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)NAMEtrace_block_bio_bounce - used bounce buffer when processing block operationSYNOPSISvoid trace_block_bio_bounce(struct request_queue * q, struct bio * bio);ARGUMENTSq queue holding the block operation bio block operationDESCRIPTIONA 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.AUTHORSJason Baron <jbaron@redhat.com> Author. William Cohen <wcohen@redhat.com> Author.COPYRIGHTKernel Hackers Manual 2.6. July 2010 TRACE_BLOCK_BIO_BOUN(9)
Related Man Pages |
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bio_alloc_bioset(9) - centos |
blk_make_request(9) - centos |
blk_make_request(9) - suse |
bio_f_base64(3) - osx |
probe::ioblock_trace.end(3stap) - centos |
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