The implementation is in libblockdriver, and works transparently for all block drivers. The new btrace(8) tool can be used to control block tracing; see ``man btrace'' for details.
		
			
				
	
	
		
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			Makefile
		
	
	
	
	
	
PROG=	btrace
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MAN=
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.include <bsd.prog.mk>
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