From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Bart Van Assche To: Jens Axboe CC: , Bart Van Assche , Omar Sandoval , Hannes Reinecke Subject: [PATCH 6/6] blk-mq-debugfs: Add 'kick' operation Date: Thu, 27 Apr 2017 08:54:37 -0700 Message-ID: <20170427155437.23228-7-bart.vanassche@sandisk.com> In-Reply-To: <20170427155437.23228-1-bart.vanassche@sandisk.com> References: <20170427155437.23228-1-bart.vanassche@sandisk.com> MIME-Version: 1.0 Content-Type: text/plain Return-Path: Bart.VanAssche@sandisk.com List-ID: Running a queue causes the block layer to examine the per-CPU and hw queues but not the requeue list. Hence add a 'kick' operation that also examines the requeue list. Signed-off-by: Bart Van Assche Cc: Omar Sandoval Cc: Hannes Reinecke --- block/blk-mq-debugfs.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c index a5e286e04569..aeca26c739d1 100644 --- a/block/blk-mq-debugfs.c +++ b/block/blk-mq-debugfs.c @@ -120,8 +120,10 @@ static ssize_t blk_queue_flags_store(struct file *file, const char __user *ubuf, blk_mq_run_hw_queues(q, true); } else if (strcmp(op, "start") == 0) { blk_mq_start_stopped_hw_queues(q, true); + } else if (strcmp(op, "kick") == 0) { + blk_mq_kick_requeue_list(q); } else { - pr_err("%s: unsupported operation %s. Use either 'run' or 'start'\n", + pr_err("%s: unsupported operation %s. Use 'run', 'start' or 'kick'\n", __func__, op); return -EINVAL; } -- 2.12.2