[PATCH 15/18] envfs: introduce version major and minor

[Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>]

they are store in the super block at byte 16th and 17th.

set the verison at 0.1

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
 common/environment.c |    2 ++
 include/envfs.h      |    7 ++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/common/environment.c b/common/environment.c
index 52ce0de..8efed97 100644
--- a/common/environment.c
+++ b/common/environment.c
@@ -125,6 +125,8 @@ int envfs_save(char *filename, char *dirname)
 
 	super = (struct envfs_super *)buf;
 	super->magic = ENVFS_32(ENVFS_MAGIC);
+	super->major = ENVFS_MAJOR;
+	super->minor = ENVFS_MINOR;
 	super->size = ENVFS_32(size);
 
 	/* second pass: copy files to buffer */
diff --git a/include/envfs.h b/include/envfs.h
index ba976d6..c6df8c5 100644
--- a/include/envfs.h
+++ b/include/envfs.h
@@ -5,6 +5,9 @@
 #include <asm/byteorder.h>
 #endif
 
+#define ENVFS_MAJOR		0
+#define ENVFS_MINOR		1
+
 #define ENVFS_MAGIC		    0x798fba79	/* some random number */
 #define ENVFS_INODE_MAGIC	0x67a8c78d
 #define ENVFS_END_MAGIC		0x6a87d6cd
@@ -29,8 +32,10 @@ struct envfs_super {
 	uint32_t priority;
 	uint32_t crc;			/* crc for the data */
 	uint32_t size;			/* size of data */
+	uint8_t major;			/* major */
+	uint8_t minor;			/* minor */
+	uint16_t future;		/* reserved for future use */
 	uint32_t flags;			/* feature flags */
-	uint32_t future;		/* reserved for future use */
 	uint32_t sb_crc;		/* crc for the superblock */
 };
 
-- 
1.7.10.4


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