1*eda14cbcSMatt Macydnl #
2*eda14cbcSMatt Macydnl # 4.1 API change
3*eda14cbcSMatt Macydnl # struct access file->f_path.dentry was replaced by accessor function
4*eda14cbcSMatt Macydnl # since fix torvalds/linux@4bacc9c9234c ("overlayfs: Make f_path always
5*eda14cbcSMatt Macydnl # point to the overlay and f_inode to the underlay").
6*eda14cbcSMatt Macydnl #
7*eda14cbcSMatt MacyAC_DEFUN([ZFS_AC_KERNEL_SRC_FILE_DENTRY], [
8*eda14cbcSMatt Macy	ZFS_LINUX_TEST_SRC([file_dentry], [
9*eda14cbcSMatt Macy		#include <linux/fs.h>
10*eda14cbcSMatt Macy	],[
11*eda14cbcSMatt Macy		struct file *f = NULL;
12*eda14cbcSMatt Macy		file_dentry(f);
13*eda14cbcSMatt Macy	])
14*eda14cbcSMatt Macy])
15*eda14cbcSMatt Macy
16*eda14cbcSMatt MacyAC_DEFUN([ZFS_AC_KERNEL_FILE_DENTRY], [
17*eda14cbcSMatt Macy	AC_MSG_CHECKING([whether file_dentry() is available])
18*eda14cbcSMatt Macy	ZFS_LINUX_TEST_RESULT([file_dentry], [
19*eda14cbcSMatt Macy		AC_MSG_RESULT(yes)
20*eda14cbcSMatt Macy		AC_DEFINE(HAVE_FILE_DENTRY, 1, [file_dentry() is available])
21*eda14cbcSMatt Macy	],[
22*eda14cbcSMatt Macy		AC_MSG_RESULT(no)
23*eda14cbcSMatt Macy	])
24*eda14cbcSMatt Macy])
25