2015-09-07 19:03:19 +03:00
|
|
|
dnl #
|
2019-10-01 22:50:34 +03:00
|
|
|
dnl # Check for generic io accounting interface.
|
2015-09-07 19:03:19 +03:00
|
|
|
dnl #
|
2019-10-01 22:50:34 +03:00
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_GENERIC_IO_ACCT], [
|
2021-02-23 05:18:41 +03:00
|
|
|
ZFS_LINUX_TEST_SRC([disk_io_acct], [
|
|
|
|
#include <linux/blkdev.h>
|
|
|
|
], [
|
|
|
|
struct gendisk *disk = NULL;
|
|
|
|
struct bio *bio = NULL;
|
|
|
|
unsigned long start_time;
|
|
|
|
|
|
|
|
start_time = disk_start_io_acct(disk, bio_sectors(bio), bio_op(bio));
|
|
|
|
disk_end_io_acct(disk, bio_op(bio), start_time);
|
|
|
|
])
|
|
|
|
|
2020-12-22 23:17:13 +03:00
|
|
|
ZFS_LINUX_TEST_SRC([bio_io_acct], [
|
|
|
|
#include <linux/blkdev.h>
|
|
|
|
], [
|
|
|
|
struct bio *bio = NULL;
|
|
|
|
unsigned long start_time;
|
|
|
|
|
|
|
|
start_time = bio_start_io_acct(bio);
|
|
|
|
bio_end_io_acct(bio, start_time);
|
|
|
|
])
|
|
|
|
|
2019-10-01 22:50:34 +03:00
|
|
|
ZFS_LINUX_TEST_SRC([generic_acct_3args], [
|
2015-09-07 19:03:19 +03:00
|
|
|
#include <linux/bio.h>
|
|
|
|
|
|
|
|
void (*generic_start_io_acct_f)(int, unsigned long,
|
|
|
|
struct hd_struct *) = &generic_start_io_acct;
|
|
|
|
void (*generic_end_io_acct_f)(int, struct hd_struct *,
|
|
|
|
unsigned long) = &generic_end_io_acct;
|
|
|
|
], [
|
|
|
|
generic_start_io_acct(0, 0, NULL);
|
|
|
|
generic_end_io_acct(0, NULL, 0);
|
2017-09-16 21:00:19 +03:00
|
|
|
])
|
|
|
|
|
2019-10-01 22:50:34 +03:00
|
|
|
ZFS_LINUX_TEST_SRC([generic_acct_4args], [
|
2017-09-16 21:00:19 +03:00
|
|
|
#include <linux/bio.h>
|
|
|
|
|
|
|
|
void (*generic_start_io_acct_f)(struct request_queue *, int,
|
|
|
|
unsigned long, struct hd_struct *) = &generic_start_io_acct;
|
|
|
|
void (*generic_end_io_acct_f)(struct request_queue *, int,
|
|
|
|
struct hd_struct *, unsigned long) = &generic_end_io_acct;
|
|
|
|
], [
|
|
|
|
generic_start_io_acct(NULL, 0, 0, NULL);
|
|
|
|
generic_end_io_acct(NULL, 0, NULL, 0);
|
2019-10-01 22:50:34 +03:00
|
|
|
])
|
|
|
|
])
|
|
|
|
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_GENERIC_IO_ACCT], [
|
|
|
|
dnl #
|
2021-02-23 05:18:41 +03:00
|
|
|
dnl # 5.12 API,
|
2019-10-01 22:50:34 +03:00
|
|
|
dnl #
|
2021-02-23 05:18:41 +03:00
|
|
|
dnl # bio_start_io_acct() and bio_end_io_acct() became GPL-exported
|
|
|
|
dnl # so use disk_start_io_acct() and disk_end_io_acct() instead
|
2019-10-01 22:50:34 +03:00
|
|
|
dnl #
|
2021-02-23 05:18:41 +03:00
|
|
|
AC_MSG_CHECKING([whether generic disk_*_io_acct() are available])
|
|
|
|
ZFS_LINUX_TEST_RESULT([disk_io_acct], [
|
2017-09-16 21:00:19 +03:00
|
|
|
AC_MSG_RESULT(yes)
|
2021-02-23 05:18:41 +03:00
|
|
|
AC_DEFINE(HAVE_DISK_IO_ACCT, 1, [disk_*_io_acct() available])
|
2015-09-07 19:03:19 +03:00
|
|
|
], [
|
|
|
|
AC_MSG_RESULT(no)
|
2019-10-01 22:50:34 +03:00
|
|
|
|
|
|
|
dnl #
|
2021-02-23 05:18:41 +03:00
|
|
|
dnl # 5.7 API,
|
2019-10-01 22:50:34 +03:00
|
|
|
dnl #
|
2021-02-23 05:18:41 +03:00
|
|
|
dnl # Added bio_start_io_acct() and bio_end_io_acct() helpers.
|
2019-10-01 22:50:34 +03:00
|
|
|
dnl #
|
2021-02-23 05:18:41 +03:00
|
|
|
AC_MSG_CHECKING([whether generic bio_*_io_acct() are available])
|
|
|
|
ZFS_LINUX_TEST_RESULT([bio_io_acct], [
|
2019-10-01 22:50:34 +03:00
|
|
|
AC_MSG_RESULT(yes)
|
2021-02-23 05:18:41 +03:00
|
|
|
AC_DEFINE(HAVE_BIO_IO_ACCT, 1, [bio_*_io_acct() available])
|
2019-10-01 22:50:34 +03:00
|
|
|
], [
|
|
|
|
AC_MSG_RESULT(no)
|
2020-12-22 23:17:13 +03:00
|
|
|
|
|
|
|
dnl #
|
2021-02-23 05:18:41 +03:00
|
|
|
dnl # 4.14 API,
|
2020-12-22 23:17:13 +03:00
|
|
|
dnl #
|
2021-02-23 05:18:41 +03:00
|
|
|
dnl # generic_start_io_acct/generic_end_io_acct now require
|
|
|
|
dnl # request_queue to be provided. No functional changes,
|
|
|
|
dnl # but preparation for inflight accounting.
|
2020-12-22 23:17:13 +03:00
|
|
|
dnl #
|
2021-02-23 05:18:41 +03:00
|
|
|
AC_MSG_CHECKING([whether generic_*_io_acct wants 4 args])
|
|
|
|
ZFS_LINUX_TEST_RESULT_SYMBOL([generic_acct_4args],
|
2020-12-22 23:17:13 +03:00
|
|
|
[generic_start_io_acct], [block/bio.c], [
|
|
|
|
AC_MSG_RESULT(yes)
|
2021-02-23 05:18:41 +03:00
|
|
|
AC_DEFINE(HAVE_GENERIC_IO_ACCT_4ARG, 1,
|
|
|
|
[generic_*_io_acct() 4 arg available])
|
2020-12-22 23:17:13 +03:00
|
|
|
], [
|
|
|
|
AC_MSG_RESULT(no)
|
2021-02-23 05:18:41 +03:00
|
|
|
|
|
|
|
dnl #
|
|
|
|
dnl # 3.19 API addition
|
|
|
|
dnl #
|
|
|
|
dnl # torvalds/linux@394ffa50 allows us to increment
|
|
|
|
dnl # iostat counters without generic_make_request().
|
|
|
|
dnl #
|
|
|
|
AC_MSG_CHECKING(
|
|
|
|
[whether generic_*_io_acct wants 3 args])
|
|
|
|
ZFS_LINUX_TEST_RESULT_SYMBOL([generic_acct_3args],
|
|
|
|
[generic_start_io_acct], [block/bio.c], [
|
|
|
|
AC_MSG_RESULT(yes)
|
|
|
|
AC_DEFINE(HAVE_GENERIC_IO_ACCT_3ARG, 1,
|
|
|
|
[generic_*_io_acct() 3 arg available])
|
|
|
|
], [
|
|
|
|
AC_MSG_RESULT(no)
|
|
|
|
])
|
2020-12-22 23:17:13 +03:00
|
|
|
])
|
2019-10-01 22:50:34 +03:00
|
|
|
])
|
2015-09-07 19:03:19 +03:00
|
|
|
])
|
|
|
|
])
|