zfs-builds-mm/zfs-0.8.4/config/kernel-blk-queue-flags.m4

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2020-07-19 16:21:53 +02:00
dnl #
dnl # API change
dnl # https://github.com/torvalds/linux/commit/8814ce8
dnl # Introduction of blk_queue_flag_set and blk_queue_flag_clear
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLK_QUEUE_FLAG_SET], [
ZFS_LINUX_TEST_SRC([blk_queue_flag_set], [
#include <linux/kernel.h>
#include <linux/blkdev.h>
],[
struct request_queue *q = NULL;
blk_queue_flag_set(0, q);
])
])
AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_FLAG_SET], [
AC_MSG_CHECKING([whether blk_queue_flag_set() exists])
ZFS_LINUX_TEST_RESULT([blk_queue_flag_set], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_BLK_QUEUE_FLAG_SET, 1,
[blk_queue_flag_set() exists])
],[
AC_MSG_RESULT(no)
])
])
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLK_QUEUE_FLAG_CLEAR], [
ZFS_LINUX_TEST_SRC([blk_queue_flag_clear], [
#include <linux/kernel.h>
#include <linux/blkdev.h>
],[
struct request_queue *q = NULL;
blk_queue_flag_clear(0, q);
])
])
AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_FLAG_CLEAR], [
AC_MSG_CHECKING([whether blk_queue_flag_clear() exists])
ZFS_LINUX_TEST_RESULT([blk_queue_flag_clear], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_BLK_QUEUE_FLAG_CLEAR, 1,
[blk_queue_flag_clear() exists])
],[
AC_MSG_RESULT(no)
])
])
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLK_QUEUE_FLAGS], [
ZFS_AC_KERNEL_SRC_BLK_QUEUE_FLAG_SET
ZFS_AC_KERNEL_SRC_BLK_QUEUE_FLAG_CLEAR
])
AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_FLAGS], [
ZFS_AC_KERNEL_BLK_QUEUE_FLAG_SET
ZFS_AC_KERNEL_BLK_QUEUE_FLAG_CLEAR
])