From 5a5436b98d5cd2714feaaa579cec49dd7f7057bb Mon Sep 17 00:00:00 2001 From: Paolo Valente Date: Mon, 25 Jan 2021 20:02:47 +0100 Subject: 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 Signed-off-by: Paolo Valente Signed-off-by: Jens Axboe --- block/bfq-iosched.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'block/bfq-iosched.h') 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; }; /** -- cgit v1.2.3