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| author | Josef Bacik | 2018-07-03 17:14:52 +0200 |
|---|---|---|
| committer | Jens Axboe | 2018-07-09 17:07:54 +0200 |
| commit | 903d23f0a354f226fa78f1c1c34b60aaf992e812 (patch) | |
| tree | c74a26a70450653725e8d5bf25a77eb56586f245 /mm/page_io.c | |
| parent | block: introduce bio_issue_as_root_blkg (diff) | |
| download | kernel-qcow2-linux-903d23f0a354f226fa78f1c1c34b60aaf992e812.tar.gz kernel-qcow2-linux-903d23f0a354f226fa78f1c1c34b60aaf992e812.tar.xz kernel-qcow2-linux-903d23f0a354f226fa78f1c1c34b60aaf992e812.zip | |
blk-cgroup: allow controllers to output their own stats
blk-iolatency has a few stats that it would like to print out, and
instead of adding a bunch of crap to the generic code just provide a
helper so that controllers can add stuff to the stat line if they want
to.
Hide it behind a boot option since it changes the output of io.stat from
normal, and these stats are only interesting to developers.
Signed-off-by: Josef Bacik <jbacik@fb.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'mm/page_io.c')
0 files changed, 0 insertions, 0 deletions