summaryrefslogtreecommitdiff
path: root/drivers/s390/block
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/s390/block')
-rw-r--r--drivers/s390/block/Kconfig1
-rw-r--r--drivers/s390/block/dasd.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/block/Kconfig b/drivers/s390/block/Kconfig
index e879b212cf43..07883197f474 100644
--- a/drivers/s390/block/Kconfig
+++ b/drivers/s390/block/Kconfig
@@ -20,6 +20,7 @@ config DCSSBLK
config DASD
tristate "Support for DASD devices"
depends on CCW && BLOCK
+ select IOSCHED_DEADLINE
help
Enable this option if you want to access DASDs directly utilizing
S/390s channel subsystem commands. This is necessary for running
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index ccf46c96adb4..54f686d2c694 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1956,6 +1956,7 @@ 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;
rc = elevator_init(block->request_queue, "deadline");
if (rc) {
blk_cleanup_queue(block->request_queue);