blk_add_trace_bio_remap man page on Oracle

blk_add_trace_bio_remap man page on Oracle

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BLK_ADD_TRACE_BIO_RE(9)		 Block Devices	       BLK_ADD_TRACE_BIO_RE(9)

NAME
       blk_add_trace_bio_remap - Add a trace for a bio-remap operation

SYNOPSIS
       void blk_add_trace_bio_remap(void * ignore, struct request_queue * q,
				    struct bio * bio, dev_t dev,
				    sector_t from);

ARGUMENTS
       ignore
	   trace callback data parameter (not used)

       q
	   queue the io is for

       bio
	   the source bio

       dev
	   target device

       from
	   source sector

DESCRIPTION
       Device mapper or raid target sometimes need to split a bio because it
       spans a stripe (or similar). Add a trace for that action.

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

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