From: Bart Van Assche Date: Sun, 6 Nov 2011 17:37:23 +0000 (+0100) Subject: target: Improve system responsivity during I/O X-Git-Tag: next-20111209~110^2~22 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=330694a50f5b80e983136237c10516810fb427a9;p=karo-tx-linux.git target: Improve system responsivity during I/O While testing ib_srpt I noticed that the target system became rather unresponsive during intensive I/O. The patch below made my target system responsive again during I/O without decreasing performance. Signed-off-by: Bart Van Assche Signed-off-by: Nicholas Bellinger --- diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index a997fde9ffcb..06cce8178fcf 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -4599,8 +4599,6 @@ static int transport_processing_thread(void *param) struct se_cmd *cmd; struct se_device *dev = (struct se_device *) param; - set_user_nice(current, -20); - while (!kthread_should_stop()) { ret = wait_event_interruptible(dev->dev_queue_obj.thread_wq, atomic_read(&dev->dev_queue_obj.queue_cnt) ||