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s390/dasd: remove setting of scheduler from driver 

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;
}
/*