1dnl #
2dnl # 4.1 API change
3dnl # struct access file->f_path.dentry was replaced by accessor function
4dnl # since fix torvalds/linux@4bacc9c9234c ("overlayfs: Make f_path always
5dnl # point to the overlay and f_inode to the underlay").
6dnl #
7AC_DEFUN([ZFS_AC_KERNEL_SRC_FILE_DENTRY], [
8	ZFS_LINUX_TEST_SRC([file_dentry], [
9		#include <linux/fs.h>
10	],[
11		struct file *f = NULL;
12		file_dentry(f);
13	])
14])
15
16AC_DEFUN([ZFS_AC_KERNEL_FILE_DENTRY], [
17	AC_MSG_CHECKING([whether file_dentry() is available])
18	ZFS_LINUX_TEST_RESULT([file_dentry], [
19		AC_MSG_RESULT(yes)
20		AC_DEFINE(HAVE_FILE_DENTRY, 1, [file_dentry() is available])
21	],[
22		AC_MSG_RESULT(no)
23	])
24])
25