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| author |   Paolo Valente <paolo.valente@linaro.org> | 2021-01-25 20:02:47 +0100 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2021-01-25 14:18:35 -0700 |
| commit | 5a5436b98d5cd2714feaaa579cec49dd7f7057bb (patch) | |
| tree | fe877239dfc354b243efd2a27ad48afcd5e065a1 /block/bfq-iosched.h | |
| parent | block, bfq: save also weight-raised service on queue merging (diff) | |
| download | linux-dev-5a5436b98d5cd2714feaaa579cec49dd7f7057bb.tar.xz linux-dev-5a5436b98d5cd2714feaaa579cec49dd7f7057bb.zip | |
block, bfq: save also injection state on queue merging
To prevent injection information from being lost on bfq_queue merging,
also the amount of service that a bfq_queue receives must be saved and
restored when the bfq_queue is merged and split, respectively.
Tested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/bfq-iosched.h')
| -rw-r--r-- | block/bfq-iosched.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h index d15299d59f89..3f350fa3c5fd 100644 --- a/block/bfq-iosched.h +++ b/block/bfq-iosched.h @@ -444,6 +444,11 @@ struct bfq_io_cq { unsigned long saved_wr_start_at_switch_to_srt; unsigned int saved_wr_cur_max_time; struct bfq_ttime saved_ttime; + + /* Save also injection state */ + u64 saved_last_serv_time_ns; + unsigned int saved_inject_limit; + unsigned long saved_decrease_time_jif; }; /** |