Message type for VFS_CLOSE

Change-Id: Iebe5f06b0dc95cdca61d95ab875d4fa1171f4f4c

include/minix/callnr.h

@@ -232,9 +232,6 @@
 
 #define NR_VFS_CALLS		49	/* highest number from base plus one */
 
-/* Field names for the close(2) call. */
-#define VFS_CLOSE_FD		m1_i1	/* int */
-
 /* Field names for the read(2), write(2), and getdents(2) calls. */
 #define VFS_READWRITE_FD	m1_i1	/* int */
 #define VFS_READWRITE_BUF	m1_p1	/* char * */

include/minix/ipc.h

@@ -156,6 +156,13 @@ typedef struct {
 } mess_lc_vfs_chown;
 _ASSERT_MSG_SIZE(mess_lc_vfs_chown);
 
+typedef struct {
+	int fd;
+
+	uint8_t padding[52];
+} mess_lc_vfs_close;
+_ASSERT_MSG_SIZE(mess_lc_vfs_close);
+
 typedef struct {
 	vir_bytes name;
 	size_t len;
@@ -843,6 +850,7 @@ typedef struct {
 		mess_fs_vfs_readwrite	m_fs_vfs_readwrite;
 
 		mess_lc_vfs_chown	m_lc_vfs_chown;
+		mess_lc_vfs_close	m_lc_vfs_close;
 		mess_lc_vfs_creat	m_lc_vfs_creat;
 		mess_lc_vfs_fchdir	m_lc_vfs_fchdir;
 		mess_lc_vfs_fchmod	m_lc_vfs_fchmod;

lib/libc/sys-minix/close.c

@@ -11,6 +11,6 @@ int fd;
   message m;
 
   memset(&m, 0, sizeof(m));
-  m.VFS_CLOSE_FD = fd;
+  m.m_lc_vfs_close.fd = fd;
   return(_syscall(VFS_PROC_NR, VFS_CLOSE, &m));
 }

servers/vfs/open.c

@@ -662,7 +662,7 @@ int do_lseek(void)
 int do_close(void)
 {
 /* Perform the close(fd) system call. */
-  int thefd = job_m_in.VFS_CLOSE_FD;
+  int thefd = job_m_in.m_lc_vfs_close.fd;
   return close_fd(fp, thefd);
 }