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-rw-r--r--mm/backing-dev.c13
1 files changed, 0 insertions, 13 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index f50a2811f9dc..841901a95595 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -54,16 +54,3 @@ long congestion_wait(int rw, long timeout)
54 return ret; 54 return ret;
55} 55}
56EXPORT_SYMBOL(congestion_wait); 56EXPORT_SYMBOL(congestion_wait);
57
58/**
59 * congestion_end - wake up sleepers on a congested backing_dev_info
60 * @rw: READ or WRITE
61 */
62void congestion_end(int rw)
63{
64 wait_queue_head_t *wqh = &congestion_wqh[rw];
65
66 if (waitqueue_active(wqh))
67 wake_up(wqh);
68}
69EXPORT_SYMBOL(congestion_end);