4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Miklos Szeredi <mszeredi@xxxxxxxxxx>
commit a118084432d642eeccb961c7c8cc61525a941fcb upstream.
Needed by the following fix.
Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
include/linux/dcache.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -603,5 +603,17 @@ static inline struct inode *vfs_select_i
return inode;
}
+/**
+ * d_real_inode - Return the real inode
+ * @dentry: The dentry to query
+ *
+ * If dentry is on an union/overlay, then return the underlying, real inode.
+ * Otherwise return d_inode().
+ */
+static inline struct inode *d_real_inode(struct dentry *dentry)
+{
+ return d_backing_inode(d_real(dentry));
+}
+
#endif /* __LINUX_DCACHE_H */
--
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