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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * null_blk trace related helpers.
4 *
5 * Copyright (C) 2020 Western Digital Corporation or its affiliates.
6 */
7#include "trace.h"
8
9/*
10 * Helper to use for all null_blk traces to extract disk name.
11 */
12const char *nullb_trace_disk_name(struct trace_seq *p, char *name)
13{
14 const char *ret = trace_seq_buffer_ptr(p);
15
16 if (name && *name)
17 trace_seq_printf(p, "disk=%s, ", name);
18 trace_seq_putc(p, 0);
19
20 return ret;
21}