Resguardo inicial

linux-7.2.3/fs/smb/server/mgmt/ksmbd_ida.c

@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ *   Copyright (C) 2018 Samsung Electronics Co., Ltd.
+ */
+
+#include "ksmbd_ida.h"
+#include "../glob.h"
+
+int ksmbd_acquire_smb2_tid(struct ida *ida)
+{
+	return ida_alloc_range(ida, 1, 0xFFFFFFFE, KSMBD_DEFAULT_GFP);
+}
+
+int ksmbd_acquire_smb2_uid(struct ida *ida)
+{
+	int id;
+
+	id = ida_alloc_min(ida, 1, KSMBD_DEFAULT_GFP);
+	if (id == 0xFFFE)
+		id = ida_alloc_min(ida, 1, KSMBD_DEFAULT_GFP);
+
+	return id;
+}
+
+int ksmbd_acquire_async_msg_id(struct ida *ida)
+{
+	return ida_alloc_min(ida, 1, KSMBD_DEFAULT_GFP);
+}
+
+int ksmbd_acquire_id(struct ida *ida)
+{
+	return ida_alloc(ida, KSMBD_DEFAULT_GFP);
+}
+
+void ksmbd_release_id(struct ida *ida, int id)
+{
+	ida_free(ida, id);
+}