minix: describe usage of different magic numbers

One can get this information from minix/inode.c, but adding the
explanations at the definition sites is more appropriate.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/linux/magic.h b/include/linux/magic.h
index 1e5df2a..2d4beab 100644 (file)
--- a/include/linux/magic.h
+++ b/include/linux/magic.h
@@ -30,11 +30,11 @@
 #define ANON_INODE_FS_MAGIC    0x09041934
 #define PSTOREFS_MAGIC         0x6165676C
 
-#define MINIX_SUPER_MAGIC      0x137F          /* original minix fs */
-#define MINIX_SUPER_MAGIC2     0x138F          /* minix fs, 30 char names */
-#define MINIX2_SUPER_MAGIC     0x2468          /* minix V2 fs */
-#define MINIX2_SUPER_MAGIC2    0x2478          /* minix V2 fs, 30 char names */
-#define MINIX3_SUPER_MAGIC     0x4d5a          /* minix V3 fs */
+#define MINIX_SUPER_MAGIC      0x137F          /* minix v1 fs, 14 char names */
+#define MINIX_SUPER_MAGIC2     0x138F          /* minix v1 fs, 30 char names */
+#define MINIX2_SUPER_MAGIC     0x2468          /* minix v2 fs, 14 char names */
+#define MINIX2_SUPER_MAGIC2    0x2478          /* minix v2 fs, 30 char names */
+#define MINIX3_SUPER_MAGIC     0x4d5a          /* minix v3 fs, 60 char names */
 
 #define MSDOS_SUPER_MAGIC      0x4d44          /* MD */
 #define NCP_SUPER_MAGIC                0x564c          /* Guess, what 0x564c is :-) */