mirror_zfs/config/kernel-genhd-flags.m4
Rob Norris 0a61e51736 config: rework ZFS_GENHD_FL_*
Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #16479
2024-09-18 11:23:51 -07:00

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dnl #
dnl # 5.17 API change,
dnl #
dnl # GENHD_FL_EXT_DEVT flag removed
dnl # GENHD_FL_NO_PART_SCAN renamed GENHD_FL_NO_PART
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_GENHD_FLAGS], [
ZFS_LINUX_TEST_SRC([genhd_fl_ext_devt], [
#include <linux/blkdev.h>
], [
int flags __attribute__ ((unused)) = GENHD_FL_EXT_DEVT;
])
ZFS_LINUX_TEST_SRC([genhd_fl_no_part], [
#include <linux/blkdev.h>
], [
int flags __attribute__ ((unused)) = GENHD_FL_NO_PART;
])
])
AC_DEFUN([ZFS_AC_KERNEL_GENHD_FLAGS], [
AC_MSG_CHECKING([whether GENHD_FL_EXT_DEVT flag is available])
ZFS_LINUX_TEST_RESULT([genhd_fl_ext_devt], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GENHD_FL_EXT_DEVT, 1,
[GENHD_FL_EXT_DEVT flag is available])
], [
AC_MSG_RESULT(no)
])
AC_MSG_CHECKING([whether GENHD_FL_NO_PART flag is available])
ZFS_LINUX_TEST_RESULT([genhd_fl_no_part], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GENHD_FL_NO_PART, 1,
[GENHD_FL_NO_PART flag is available])
], [
AC_MSG_RESULT(no)
])
])