Create a special flag for the last rename event.
Signed-off-by: JC Lafoucriere <jacques-charles.lafoucriere@cea.fr>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3718
Reviewed-on: http://review.whamcloud.com/7260
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 #define CLF_UNLINK_HSM_EXISTS 0x0002 /* File has something in HSM */
                                     /* HSM cleaning needed */
 /* Flags for rename */
-#define CLF_RENAME_LAST       0x0001 /* rename unlink last hardlink of target */
+#define CLF_RENAME_LAST                0x0001  /* rename unlink last hardlink of
+                                        * target
+                                        */
+#define CLF_RENAME_LAST_EXISTS 0x0002  /* rename unlink last hardlink of target
+                                        * has an archive in backend
+                                        */
 
 /* Flags for HSM */
 /* 12b used (from high weight to low weight):