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-rw-r--r--block/blk-mq-cpumap.c9
-rw-r--r--block/blk-mq-pci.c2
-rw-r--r--block/blk-mq-virtio.c2
-rw-r--r--include/linux/blk-mq.h3
4 files changed, 9 insertions, 7 deletions
diff --git a/block/blk-mq-cpumap.c b/block/blk-mq-cpumap.c
index 6e6686c55984..03a534820271 100644
--- a/block/blk-mq-cpumap.c
+++ b/block/blk-mq-cpumap.c
@@ -14,9 +14,10 @@
#include "blk.h"
#include "blk-mq.h"
-static int cpu_to_queue_index(unsigned int nr_queues, const int cpu)
+static int cpu_to_queue_index(struct blk_mq_queue_map *qmap,
+ unsigned int nr_queues, const int cpu)
{
- return cpu % nr_queues;
+ return qmap->queue_offset + (cpu % nr_queues);
}
static int get_first_sibling(unsigned int cpu)
@@ -44,11 +45,11 @@ int blk_mq_map_queues(struct blk_mq_queue_map *qmap)
* performace optimizations.
*/
if (cpu < nr_queues) {
- map[cpu] = cpu_to_queue_index(nr_queues, cpu);
+ map[cpu] = cpu_to_queue_index(qmap, nr_queues, cpu);
} else {
first_sibling = get_first_sibling(cpu);
if (first_sibling == cpu)
- map[cpu] = cpu_to_queue_index(nr_queues, cpu);
+ map[cpu] = cpu_to_queue_index(qmap, nr_queues, cpu);
else
map[cpu] = map[first_sibling];
}
diff --git a/block/blk-mq-pci.c b/block/blk-mq-pci.c
index 40333d60a850..1dce18553984 100644
--- a/block/blk-mq-pci.c
+++ b/block/blk-mq-pci.c
@@ -43,7 +43,7 @@ int blk_mq_pci_map_queues(struct blk_mq_queue_map *qmap, struct pci_dev *pdev,
goto fallback;
for_each_cpu(cpu, mask)
- qmap->mq_map[cpu] = queue;
+ qmap->mq_map[cpu] = qmap->queue_offset + queue;
}
return 0;
diff --git a/block/blk-mq-virtio.c b/block/blk-mq-virtio.c
index 661fbfef480f..370827163835 100644
--- a/block/blk-mq-virtio.c
+++ b/block/blk-mq-virtio.c
@@ -44,7 +44,7 @@ int blk_mq_virtio_map_queues(struct blk_mq_queue_map *qmap,
goto fallback;
for_each_cpu(cpu, mask)
- qmap->mq_map[cpu] = queue;
+ qmap->mq_map[cpu] = qmap->queue_offset + queue;
}
return 0;
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 8994c95056a8..729ce0f00433 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -78,10 +78,11 @@ struct blk_mq_hw_ctx {
struct blk_mq_queue_map {
unsigned int *mq_map;
unsigned int nr_queues;
+ unsigned int queue_offset;
};
enum {
- HCTX_MAX_TYPES = 1,
+ HCTX_MAX_TYPES = 2,
};
struct blk_mq_tag_set {