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authorKeith Busch <keith.busch@intel.com>2018-03-27 09:39:06 -0600
committerJens Axboe <axboe@kernel.dk>2018-03-27 21:25:36 -0600
commitf23f5bece686a76598335141a091934f7eb0998c (patch)
treed523d0195bb2955637e5d607332029e7476b3e02 /drivers/nvme
parent3148ffbdb9162baa28545809d675d3bf9339d6a1 (diff)
downloadlinux-f23f5bece686a76598335141a091934f7eb0998c.tar.bz2
blk-mq: Allow PCI vector offset for mapping queues
The PCI interrupt vectors intended to be associated with a queue may not start at 0; a driver may allocate pre_vectors for special use. This patch adds an offset parameter so blk-mq may find the intended affinity mask and updates all drivers using this API accordingly. Cc: Don Brace <don.brace@microsemi.com> Cc: <qla2xxx-upstream@qlogic.com> Cc: <linux-scsi@vger.kernel.org> Signed-off-by: Keith Busch <keith.busch@intel.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/pci.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index cef5ce851a92..e3b9efca0571 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -414,7 +414,7 @@ static int nvme_pci_map_queues(struct blk_mq_tag_set *set)
{
struct nvme_dev *dev = set->driver_data;
- return blk_mq_pci_map_queues(set, to_pci_dev(dev->dev));
+ return blk_mq_pci_map_queues(set, to_pci_dev(dev->dev), 0);
}
/**