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| author | Tejun Heo <tj@kernel.org> | 2018-07-18 04:47:41 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-07-18 08:44:23 -0600 |
| commit | 636620b66d5d4012c4a9c86206013964d3986c4f (patch) | |
| tree | 89ecba6057c7ca99ee3a500438a6281b7c261faf /block/blk-rq-qos.c | |
| parent | bdca3c87fb7ad1cc61d231d37eb0d8f90d001e0c (diff) | |
| download | linux-636620b66d5d4012c4a9c86206013964d3986c4f.tar.bz2 | |
blkcg: Track DISCARD statistics and output them in cgroup io.stat
Add tracking of REQ_OP_DISCARD ios to the per-cgroup io.stat. Two
fields, dbytes and dios, to respectively count the total bytes and
number of discards are added.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Andy Newell <newella@fb.com>
Cc: Michael Callahan <michaelcallahan@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-rq-qos.c')
0 files changed, 0 insertions, 0 deletions