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authorStefan Haberland <stefan.haberland@de.ibm.com>2015-03-04 14:29:47 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2015-03-25 11:49:40 +0100
commita5fd8ddce2af98c7f8199d37a0b866e98f4c0de0 (patch)
tree780b8dbdad94233ec4f0a8fe74cbbc1e62fe6420
parents390/traps: panic() instead of die() on translation exception (diff)
downloadlinux-a5fd8ddce2af98c7f8199d37a0b866e98f4c0de0.tar.xz
linux-a5fd8ddce2af98c7f8199d37a0b866e98f4c0de0.zip
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>
-rw-r--r--drivers/s390/block/dasd.c11
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 697a0b2158e6..26a51dc4278d 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -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;
}
/*