Initial commit

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>

modules/cas_cache/volume/vol_block_dev_bottom.h

@@ -0,0 +1,26 @@
+/*
+* Copyright(c) 2012-2019 Intel Corporation
+* SPDX-License-Identifier: BSD-3-Clause-Clear
+*/
+
+#ifndef __VOL_BLOCK_DEV_BOTTOM_H__
+#define __VOL_BLOCK_DEV_BOTTOM_H__
+
+#include "../cas_cache.h"
+
+int block_dev_open_object(ocf_volume_t vol);
+
+void block_dev_close_object(ocf_volume_t vol);
+
+const char *block_dev_get_elevator_name(struct request_queue *q);
+
+int block_dev_is_metadata_mode_optimal(struct atomic_dev_params *atomic_params,
+		uint8_t type);
+
+int block_dev_try_get_io_class(struct bio *bio, int *io_class);
+
+int block_dev_init(void);
+
+void block_dev_deinit(void);
+
+#endif /* __VOL_BLOCK_DEV_BOTTOM_H__ */