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