zfs-builds-mm/zfs-0.8.1/config/kernel-vfs-fsync.m4

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dnl #
dnl # 2.6.35 API change,
dnl # Unused 'struct dentry *' removed from vfs_fsync() prototype.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_2ARGS_VFS_FSYNC], [
AC_MSG_CHECKING([whether vfs_fsync() wants 2 args])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
vfs_fsync(NULL, 0);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_2ARGS_VFS_FSYNC, 1, [vfs_fsync() wants 2 args])
],[
AC_MSG_RESULT(no)
])
])