Add syncfs syscall.

ChangeLog

@@ -1,3 +1,10 @@
+2011-03-30  Andreas Schwab  <schwab@redhat.com>
+
+	* misc/syncfs.c: New file.
+	* misc/Makefile (routines): Add syncfs.
+	* posix/unistd.h: Declare syncfs.
+	* sysdeps/unix/syscalls.list: Add syncfs.
+
 2011-04-01  Andreas Schwab  <schwab@redhat.com>
 
 	* sysdeps/unix/sysv/linux/Versions: Rename open_by_handle to

misc/Makefile

@@ -1,4 +1,4 @@
-# Copyright (C) 1991-2006, 2007, 2009 Free Software Foundation, Inc.
+# Copyright (C) 1991-2006, 2007, 2009, 2011 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -41,7 +41,7 @@ routines := brk sbrk sstk ioctl \
 	    getdtsz \
 	    gethostname sethostname getdomain setdomain \
 	    select pselect \
-	    acct chroot fsync sync fdatasync reboot \
+	    acct chroot fsync sync fdatasync syncfs reboot \
 	    gethostid sethostid \
 	    revoke vhangup \
 	    swapon swapoff mktemp mkstemp mkstemp64 mkdtemp \

misc/Versions

@@ -143,4 +143,7 @@ libc {
   GLIBC_2.11 {
     mkstemps; mkstemps64; mkostemps; mkostemps64;
   }
+  GLIBC_2.14 {
+    syncfs;
+  }
 }

misc/syncfs.c

@@ -0,0 +1,33 @@
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* Make all changes done to all files on the file system associated
+   with FD actually appear on disk.  */
+int
+syncfs (int fd)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+
+stub_warning (syncfs)
+#include <stub-tag.h>

posix/unistd.h

@@ -977,6 +977,13 @@ extern int fsync (int __fd);
 #endif /* Use BSD || X/Open || Unix98.  */
 
 
+#ifdef __USE_GNU
+/* Make all changes done to all files on the file system associated
+   with FD actually appear on disk.  */
+extern int syncfs (int __fd) __THROW;
+#endif
+
+
 #if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
 
 /* Return identifier for the current host.  */

sysdeps/unix/syscalls.list

@@ -55,6 +55,7 @@ swapoff		-	swapoff		i:s	swapoff
 swapon		-	swapon		i:s	swapon
 symlink		-	symlink		i:ss	__symlink	symlink
 sync		-	sync		i:	sync
+syncfs		-	syncfs		i:i	syncfs
 sys_fstat	fxstat	fstat		i:ip	__syscall_fstat
 sys_mknod	xmknod	mknod		i:sii	__syscall_mknod
 sys_stat	xstat	stat		i:sp	__syscall_stat