zfs-builds-mm/zfs-0.8.4/config/kernel-blk-queue-discard.m4
2020-07-19 16:21:53 +02:00

72 lines
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Text

dnl #
dnl # 2.6.32 - 4.x API,
dnl # blk_queue_discard()
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLK_QUEUE_DISCARD], [
ZFS_LINUX_TEST_SRC([blk_queue_discard], [
#include <linux/blkdev.h>
],[
struct request_queue *q __attribute__ ((unused)) = NULL;
int value __attribute__ ((unused));
value = blk_queue_discard(q);
])
])
AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_DISCARD], [
AC_MSG_CHECKING([whether blk_queue_discard() is available])
ZFS_LINUX_TEST_RESULT([blk_queue_discard], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_BLK_QUEUE_DISCARD, 1,
[blk_queue_discard() is available])
],[
AC_MSG_RESULT(no)
])
])
dnl #
dnl # 4.8 - 4.x API,
dnl # blk_queue_secure_erase()
dnl #
dnl # 2.6.36 - 4.7 API,
dnl # blk_queue_secdiscard()
dnl #
dnl # 2.6.x - 2.6.35 API,
dnl # Unsupported by kernel
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLK_QUEUE_SECURE_ERASE], [
ZFS_LINUX_TEST_SRC([blk_queue_secure_erase], [
#include <linux/blkdev.h>
],[
struct request_queue *q __attribute__ ((unused)) = NULL;
int value __attribute__ ((unused));
value = blk_queue_secure_erase(q);
])
ZFS_LINUX_TEST_SRC([blk_queue_secdiscard], [
#include <linux/blkdev.h>
],[
struct request_queue *q __attribute__ ((unused)) = NULL;
int value __attribute__ ((unused));
value = blk_queue_secdiscard(q);
])
])
AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_SECURE_ERASE], [
AC_MSG_CHECKING([whether blk_queue_secure_erase() is available])
ZFS_LINUX_TEST_RESULT([blk_queue_secure_erase], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_BLK_QUEUE_SECURE_ERASE, 1,
[blk_queue_secure_erase() is available])
],[
AC_MSG_RESULT(no)
AC_MSG_CHECKING([whether blk_queue_secdiscard() is available])
ZFS_LINUX_TEST_RESULT([blk_queue_secdiscard], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_BLK_QUEUE_SECDISCARD, 1,
[blk_queue_secdiscard() is available])
],[
AC_MSG_RESULT(no)
])
])
])