include/linux/vfs_compat.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright (C) 2011 Lawrence Livermore National Security, LLC.
  24  */
  25
  26 #ifndef _ZFS_VFS_H
  27 #define _ZFS_VFS_H
  28
  29 /*
  30  * 2.6.35 API change,
  31  * The dentry argument to the .fsync() vfs hook was deemed unused by
  32  * all filesystem consumers and dropped.  Add a compatibility prototype
  33  * to ensure correct usage when defining this callback.
  34  */
  35 #ifdef HAVE_2ARGS_FSYNC
  36 #define ZPL_FSYNC_PROTO(fn, x, y, z)    static int fn(struct file *x, int z)
  37 #else
  38 #define ZPL_FSYNC_PROTO(fn, x, y, z)    static int fn(struct file *x, \
  39                                                       struct dentry *y, int z)
  40 #endif
  41
  42 #endif /* _ZFS_VFS_H */