1 files changed, 61 insertions, 0 deletions
diff --git a/libdiskfs/file-syncfs.c b/libdiskfs/file-syncfs.c
new file mode 100644
index 00000000..a3b7622e
--- /dev/null
+++ b/libdiskfs/file-syncfs.c
@@ -0,0 +1,61 @@
+/* libdiskfs implementation of fs.defs: file_syncfs
+   Copyright (C) 1992, 1993, 1994, 1995, 1996 Free Software Foundation
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "priv.h"
+#include "fs_S.h"
+#include <hurd/fsys.h>
+
+/* Implement file_syncfs as described in <hurd/fs.defs>. */
+kern_return_t
+diskfs_S_file_syncfs (struct protid *cred,
+		      int wait,
+		      int dochildren)
+{
+  error_t 
+    helper (struct node *np)
+      {
+	error_t error;
+	mach_port_t control;
+	
+	error = fshelp_fetch_control (&np->transbox, &control);
+	mutex_unlock (&np->lock);
+	if (!error && (control != MACH_PORT_NULL))
+	  {
+	    fsys_syncfs (control, wait, 1);
+	    mach_port_deallocate (mach_task_self (), control);
+	  }
+	mutex_lock (&np->lock);
+	return 0;
+      }
+  
+  if (!cred)
+    return EOPNOTSUPP;
+
+  if (dochildren)
+    diskfs_node_iterate (helper);
+
+  if (diskfs_synchronous)
+    wait = 1;
+
+  if (! diskfs_readonly)
+    {
+      diskfs_sync_everything (wait);
+      diskfs_set_hypermetadata (wait, 0);
+    }
+
+  return 0;
+}