blk-mq: map queues to all present CPUs

We already do this for PCI mappings, and the higher level code now expects that CPU on/offlining doesn't have an affect on the queue mappings. Signed-off-by: Christoph Hellwig <[email protected]> Tested-by: Max Gurtovoy <[email protected]> Reviewed-by: Max Gurtovoy <[email protected]> Reviewed-by: Johannes Thumshirn <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
kawasaki · Jul 24, 2017 · 76451d7 · 76451d7
1 parent 765e40b
commit 76451d7
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/block/blk-mq-cpumap.c b/block/blk-mq-cpumap.c
@@ -17,9 +17,9 @@
 static int cpu_to_queue_index(unsigned int nr_queues, const int cpu)
 {
 	/*
-	 * Non online CPU will be mapped to queue index 0.
+	 * Non present CPU will be mapped to queue index 0.
 	 */
-	if (!cpu_online(cpu))
+	if (!cpu_present(cpu))
 		return 0;
 	return cpu % nr_queues;
 }