Implement support for getvfsstat(2)

Change-Id: I99b697919d411c57105de561105beefc7d1d309a

include/minix/callnr.h

@@ -74,6 +74,7 @@
 #define SYSUNAME	  78
 #define GETDENTS_321	  80	/* to VFS */
 #define LLSEEK		  81	/* to VFS */
+#define GETVFSSTAT	  82	/* to VFS */
 #define STATVFS 	  83	/* to VFS */
 #define FSTATVFS 	  84	/* to VFS */
 #define SELECT            85	/* to VFS */

include/minix/com.h

@@ -902,6 +902,11 @@
 #define SEL_ERRORFDS   m8_p3
 #define SEL_TIMEOUT    m8_p4
 
+/* Field names for the getvfsstat(2) call. */
+#define VFS_GETVFSSTAT_BUF	m1_p1
+#define VFS_GETVFSSTAT_SIZE	m1_i1
+#define VFS_GETVFSSTAT_FLAGS	m1_i2
+
 /* Field names for the fstatvfs call */
 #define FSTATVFS_FD m1_i1
 #define FSTATVFS_BUF m1_p1

include/minix/sysinfo.h

@@ -13,7 +13,6 @@ int getsysinfo(endpoint_t who, int what, void *where, size_t size);
 #define SI_DATA_STORE	   5	/* get copy of data store mappings */
 #define SI_CALL_STATS	   9	/* system call statistics */
 #define SI_PROCPUB_TAB	   11	/* copy of public entries of process table */
-#define SI_VMNT_TAB        12   /* get vmnt table */
 
 #endif