suse man page for trace_block_bio_bounce

Query: trace_block_bio_bounce

OS: suse

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

TRACE_BLOCK_BIO_BOUN(9) 					     Block IO						   TRACE_BLOCK_BIO_BOUN(9)

NAME
trace_block_bio_bounce - used bounce buffer when processing block operation
SYNOPSIS
void trace_block_bio_bounce(struct request_queue * q, struct bio * bio);
ARGUMENTS
q queue holding the block operation bio block operation
DESCRIPTION
A bounce buffer was used to handle the block operation bio in q. This occurs when hardware limitations prevent a direct transfer of data between the bio data memory area and the IO device. Use of a bounce buffer requires extra copying of data and decreases performance.
AUTHORS
Jason Baron <jbaron@redhat.com> Author. William Cohen <wcohen@redhat.com> Author.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 TRACE_BLOCK_BIO_BOUN(9)
Related Man Pages
bio_f_base64(3ssl) - linux
bio_alloc_bioset(9) - centos
blk_make_request(9) - centos
bio_f_base64(3ssl) - debian
bio_f_base64(3) - osx
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