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authorJens Axboe <axboe@kernel.dk>2018-10-12 10:04:48 -0600
committerJens Axboe <axboe@kernel.dk>2018-11-07 13:42:32 -0700
commit3c7741567b8188f55e3704e56bed96460bf8d396 (patch)
treedadf315062613bf21131e359c1201cdf39f14a78
parent771a93c489bf486b957c7399f89ee06d43ba2d93 (diff)
blk-wbt: kill check for legacy queue type
Everything is blk-mq at this point, so it doesn't make any sense to have this option available as it does nothing. Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--block/Kconfig6
-rw-r--r--block/blk-wbt.c3
2 files changed, 1 insertions, 8 deletions
diff --git a/block/Kconfig b/block/Kconfig
index f7045aa47edb..8044452a4fd3 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -155,12 +155,6 @@ config BLK_CGROUP_IOLATENCY
Note, this is an experimental interface and could be changed someday.
-config BLK_WBT_SQ
- bool "Single queue writeback throttling"
- depends on BLK_WBT
- ---help---
- Enable writeback throttling by default on legacy single queue devices
-
config BLK_WBT_MQ
bool "Multiqueue writeback throttling"
default y
diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index 8ac93fcbaa2e..0fc222d4194b 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -709,8 +709,7 @@ void wbt_enable_default(struct request_queue *q)
if (!test_bit(QUEUE_FLAG_REGISTERED, &q->queue_flags))
return;
- if ((q->mq_ops && IS_ENABLED(CONFIG_BLK_WBT_MQ)) ||
- (q->request_fn && IS_ENABLED(CONFIG_BLK_WBT_SQ)))
+ if (q->mq_ops && IS_ENABLED(CONFIG_BLK_WBT_MQ))
wbt_init(q);
}
EXPORT_SYMBOL_GPL(wbt_enable_default);