trace_block_split man page on OpenSuSE

trace_block_split man page on OpenSuSE

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TRACE_BLOCK_SPLIT(9)		   Block IO		  TRACE_BLOCK_SPLIT(9)

NAME
       trace_block_split - split a single bio struct into two bio structs

SYNOPSIS
       void trace_block_split(struct request_queue * q, struct bio * bio,
			      unsigned int new_sector);

ARGUMENTS
       q
	   queue containing the bio

       bio
	   block operation being split

       new_sector
	   The starting sector for the new bio

DESCRIPTION
       The bio request bio in request queue q needs to be split into two bio
       requests. The newly created bio request starts at new_sector. This
       split may be required due to hardware limitation such as operation
       crossing device boundaries in a RAID system.

AUTHORS
       Jason Baron <jbaron@redhat.com>
	   Author.

       William Cohen <wcohen@redhat.com>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.11	 November 2013		  TRACE_BLOCK_SPLIT(9)

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