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s390/dasd: remove setting of scheduler from driver

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Remove the hard coded scheduler for the DASD device driver to enable
change of the scheduler during runtime. Set recommended deadline
scheduler via additional udev rule.

Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Stefan Haberland 2015-03-04 14:29:47 +01:00 committed by Martin Schwidefsky
parent e1d12d70f7
commit a5fd8ddce2
1 changed files with 1 additions and 10 deletions
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11
drivers/s390/block/dasd.c
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@ -2965,8 +2965,6 @@ enum blk_eh_timer_return dasd_times_out(struct request *req)
*/
static int dasd_alloc_queue(struct dasd_block *block)
{
int rc;
block->request_queue = blk_init_queue(do_dasd_request,
&block->request_queue_lock);
if (block->request_queue == NULL)
@ -2974,14 +2972,7 @@ static int dasd_alloc_queue(struct dasd_block *block)
block->request_queue->queuedata = block;
elevator_exit(block->request_queue->elevator);
block->request_queue->elevator = NULL;
mutex_lock(&block->request_queue->sysfs_lock);
rc = elevator_init(block->request_queue, "deadline");
if (rc)
blk_cleanup_queue(block->request_queue);
mutex_unlock(&block->request_queue->sysfs_lock);
return rc;
return 0;
}
/*