[patch] Fix for WWN links under /dev/disk/by-id

eudev-wwnfix.patch (text/plain), 2.33 KB, created by Sven E. on 2017-04-26 21:26:04 UTC

diff -ruN eudev-3.2.2-orig/rules/60-persistent-storage.rules eudev-3.2.2-new/rules/60-persistent-storage.rules
--- eudev-3.2.2-orig/rules/60-persistent-storage.rules	2016-12-11 16:41:58.000000000 +0100
+++ eudev-3.2.2-new/rules/60-persistent-storage.rules	2017-04-26 23:14:04.197109882 +0200
@@ -83,6 +83,9 @@
 # by-id (World Wide Name)
 ENV{DEVTYPE}=="disk", ENV{ID_WWN_WITH_EXTENSION}=="?*", SYMLINK+="disk/by-id/wwn-$env{ID_WWN_WITH_EXTENSION}"
 ENV{DEVTYPE}=="partition", ENV{ID_WWN_WITH_EXTENSION}=="?*", SYMLINK+="disk/by-id/wwn-$env{ID_WWN_WITH_EXTENSION}-part%n"
+#(Temporary) Compatibility rule for old broken WWNs in case some uses them:
+ENV{DEVTYPE}=="disk", ENV{ID_WWN_WITH_EXTENSION_REVERSED_DO_NOT_USE}=="?*", SYMLINK+="disk/by-id/wwn-$env{ID_WWN_WITH_EXTENSION_REVERSED_DO_NOT_USE}"
+ENV{DEVTYPE}=="partition", ENV{ID_WWN_WITH_EXTENSION_REVERSED_DO_NOT_USE}=="?*", SYMLINK+="disk/by-id/wwn-$env{ID_WWN_WITH_EXTENSION_REVERSED_DO_NOT_USE}-part%n"
 
 # by-partlabel/by-partuuid links (partition metadata)
 ENV{ID_PART_ENTRY_UUID}=="?*", SYMLINK+="disk/by-partuuid/$env{ID_PART_ENTRY_UUID}"
diff -ruN eudev-3.2.2-orig/src/ata_id/ata_id.c eudev-3.2.2-new/src/ata_id/ata_id.c
--- eudev-3.2.2-orig/src/ata_id/ata_id.c	2016-11-17 22:14:19.000000000 +0100
+++ eudev-3.2.2-new/src/ata_id/ata_id.c	2017-04-26 23:18:51.116127146 +0200
@@ -645,10 +645,22 @@
                  * All other values are reserved.
                  */
                 word = identify.wyde[108];
-                if ((word & 0xf000) == 0x5000)
-                        printf("ID_WWN=0x%1$"PRIu64"x\n"
-                               "ID_WWN_WITH_EXTENSION=0x%1$"PRIu64"x\n",
-                               identify.octa[108/4]);
+                if ((word & 0xf000) == 0x5000){
+			uint64_t wwn;
+
+			wwn = identify.wyde[108];
+			wwn <<= 16;
+			wwn |= identify.wyde[109];
+			wwn <<= 16;
+			wwn |= identify.wyde[110];
+			wwn <<= 16;
+			wwn |= identify.wyde[111]; /* Could possibly done nicer ? */ 
+                        printf("ID_WWN=0x%1$" PRIx64 "\n"
+                               "ID_WWN_WITH_EXTENSION=0x%1$" PRIx64 "\n",
+                               wwn);
+			printf("ID_WWN_WITH_EXTENSION_REVERSED_DO_NOT_USE=0x%" PRIu64 "x\n",
+			       identify.octa[108/4]);
+		}
 
                 /* from Linux's include/linux/ata.h */
                 if (identify.wyde[0] == 0x848a ||