1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index 4351b49e2b1..35d3f459b0a 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -106,6 +106,14 @@ reiserfs_mutex_lock_nested_safe(struct mutex *m, unsigned int subclass,
         reiserfs_write_lock(s);
 }
 
+static inline void
+reiserfs_down_read_safe(struct rw_semaphore *sem, struct super_block *s)
+{
+        reiserfs_write_unlock(s);
+        down_read(sem);
+        reiserfs_write_lock(s);
+}
+
 /*
  * When we schedule, we usually want to also release the write lock,
  * according to the previous bkl based locking scheme of reiserfs.