Merge tag 'v4.4.8' into linux-linaro-lsk-v4.4lsk-v4.4-16.04

 This is the 4.4.8 stable release

1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 22c5a0cf16e3..ab3d8d9bb3ef 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1207,6 +1207,16 @@ static inline struct inode *file_inode(const struct file *f)
 	return f->f_inode;
 }
 
+static inline struct dentry *file_dentry(const struct file *file)
+{
+	struct dentry *dentry = file->f_path.dentry;
+
+	if (unlikely(dentry->d_flags & DCACHE_OP_REAL))
+		return dentry->d_op->d_real(dentry, file_inode(file));
+	else
+		return dentry;
+}
+
 static inline int locks_lock_file_wait(struct file *filp, struct file_lock *fl)
 {
 	return locks_lock_inode_wait(file_inode(filp), fl);