zfs-builds-mm/zfs-0.8.5/config/kernel-blk-queue-max-hw-sectors.m4
2020-10-22 13:48:46 +02:00

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Text

dnl #
dnl # 2.6.34 API change
dnl # blk_queue_max_hw_sectors() replaces blk_queue_max_sectors().
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLK_QUEUE_MAX_HW_SECTORS], [
ZFS_LINUX_TEST_SRC([blk_queue_max_hw_sectors], [
#include <linux/blkdev.h>
], [
struct request_queue *q = NULL;
(void) blk_queue_max_hw_sectors(q, BLK_SAFE_MAX_SECTORS);
], [$NO_UNUSED_BUT_SET_VARIABLE])
])
AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_MAX_HW_SECTORS], [
AC_MSG_CHECKING([whether blk_queue_max_hw_sectors() is available])
ZFS_LINUX_TEST_RESULT([blk_queue_max_hw_sectors], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_BLK_QUEUE_MAX_HW_SECTORS, 1,
[blk_queue_max_hw_sectors() is available])
],[
AC_MSG_RESULT(no)
])
])