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authorChristoph Hellwig <hch@lst.de>2017-07-18 17:04:40 +0200
committerJens Axboe <axboe@kernel.dk>2017-07-24 10:01:31 -0600
commit76451d79bde6bed17e113f057e58e1fa5fb79e78 (patch)
treea3f4f97325b8facb92dea6ac8c05ba987c5704d9
parent765e40b675a9566459ddcb8358ad16f3b8344bbe (diff)
downloadlinux-76451d79bde6bed17e113f057e58e1fa5fb79e78.tar.bz2
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 <hch@lst.de> Tested-by: Max Gurtovoy <maxg@mellanox.com> Reviewed-by: Max Gurtovoy <maxg@mellanox.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--block/blk-mq-cpumap.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/blk-mq-cpumap.c b/block/blk-mq-cpumap.c
index 4891f042a22f..9f8cffc8a701 100644
--- 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;
}