Initial commit

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

modules/cas_cache/utils/utils_blk.c

@@ -0,0 +1,22 @@
+/*
+* Copyright(c) 2012-2019 Intel Corporation
+* SPDX-License-Identifier: BSD-3-Clause-Clear
+*/
+
+#include "utils_blk.h"
+
+int cas_blk_get_part_count(struct block_device *bdev)
+{
+	struct disk_part_tbl *ptbl;
+	int i, count = 0;
+
+	rcu_read_lock();
+	ptbl = rcu_dereference(bdev->bd_disk->part_tbl);
+	for (i = 0; i < ptbl->len; ++i) {
+		if (rcu_access_pointer(ptbl->part[i]))
+			count++;
+	}
+	rcu_read_unlock();
+
+	return count;
+}