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-rw-r--r--block/blk.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/block/blk.h b/block/blk.h
index 1e675e5ade0..2db8f32838e 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -116,6 +116,10 @@ void blk_queue_congestion_threshold(struct request_queue *q);
int blk_dev_init(void);
+void elv_quiesce_start(struct request_queue *q);
+void elv_quiesce_end(struct request_queue *q);
+
+
/*
* Return the threshold (number of used requests) at which the queue is
* considered to be congested. It include a little hysteresis to keep the