xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

irq_poll: fold irq_poll_sched_prep into irq_poll_sched

Browse Source 
There is no good reason to keep them apart, and this makes using the API
a bit simpler.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
This commit is contained in:
Christoph Hellwig
2015-12-07 06:41:11 -08:00
parent 78d0264eb7
commit ea51190c03
4 changed files with 10 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
lib/irq_poll.c
View File

@@ -21,13 +21,17 @@ static DEFINE_PER_CPU(struct list_head, blk_cpu_iopoll);
*
* Description:
* Add this irq_poll structure to the pending poll list and trigger the
* raise of the blk iopoll softirq. The driver must already have gotten a
* successful return from irq_poll_sched_prep() before calling this.
* raise of the blk iopoll softirq.
**/
void irq_poll_sched(struct irq_poll *iop)
{
unsigned long flags;
if (test_bit(IRQ_POLL_F_DISABLE, &iop->state))
return;
if (!test_and_set_bit(IRQ_POLL_F_SCHED, &iop->state))
return;
local_irq_save(flags);
list_add_tail(&iop->list, this_cpu_ptr(&blk_cpu_iopoll));
__raise_softirq_irqoff(IRQ_POLL_SOFTIRQ);
@@ -58,7 +62,7 @@ EXPORT_SYMBOL(__irq_poll_complete);
* Description:
* If a driver consumes less than the assigned budget in its run of the
* iopoll handler, it'll end the polled mode by calling this function. The
* iopoll handler will not be invoked again before irq_poll_sched_prep()
* iopoll handler will not be invoked again before irq_poll_sched()
* is called.
**/
void irq_poll_complete(struct irq_poll *iop)