https://github.com/torvalds/linux
Revision 75afb352991ff1cd3cf5955bfe611de6d83a0c87 authored by Jun'ichi Nomura on 21 September 2013, 19:57:47 UTC, committed by Jens Axboe on 21 September 2013, 19:57:47 UTC
Adding the number of bios in a remapped request to 'block_rq_remap'
tracepoint.

Request remapper clones bios in a request to track the completion
status of each bio. So the number of bios can be useful information
for investigation.

Related discussions:
  http://www.redhat.com/archives/dm-devel/2013-August/msg00084.html
  http://www.redhat.com/archives/dm-devel/2013-September/msg00024.html

Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
1 parent 7652113
History
Tip revision: 75afb352991ff1cd3cf5955bfe611de6d83a0c87 authored by Jun'ichi Nomura on 21 September 2013, 19:57:47 UTC
block: Add nr_bios to block_rq_remap tracepoint
Tip revision: 75afb35
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.gitignore -rw-r--r-- 1.1 KB
.mailmap -rw-r--r-- 4.4 KB
COPYING -rw-r--r-- 18.3 KB
CREDITS -rw-r--r-- 93.1 KB
Kbuild -rw-r--r-- 2.5 KB
Kconfig -rw-r--r-- 252 bytes
MAINTAINERS -rw-r--r-- 254.0 KB
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REPORTING-BUGS -rw-r--r-- 7.3 KB

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