BLK_ADD_TRACE_BIO man page on Oracle

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BLK_ADD_TRACE_BIO(9)		 Block Devices		  BLK_ADD_TRACE_BIO(9)

NAME
       blk_add_trace_bio - Add a trace for a bio oriented action

SYNOPSIS
       void blk_add_trace_bio(struct request_queue * q, struct bio * bio,
			      u32 what, int error);

ARGUMENTS
       q
	   queue the io is for

       bio
	   the source bio

       what
	   the action

       error
	   error, if any

DESCRIPTION
       Records an action against a bio. Will log the bio offset + size.

COPYRIGHT
Kernel Hackers Manual 3.8.	   June 2014		  BLK_ADD_TRACE_BIO(9)
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