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block: add wbt_disable_default export for BFQ 

This isn't unused, if BFQ is modular we get into trouble.

Fixes: b6676f653f ("block: remove a few unused exports")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
hifive-unleashed-5.1
Jens Axboe 2018-11-15 12:31:27 -07:00
parent 0d945c1f96
commit e815f404af
1 changed files with 1 additions and 0 deletions
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block/blk-wbt.c
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@ -754,6 +754,7 @@ void wbt_disable_default(struct request_queue *q)
if (rwb->enable_state == WBT_STATE_ON_DEFAULT)
rwb->wb_normal = 0;
}
EXPORT_SYMBOL_GPL(wbt_disable_default);
static struct rq_qos_ops wbt_rqos_ops = {
.throttle = wbt_wait,