remove mm/backing-dev.c:congestion_wait_interruptible()

congestion_wait_interruptible() is no longer used.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 16 deletions

diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index e5de3781d3fe..f50a2811f9dc 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -55,22 +55,6 @@ long congestion_wait(int rw, long timeout)
 }
 EXPORT_SYMBOL(congestion_wait);
 
-long congestion_wait_interruptible(int rw, long timeout)
-{
-        long ret;
-        DEFINE_WAIT(wait);
-        wait_queue_head_t *wqh = &congestion_wqh[rw];
-
-        prepare_to_wait(wqh, &wait, TASK_INTERRUPTIBLE);
-        if (signal_pending(current))
-                ret = -ERESTARTSYS;
-        else
-                ret = io_schedule_timeout(timeout);
-        finish_wait(wqh, &wait);
-        return ret;
-}
-EXPORT_SYMBOL(congestion_wait_interruptible);
-
 /**
  * congestion_end - wake up sleepers on a congested backing_dev_info
  * @rw: READ or WRITE