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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 <bvanassche@acm.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Bart Van Assche 2011-11-06 18:37:23 +01:00 committed by Nicholas Bellinger
parent 0957627a99
commit 330694a50f
1 changed files with 0 additions and 2 deletions
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drivers/target/target_core_transport.c
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@ -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) ||