From 9ceebd7a4bd93adfbca12066c2eccd0863c6b7a2 Mon Sep 17 00:00:00 2001
From: Lionel Sambuc <lionel@minix3.org>
Date: Mon, 12 May 2014 13:07:11 +0200
Subject: [PATCH] Message type for VFS_FSYNC

Change-Id: Iae9d27dbf40bc5567de6c5960f5cbe174be00dbd
---
 include/minix/callnr.h     | 3 ---
 include/minix/ipc.h        | 8 ++++++++
 lib/libc/sys-minix/fsync.c | 2 +-
 servers/vfs/misc.c         | 2 +-
 4 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/include/minix/callnr.h b/include/minix/callnr.h
index 4fe328bf7..e54953c4a 100644
--- a/include/minix/callnr.h
+++ b/include/minix/callnr.h
@@ -232,9 +232,6 @@
 
 #define NR_VFS_CALLS		49	/* highest number from base plus one */
 
-/* Field names for the fsync(2) call. */
-#define VFS_FSYNC_FD		m1_i1	/* int */
-
 /* Field names for the lseek(2) call. */
 #define VFS_LSEEK_FD		m2_i1	/* int */
 #define VFS_LSEEK_OFF		m2_ll1	/* off_t */
diff --git a/include/minix/ipc.h b/include/minix/ipc.h
index f25dcd944..6914f894c 100644
--- a/include/minix/ipc.h
+++ b/include/minix/ipc.h
@@ -146,6 +146,13 @@ typedef struct {
 } mess_sigcalls;
 _ASSERT_MSG_SIZE(mess_sigcalls);
 
+typedef struct {
+	int fd;
+
+	uint8_t padding[52];
+} mess_lc_vfs_fsync;
+_ASSERT_MSG_SIZE(mess_lc_vfs_fsync);
+
 typedef struct {
 	int32_t flags;
 	size_t len;
@@ -689,6 +696,7 @@ typedef struct {
 		mess_fs_vfs_readsuper	m_fs_vfs_readsuper;
 		mess_fs_vfs_readwrite	m_fs_vfs_readwrite;
 
+		mess_lc_vfs_fsync	m_lc_vfs_fsync;
 		mess_lc_vfs_getvfsstat	m_lc_vfs_getvfsstat;
 		mess_lc_vfs_ioctl	m_lc_vfs_ioctl;
 		mess_lc_vfs_mount	m_lc_vfs_mount;
diff --git a/lib/libc/sys-minix/fsync.c b/lib/libc/sys-minix/fsync.c
index 6297e247d..915111628 100644
--- a/lib/libc/sys-minix/fsync.c
+++ b/lib/libc/sys-minix/fsync.c
@@ -10,7 +10,7 @@ int fsync(int fd)
   message m;
 
   memset(&m, 0, sizeof(m));
-  m.VFS_FSYNC_FD = fd;
+  m.m_lc_vfs_fsync.fd = fd;
 
   return(_syscall(VFS_PROC_NR, VFS_FSYNC, &m));
 }
diff --git a/servers/vfs/misc.c b/servers/vfs/misc.c
index 7ab76b072..0775a4b4e 100644
--- a/servers/vfs/misc.c
+++ b/servers/vfs/misc.c
@@ -281,7 +281,7 @@ int do_fsync(void)
   dev_t dev;
   int r = OK;
 
-  scratch(fp).file.fd_nr = job_m_in.VFS_FSYNC_FD;
+  scratch(fp).file.fd_nr = job_m_in.m_lc_vfs_fsync.fd;
 
   if ((rfilp = get_filp(scratch(fp).file.fd_nr, VNODE_READ)) == NULL)
 	return(err_code);