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nvme-tcp: fix wrong stop condition in io_work

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Allow the do/while statement to continue if current time
is not after the proposed time 'deadline'. Intent is to
allow loop to proceed for a specific time period. Currently
the loop, as coded, will exit after first pass.

Signed-off-by: Mark Wunderlich <mark.wunderlich@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
This commit is contained in:
Wunderlich, Mark 2019-09-18 23:36:37 +00:00 committed by Sagi Grimberg
parent b224726de5
commit ddef29578a
1 changed files with 2 additions and 2 deletions
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4
drivers/nvme/host/tcp.c
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@ -1042,7 +1042,7 @@ static void nvme_tcp_io_work(struct work_struct *w)
{
struct nvme_tcp_queue *queue =
container_of(w, struct nvme_tcp_queue, io_work);
unsigned long start = jiffies + msecs_to_jiffies(1);
unsigned long deadline = jiffies + msecs_to_jiffies(1);
do {
bool pending = false;
@ -1067,7 +1067,7 @@ static void nvme_tcp_io_work(struct work_struct *w)
if (!pending)
return;
} while (time_after(jiffies, start)); /* quota is exhausted */
} while (!time_after(jiffies, deadline)); /* quota is exhausted */
queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work);
}