[LogFS] Change magic number

Many changes were made during development that could result in old
versions of mklogfs and the kernel code being subtly incompatible.
Not being a friend of subtleties, I hereby change the magic number.
Any old version of mklogfs is now guaranteed to fail.

diff --git a/fs/logfs/logfs_abi.h b/fs/logfs/logfs_abi.h
index d8cc957..f674725 100644 (file)
--- a/fs/logfs/logfs_abi.h
+++ b/fs/logfs/logfs_abi.h
@@ -61,7 +61,7 @@ static inline void check_##type(void)                         \
 
 
 /* Magic numbers.  64bit for superblock, 32bit for statfs f_type */
-#define LOGFS_MAGIC            0xb21f205ac97e8168ull
+#define LOGFS_MAGIC            0x7a3a8e5cb9d5bf67ull
 #define LOGFS_MAGIC_U32                0xc97e8168u
 
 /*