| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | /* |
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| 3 | * null_blk trace related helpers. |
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| 4 | * |
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| 5 | * Copyright (C) 2020 Western Digital Corporation or its affiliates. |
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| 6 | */ |
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| 7 | #include "trace.h" |
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| 8 | |
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| 9 | /* |
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| 10 | * Helper to use for all null_blk traces to extract disk name. |
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| 11 | */ |
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| 12 | const char *nullb_trace_disk_name(struct trace_seq *p, char *name) |
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| 13 | { |
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| 14 | const char *ret = trace_seq_buffer_ptr(s: p); |
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| 15 | |
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| 16 | if (name && *name) |
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| 17 | trace_seq_printf(s: p, fmt: "disk=%s, " , name); |
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| 18 | trace_seq_putc(s: p, c: 0); |
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| 19 | |
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| 20 | return ret; |
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| 21 | } |
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| 22 | |
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