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s390/dasd: correct numa_node in dasd_alloc_queue 

[ Upstream commit b17e3abb0a ]

The numa_node field of the tag_set struct has to be explicitly
initialized, otherwise it stays as 0, which is a valid numa node id and
cause memory allocation failure if node 0 is offline.

Acked-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
Vasily Gorbik 2018-06-24 09:21:59 +02:00 committed by Greg Kroah-Hartman
parent a4dbaf7c2d
commit 98a34e26d9
1 changed files with 1 additions and 0 deletions
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drivers/s390/block/dasd.c
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@ -3190,6 +3190,7 @@ static int dasd_alloc_queue(struct dasd_block *block)
block->tag_set.nr_hw_queues = DASD_NR_HW_QUEUES;
block->tag_set.queue_depth = DASD_MAX_LCU_DEV * DASD_REQ_PER_DEV;
block->tag_set.flags = BLK_MQ_F_SHOULD_MERGE;
block->tag_set.numa_node = NUMA_NO_NODE;
rc = blk_mq_alloc_tag_set(&block->tag_set);
if (rc)