void *private_data)
{
struct ns_common *ns;
void *ret;
again:
- ns = ns_ops->get(task);
+ ns = ns_get_cb(private_data);
if (!ns)
return ERR_PTR(-ENOENT);
@@ -120,6 +120,29 @@ again:
return ret;
}
+struct ns_get_path_task_args {
+ const struct proc_ns_operations *ns_ops;
+ struct task_struct *task;
+};
+
+static struct ns_common *ns_get_path_task(void *private_data)
+{
+ struct ns_get_path_task_args *args = private_data;
+
+ return args->ns_ops->get(args->task);
+}
+
+void *ns_get_path(struct path *path, struct task_struct *task,
+ const struct proc_ns_operations *ns_ops)
+{
+ struct ns_get_path_task_args args = {
+ .ns_ops = ns_ops,
+ .task = task,
+ };
+
+ return ns_get_path_cb(path, ns_get_path_task, &args);
+}
+
int open_related_ns(struct ns_common *ns,
struct ns_common *(*get_ns)(struct ns_common *ns))
{