1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index 7011d6255593..f2542c24b328 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -93,6 +93,7 @@ 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) \