mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-08-26 02:39:48 +00:00
Code Issues Releases Wiki Activity

NVMe: Rename nr_queues to nr_io_queues

Browse source 
I got confused about whether this included the admin queue or not, and
had to resort to reading the spec.  It doesn't include the admin queue,
so make that clear in the name.

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
This commit is contained in:
Matthew Wilcox 2011-02-15 16:16:02 -05:00
parent ca1615424c
commit b348b7d543
1 changed files with 12 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
drivers/block/nvme.c
View file

@ -1202,29 +1202,30 @@ static int set_queue_count(struct nvme_dev *dev, int count)
static int __devinit nvme_setup_io_queues(struct nvme_dev *dev)
{
int result, cpu, i, nr_queues;
int result, cpu, i, nr_io_queues;
nr_queues = num_online_cpus();
result = set_queue_count(dev, nr_queues);
nr_io_queues = num_online_cpus();
result = set_queue_count(dev, nr_io_queues);
if (result < 0)
return result;
if (result < nr_queues)
nr_queues = result;
if (result < nr_io_queues)
nr_io_queues = result;
/* Deregister the admin queue's interrupt */
free_irq(dev->entry[0].vector, dev->queues[0]);
for (i = 0; i < nr_queues; i++)
for (i = 0; i < nr_io_queues; i++)
dev->entry[i].entry = i;
for (;;) {
result = pci_enable_msix(dev->pci_dev, dev->entry, nr_queues);
result = pci_enable_msix(dev->pci_dev, dev->entry,
nr_io_queues);
if (result == 0) {
break;
} else if (result > 0) {
nr_queues = result;
nr_io_queues = result;
continue;
} else {
nr_queues = 1;
nr_io_queues = 1;
break;
}
}
@ -1233,12 +1234,12 @@ static int __devinit nvme_setup_io_queues(struct nvme_dev *dev)
/* XXX: handle failure here */
cpu = cpumask_first(cpu_online_mask);
for (i = 0; i < nr_queues; i++) {
for (i = 0; i < nr_io_queues; i++) {
irq_set_affinity_hint(dev->entry[i].vector, get_cpu_mask(cpu));
cpu = cpumask_next(cpu, cpu_online_mask);
}
for (i = 0; i < nr_queues; i++) {
for (i = 0; i < nr_io_queues; i++) {
dev->queues[i + 1] = nvme_create_queue(dev, i + 1,
NVME_Q_DEPTH, i);
if (!dev->queues[i + 1])