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 f2542c2..7011d625 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -93,7 +93,6 @@
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 e5de378..f50a281 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -55,22 +55,6 @@
}
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