22 lines
		
	
	
		
			455 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			22 lines
		
	
	
		
			455 B
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| /*
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|  * null_blk trace related helpers.
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|  *
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|  * Copyright (C) 2020 Western Digital Corporation or its affiliates.
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|  */
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| #include "trace.h"
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| 
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| /*
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|  * Helper to use for all null_blk traces to extract disk name.
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|  */
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| const char *nullb_trace_disk_name(struct trace_seq *p, char *name)
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| {
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| 	const char *ret = trace_seq_buffer_ptr(p);
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| 
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| 	if (name && *name)
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| 		trace_seq_printf(p, "disk=%s, ", name);
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| 	trace_seq_putc(p, 0);
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| 
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| 	return ret;
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| }
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