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>

diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index f2542c24b328b291c23b3cbee3a12a9f1ae45e86..7011d6255593dda940f859ab02e89e505d1a57ae 100644 (file)
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -93,7 +93,6 @@ static inline int bdi_rw_congested(struct backing_dev_info *bdi)
 void clear_bdi_congested(struct backing_dev_info *bdi, int rw);
 void set_bdi_congested(struct backing_dev_info *bdi, int rw);
 long congestion_wait(int rw, long timeout);
-long congestion_wait_interruptible(int rw, long timeout);
 void congestion_end(int rw);
 
 #define bdi_cap_writeback_dirty(bdi) \

diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index e5de3781d3feed5b6f156b064b4af8bb79871fed..f50a2811f9dc86b876d24e75333558583c075f1d 100644 (file)
--- 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