include, vfs: statvfs, fstatvfs calls, contributed by Buccapatnam Tirumala, Gautam.

include/minix/callnr.h

@@ -73,6 +73,8 @@
 #define GETDENTS	  80	/* to FS */
 #define LLSEEK		  81	/* to VFS */
 #define FSTATFS	 	  82	/* to VFS */
+#define STATVFS 	  83	/* to VFS */
+#define FSTATVFS 	  84	/* to VFS */
 #define SELECT            85	/* to VFS */
 #define FCHDIR            86	/* to VFS */
 #define FSYNC             87	/* to VFS */

include/minix/com.h

@@ -245,6 +245,14 @@
 #define TAPE_STAT0	m2_l1
 #define TAPE_STAT1	m2_l2
 
+/* Field names for the fstatvfs call */
+#define FSTATVFS_FD m1_i1
+#define FSTATVFS_BUF m1_p1
+
+/* Field names for the statvfs call */
+#define STATVFS_LEN m1_i1
+#define STATVFS_NAME m1_p1
+#define STATVFS_BUF m1_p2
 /*===========================================================================*
  *                  	   Messages for networking layer		     *
  *===========================================================================*/

include/minix/vfsif.h

@@ -113,8 +113,9 @@ typedef struct {
 #define REQ_NEWNODE	(VFS_BASE + 29)
 #define REQ_RDLINK	(VFS_BASE + 30)
 #define REQ_GETDENTS	(VFS_BASE + 31)
+#define REQ_STATVFS		(VFS_BASE + 32)
 
-#define NREQS                   32 
+#define NREQS                   33
 
 #endif