udf: Convert descriptor index definitions to enum

Convert index definitions from defines to enum. It is a shorter
description and easier to modify. Also remove VDS_POS_VOL_DESC_PTR since
it is unused.

Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>

diff --git a/fs/udf/super.c b/fs/udf/super.c
index 456d737fc7ca046c4387ef824b0d39ef788a514d..7712fa4b5a3df09bfbd64a10f8e67fd087cc8c1a 100644 (file)
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -64,14 +64,15 @@
 #include <linux/init.h>
 #include <linux/uaccess.h>
 
-#define VDS_POS_PRIMARY_VOL_DESC       0
-#define VDS_POS_UNALLOC_SPACE_DESC     1
-#define VDS_POS_LOGICAL_VOL_DESC       2
-#define VDS_POS_PARTITION_DESC         3
-#define VDS_POS_IMP_USE_VOL_DESC       4
-#define VDS_POS_VOL_DESC_PTR           5
-#define VDS_POS_TERMINATING_DESC       6
-#define VDS_POS_LENGTH                 7
+enum {
+       VDS_POS_PRIMARY_VOL_DESC,
+       VDS_POS_UNALLOC_SPACE_DESC,
+       VDS_POS_LOGICAL_VOL_DESC,
+       VDS_POS_PARTITION_DESC,
+       VDS_POS_IMP_USE_VOL_DESC,
+       VDS_POS_TERMINATING_DESC,
+       VDS_POS_LENGTH
+};
 
 #define VSD_FIRST_SECTOR_OFFSET                32768
 #define VSD_MAX_SECTOR_OFFSET          0x800000