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 2.6. July 2010 TRACE_BLOCK_SPLIT(9)
