VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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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 parent: e673914d52f913584cc4c454dfcff2e8eb04533f
Commit Summary:
block, bfq: save also injection state on queue merging
Diffstat:
2 files changed, 12 insertions, 0 deletions
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 5d48cba07cb5..79d232d41027 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -1024,6 +1024,10 @@ bfq_bfqq_resume_state(struct bfq_queue *bfqq, struct bfq_data *bfqd,
 	else
 		bfq_clear_bfqq_IO_bound(bfqq);
 
+	bfqq->last_serv_time_ns = bic->saved_last_serv_time_ns;
+	bfqq->inject_limit = bic->saved_inject_limit;
+	bfqq->decrease_time_jif = bic->saved_decrease_time_jif;
+
 	bfqq->entity.new_weight = bic->saved_weight;
 	bfqq->ttime = bic->saved_ttime;
 	bfqq->io_start_time = bic->saved_io_start_time;
@@ -2748,6 +2752,10 @@ static void bfq_bfqq_save_state(struct bfq_queue *bfqq)
 	if (!bic)
 		return;
 
+	bic->saved_last_serv_time_ns = bfqq->last_serv_time_ns;
+	bic->saved_inject_limit = bfqq->inject_limit;
+	bic->saved_decrease_time_jif = bfqq->decrease_time_jif;
+
 	bic->saved_weight = bfqq->entity.orig_weight;
 	bic->saved_ttime = bfqq->ttime;
 	bic->saved_has_short_ttime = bfq_bfqq_has_short_ttime(bfqq);
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;
 };
 
 /**