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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-16 10:04:54 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-16 10:04:54 +0300
commit83cf9cd6d50ed4f7e6ae265e80e38b235c792f5f (patch)
tree6016c386c321cd6a3e8575e01ed9f10834fc5081 /drivers/s390/block/dasd.c
parent34bcfdac8c92cc7971254ba5856afd12047c50b2 (diff)
parent9d3cce1e8b8561fed5f383d22a4d6949db4eadbe (diff)
downloadlinux-83cf9cd6d50ed4f7e6ae265e80e38b235c792f5f.tar.xz
Merge 4.18-rc5 into char-misc-next
We want the char-misc fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/s390/block/dasd.c')
-rw-r--r--drivers/s390/block/dasd.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index d3a38c421503..a9f60d0ee02e 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -41,6 +41,15 @@
#define DASD_DIAG_MOD "dasd_diag_mod"
+static unsigned int queue_depth = 32;
+static unsigned int nr_hw_queues = 4;
+
+module_param(queue_depth, uint, 0444);
+MODULE_PARM_DESC(queue_depth, "Default queue depth for new DASD devices");
+
+module_param(nr_hw_queues, uint, 0444);
+MODULE_PARM_DESC(nr_hw_queues, "Default number of hardware queues for new DASD devices");
+
/*
* SECTION: exported variables of dasd.c
*/
@@ -3115,8 +3124,8 @@ static int dasd_alloc_queue(struct dasd_block *block)
block->tag_set.ops = &dasd_mq_ops;
block->tag_set.cmd_size = sizeof(struct dasd_ccw_req);
- 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.nr_hw_queues = nr_hw_queues;
+ block->tag_set.queue_depth = queue_depth;
block->tag_set.flags = BLK_MQ_F_SHOULD_MERGE;
rc = blk_mq_alloc_tag_set(&block->tag_set);