1dnl # 2dnl # Linux 4.19 API 3dnl # 4AC_DEFUN([ZFS_AC_KERNEL_SRC_FADVISE], [ 5 ZFS_LINUX_TEST_SRC([file_fadvise], [ 6 #include <linux/fs.h> 7 8 static const struct file_operations 9 fops __attribute__ ((unused)) = { 10 .fadvise = NULL, 11 }; 12 ],[]) 13]) 14 15AC_DEFUN([ZFS_AC_KERNEL_FADVISE], [ 16 AC_MSG_CHECKING([whether fops->fadvise() exists]) 17 ZFS_LINUX_TEST_RESULT([file_fadvise], [ 18 AC_MSG_RESULT(yes) 19 AC_DEFINE(HAVE_FILE_FADVISE, 1, [fops->fadvise() exists]) 20 ],[ 21 AC_MSG_RESULT(no) 22 ]) 23]) 24