AC_DEFUN(LINUX_INODE_SETATTR_RETURN_TYPE,[
AC_MSG_CHECKING(for inode_setattr return type)
save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -D__KERNEL__ $CPPFLAGS"
AC_CACHE_VAL(ac_cv_linux_func_inode_setattr_returns_int,
[
AC_TRY_COMPILE(
[#include <linux/fs.h>],
[struct inode _inode; 
struct iattr _iattr;
int i; 
i = inode_setattr(&_inode, &_iattr);], 
ac_cv_linux_func_inode_setattr_returns_int=yes,
ac_cv_linux_func_inode_setattr_returns_int=no)])
AC_MSG_RESULT($ac_cv_linux_func_inode_setattr_returns_int)
CPPFLAGS="$save_CPPFLAGS"])