diff options
| author | Bart Van Assche <bvanassche@acm.org> | 2022-06-13 09:32:34 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-06-16 16:59:28 -0600 |
| commit | b96f3cab59654ee2c30e6adf0b1c13cf8c0850fa (patch) | |
| tree | dbd7258d97189a31131ca85dcdd230ae6f35046a /block | |
| parent | 6cfeadbff3f8905f2854735ebb88e581402c16c4 (diff) | |
| download | lwn-b96f3cab59654ee2c30e6adf0b1c13cf8c0850fa.tar.gz lwn-b96f3cab59654ee2c30e6adf0b1c13cf8c0850fa.zip | |
block/bfq: Enable I/O statistics
BFQ uses io_start_time_ns. That member variable is only set if I/O
statistics are enabled. Hence this patch that enables I/O statistics
at the time BFQ is associated with a request queue.
Compile-tested only.
Reported-by: Cixi Geng <cixi.geng1@unisoc.com>
Cc: Cixi Geng <cixi.geng1@unisoc.com>
Cc: Yu Kuai <yukuai3@huawei.com>
Cc: Paolo Valente <paolo.valente@unimore.it>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/bfq-iosched.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index caa55a5624bc..e6d7e6b01a05 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -7046,6 +7046,7 @@ static void bfq_exit_queue(struct elevator_queue *e) spin_unlock_irq(&bfqd->lock); #endif + blk_stat_disable_accounting(bfqd->queue); wbt_enable_default(bfqd->queue); kfree(bfqd); @@ -7192,6 +7193,8 @@ static int bfq_init_queue(struct request_queue *q, struct elevator_type *e) blk_queue_flag_set(QUEUE_FLAG_SQ_SCHED, q); wbt_disable_default(q); + blk_stat_enable_accounting(q); + return 0; out_free: |