Sorted entries and added comments.

diff --git a/sysdeps/unix/sysv/linux/linux_fsinfo.h b/sysdeps/unix/sysv/linux/linux_fsinfo.h
index 85e2645880ad2dd3d4b93a775e0176d00f13a0e7..774b87ce2293a00306ee738c1c8f6e843125ef09 100644 (file)
--- a/sysdeps/unix/sysv/linux/linux_fsinfo.h
+++ b/sysdeps/unix/sysv/linux/linux_fsinfo.h
@@ -24,42 +24,88 @@
    include the headers here because of type clashes.  If new
    filesystem types will become available we have to add the
    appropriate definitions here.*/
+
+/* Constants that identify the `adfs' filesystem.  */
 #define ADFS_SUPER_MAGIC       0xadf5
+
+/* Constants that identify the `affs' filesystem.  */
 #define AFFS_SUPER_MAGIC       0xadff
+
+/* Constants that identify the `bfs' filesystem.  */
 #define BFS_MAGIC              0x1BADFACE
+
+/* Constants that identify the `coda' filesystem.  */
 #define CODA_SUPER_MAGIC       0x73757245
-#define DEVPTS_SUPER_MAGIC     0x1cd1
+
+/* Constants that identify the `coherent' filesystem.  */
+#define COH_SUPER_MAGIC                0x012ff7b7
+
+/* Constant that identifies the `devfs' filesystem.  */
 #define DEVFS_SUPER_MAGIC      0x1373
+
+/* Constant that identifies the `devpts' filesystem.  */
+#define DEVPTS_SUPER_MAGIC     0x1cd1
+
+/* Constant that identifies the `efs' filesystem.  */
 #define EFS_SUPER_MAGIC                0x414A53
+
+/* Constant that identifies the `ext2' and `ext3' filesystems.  */
 #define EXT2_SUPER_MAGIC       0xef53
+
+/* Constant that identifies the `hpfs' filesystem.  */
 #define HPFS_SUPER_MAGIC       0xf995e849
+
+/* Constant that identifies the `iso9660' filesystem.  */
 #define ISOFS_SUPER_MAGIC      0x9660
-#define MINIX_SUPER_MAGIC      0x137f
-#define MINIX_SUPER_MAGIC2     0x138F
+
+/* Constants that identify the `minix2' filesystem.  */
 #define MINIX2_SUPER_MAGIC     0x2468
 #define MINIX2_SUPER_MAGIC2    0x2478
+
+/* Constants that identify the `minix' filesystem.  */
+#define MINIX_SUPER_MAGIC      0x137f
+#define MINIX_SUPER_MAGIC2     0x138F
+
+/* Constants that identify the `msdos' filesystem.  */
 #define MSDOS_SUPER_MAGIC      0x4d44
+
+/* Constants that identify the `ncp' filesystem.  */
 #define NCP_SUPER_MAGIC                0x564c
+
+/* Constants that identify the `nfs' filesystem.  */
 #define NFS_SUPER_MAGIC                0x6969
+
+/* Constants that identify the `proc' filesystem.  */
 #define PROC_SUPER_MAGIC       0x9fa0
+
+/* Constants that identify the `qnx4' filesystem.  */
 #define QNX4_SUPER_MAGIC       0x002f
+
+/* Constants that identify the `reiser' filesystem.  */
 #define REISERFS_SUPER_MAGIC   0x52654973
+
+/* Constants that identify the `smb' filesystem.  */
 #define SMB_SUPER_MAGIC                0x517b
-#define XENIX_SUPER_MAGIC      0x012ff7b4
-#define SYSV4_SUPER_MAGIC      0x012ff7b5
+
+/* Constants that identify the `sysV' filesystem.  */
 #define SYSV2_SUPER_MAGIC      0x012ff7b6
-#define COH_SUPER_MAGIC                0x012ff7b7
+#define SYSV4_SUPER_MAGIC      0x012ff7b5
+
+/* Constants that identify the `ufs' filesystem.  */
 #define UFS_MAGIC              0x00011954
 #define UFS_CIGAM              0x54190100 /* byteswapped MAGIC */
 
+/* Constants that identify the `xenix' filesystem.  */
+#define XENIX_SUPER_MAGIC      0x012ff7b4
+
 /* Maximum link counts.  */
+#define COH_LINK_MAX           10000
 #define EXT2_LINK_MAX          32000
-#define MINIX_LINK_MAX         250
 #define MINIX2_LINK_MAX                65530
-#define XENIX_LINK_MAX         126     /* ?? */
+#define MINIX_LINK_MAX         250
 #define REISERFS_LINK_MAX      64535
 #define SYSV_LINK_MAX          126     /* 127? 251? */
-#define COH_LINK_MAX           10000
 #define UFS_LINK_MAX           EXT2_LINK_MAX
+#define XENIX_LINK_MAX         126     /* ?? */
 
 #endif /* linux_fsinfo.h */