mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-11-17 10:01:01 +03:00
72ba4b2a4c
The bd_contains member was removed from the block_device structure. Callers needing to determine if a vdev is a whole block device should use the new bdev_whole() wrapper. For older kernels we provide our own bdev_whole() wrapper which relies on bd_contains for compatibility. Reviewed-by: Rafael Kitover <rkitover@gmail.com> Reviewed-by: Coleman Kane <ckane@colemankane.org> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #11387 Closes #11390
322 lines
8.1 KiB
Plaintext
322 lines
8.1 KiB
Plaintext
dnl #
|
|
dnl # 2.6.38 API change,
|
|
dnl # Added blkdev_get_by_path()
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_GET_BY_PATH], [
|
|
ZFS_LINUX_TEST_SRC([blkdev_get_by_path], [
|
|
#include <linux/fs.h>
|
|
#include <linux/blkdev.h>
|
|
], [
|
|
struct block_device *bdev __attribute__ ((unused)) = NULL;
|
|
const char *path = "path";
|
|
fmode_t mode = 0;
|
|
void *holder = NULL;
|
|
|
|
bdev = blkdev_get_by_path(path, mode, holder);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH], [
|
|
AC_MSG_CHECKING([whether blkdev_get_by_path() exists])
|
|
ZFS_LINUX_TEST_RESULT([blkdev_get_by_path], [
|
|
AC_MSG_RESULT(yes)
|
|
], [
|
|
ZFS_LINUX_TEST_ERROR([blkdev_get_by_path()])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 2.6.38 API change,
|
|
dnl # Added blkdev_put()
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_PUT], [
|
|
ZFS_LINUX_TEST_SRC([blkdev_put], [
|
|
#include <linux/fs.h>
|
|
#include <linux/blkdev.h>
|
|
], [
|
|
struct block_device *bdev = NULL;
|
|
fmode_t mode = 0;
|
|
|
|
blkdev_put(bdev, mode);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_PUT], [
|
|
AC_MSG_CHECKING([whether blkdev_put() exists])
|
|
ZFS_LINUX_TEST_RESULT([blkdev_put], [
|
|
AC_MSG_RESULT(yes)
|
|
], [
|
|
ZFS_LINUX_TEST_ERROR([blkdev_put()])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 4.1 API, exported blkdev_reread_part() symbol, back ported to the
|
|
dnl # 3.10.0 CentOS 7.x enterprise kernels.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_REREAD_PART], [
|
|
ZFS_LINUX_TEST_SRC([blkdev_reread_part], [
|
|
#include <linux/fs.h>
|
|
#include <linux/blkdev.h>
|
|
], [
|
|
struct block_device *bdev = NULL;
|
|
int error;
|
|
|
|
error = blkdev_reread_part(bdev);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_REREAD_PART], [
|
|
AC_MSG_CHECKING([whether blkdev_reread_part() exists])
|
|
ZFS_LINUX_TEST_RESULT([blkdev_reread_part], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_BLKDEV_REREAD_PART, 1,
|
|
[blkdev_reread_part() exists])
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # check_disk_change() was removed in 5.10
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_CHECK_DISK_CHANGE], [
|
|
ZFS_LINUX_TEST_SRC([check_disk_change], [
|
|
#include <linux/fs.h>
|
|
#include <linux/blkdev.h>
|
|
], [
|
|
struct block_device *bdev = NULL;
|
|
bool error;
|
|
|
|
error = check_disk_change(bdev);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_CHECK_DISK_CHANGE], [
|
|
AC_MSG_CHECKING([whether check_disk_change() exists])
|
|
ZFS_LINUX_TEST_RESULT([check_disk_change], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_CHECK_DISK_CHANGE, 1,
|
|
[check_disk_change() exists])
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 5.10 API, check_disk_change() is removed, in favor of
|
|
dnl # bdev_check_media_change(), which doesn't force revalidation
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_CHECK_MEDIA_CHANGE], [
|
|
ZFS_LINUX_TEST_SRC([bdev_check_media_change], [
|
|
#include <linux/fs.h>
|
|
#include <linux/blkdev.h>
|
|
], [
|
|
struct block_device *bdev = NULL;
|
|
int error;
|
|
|
|
error = bdev_check_media_change(bdev);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_BDEV_CHECK_MEDIA_CHANGE], [
|
|
AC_MSG_CHECKING([whether bdev_disk_changed() exists])
|
|
ZFS_LINUX_TEST_RESULT([bdev_check_media_change], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_BDEV_CHECK_MEDIA_CHANGE, 1,
|
|
[bdev_check_media_change() exists])
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 2.6.22 API change
|
|
dnl # Single argument invalidate_bdev()
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_INVALIDATE_BDEV], [
|
|
ZFS_LINUX_TEST_SRC([invalidate_bdev], [
|
|
#include <linux/buffer_head.h>
|
|
#include <linux/blkdev.h>
|
|
],[
|
|
struct block_device *bdev = NULL;
|
|
invalidate_bdev(bdev);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_INVALIDATE_BDEV], [
|
|
AC_MSG_CHECKING([whether invalidate_bdev() exists])
|
|
ZFS_LINUX_TEST_RESULT([invalidate_bdev], [
|
|
AC_MSG_RESULT(yes)
|
|
],[
|
|
ZFS_LINUX_TEST_ERROR([invalidate_bdev()])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 5.11 API, lookup_bdev() takes dev_t argument.
|
|
dnl # 2.6.27 API, lookup_bdev() was first exported.
|
|
dnl # 4.4.0-6.21 API, lookup_bdev() on Ubuntu takes mode argument.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_LOOKUP_BDEV], [
|
|
ZFS_LINUX_TEST_SRC([lookup_bdev_devt], [
|
|
#include <linux/blkdev.h>
|
|
], [
|
|
int error __attribute__ ((unused));
|
|
const char path[] = "/example/path";
|
|
dev_t dev;
|
|
|
|
error = lookup_bdev(path, &dev);
|
|
])
|
|
|
|
ZFS_LINUX_TEST_SRC([lookup_bdev_1arg], [
|
|
#include <linux/fs.h>
|
|
#include <linux/blkdev.h>
|
|
], [
|
|
struct block_device *bdev __attribute__ ((unused));
|
|
const char path[] = "/example/path";
|
|
|
|
bdev = lookup_bdev(path);
|
|
])
|
|
|
|
ZFS_LINUX_TEST_SRC([lookup_bdev_mode], [
|
|
#include <linux/fs.h>
|
|
], [
|
|
struct block_device *bdev __attribute__ ((unused));
|
|
const char path[] = "/example/path";
|
|
|
|
bdev = lookup_bdev(path, FMODE_READ);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_LOOKUP_BDEV], [
|
|
AC_MSG_CHECKING([whether lookup_bdev() wants dev_t arg])
|
|
ZFS_LINUX_TEST_RESULT_SYMBOL([lookup_bdev_devt],
|
|
[lookup_bdev], [fs/block_dev.c], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_DEVT_LOOKUP_BDEV, 1,
|
|
[lookup_bdev() wants dev_t arg])
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
|
|
AC_MSG_CHECKING([whether lookup_bdev() wants 1 arg])
|
|
ZFS_LINUX_TEST_RESULT_SYMBOL([lookup_bdev_1arg],
|
|
[lookup_bdev], [fs/block_dev.c], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_1ARG_LOOKUP_BDEV, 1,
|
|
[lookup_bdev() wants 1 arg])
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
|
|
AC_MSG_CHECKING([whether lookup_bdev() wants mode arg])
|
|
ZFS_LINUX_TEST_RESULT_SYMBOL([lookup_bdev_mode],
|
|
[lookup_bdev], [fs/block_dev.c], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_MODE_LOOKUP_BDEV, 1,
|
|
[lookup_bdev() wants mode arg])
|
|
], [
|
|
ZFS_LINUX_TEST_ERROR([lookup_bdev()])
|
|
])
|
|
])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 2.6.30 API change
|
|
dnl #
|
|
dnl # The bdev_physical_block_size() interface was added to provide a way
|
|
dnl # to determine the smallest write which can be performed without a
|
|
dnl # read-modify-write operation.
|
|
dnl #
|
|
dnl # Unfortunately, this interface isn't entirely reliable because
|
|
dnl # drives are sometimes known to misreport this value.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_PHYSICAL_BLOCK_SIZE], [
|
|
ZFS_LINUX_TEST_SRC([bdev_physical_block_size], [
|
|
#include <linux/blkdev.h>
|
|
],[
|
|
struct block_device *bdev __attribute__ ((unused)) = NULL;
|
|
bdev_physical_block_size(bdev);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_BDEV_PHYSICAL_BLOCK_SIZE], [
|
|
AC_MSG_CHECKING([whether bdev_physical_block_size() is available])
|
|
ZFS_LINUX_TEST_RESULT([bdev_physical_block_size], [
|
|
AC_MSG_RESULT(yes)
|
|
],[
|
|
ZFS_LINUX_TEST_ERROR([bdev_physical_block_size()])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 2.6.30 API change
|
|
dnl # Added bdev_logical_block_size().
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_LOGICAL_BLOCK_SIZE], [
|
|
ZFS_LINUX_TEST_SRC([bdev_logical_block_size], [
|
|
#include <linux/blkdev.h>
|
|
],[
|
|
struct block_device *bdev __attribute__ ((unused)) = NULL;
|
|
bdev_logical_block_size(bdev);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_BDEV_LOGICAL_BLOCK_SIZE], [
|
|
AC_MSG_CHECKING([whether bdev_logical_block_size() is available])
|
|
ZFS_LINUX_TEST_RESULT([bdev_logical_block_size], [
|
|
AC_MSG_RESULT(yes)
|
|
],[
|
|
ZFS_LINUX_TEST_ERROR([bdev_logical_block_size()])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 5.11 API change
|
|
dnl # Added bdev_whole() helper.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_WHOLE], [
|
|
ZFS_LINUX_TEST_SRC([bdev_whole], [
|
|
#include <linux/blkdev.h>
|
|
],[
|
|
struct block_device *bdev = NULL;
|
|
bdev = bdev_whole(bdev);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_BDEV_WHOLE], [
|
|
AC_MSG_CHECKING([whether bdev_whole() is available])
|
|
ZFS_LINUX_TEST_RESULT([bdev_whole], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_BDEV_WHOLE, 1, [bdev_whole() is available])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV], [
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_GET_BY_PATH
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_PUT
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_REREAD_PART
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_INVALIDATE_BDEV
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_LOOKUP_BDEV
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_LOGICAL_BLOCK_SIZE
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_PHYSICAL_BLOCK_SIZE
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_CHECK_DISK_CHANGE
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_CHECK_MEDIA_CHANGE
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_WHOLE
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV], [
|
|
ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH
|
|
ZFS_AC_KERNEL_BLKDEV_PUT
|
|
ZFS_AC_KERNEL_BLKDEV_REREAD_PART
|
|
ZFS_AC_KERNEL_BLKDEV_INVALIDATE_BDEV
|
|
ZFS_AC_KERNEL_BLKDEV_LOOKUP_BDEV
|
|
ZFS_AC_KERNEL_BLKDEV_BDEV_LOGICAL_BLOCK_SIZE
|
|
ZFS_AC_KERNEL_BLKDEV_BDEV_PHYSICAL_BLOCK_SIZE
|
|
ZFS_AC_KERNEL_BLKDEV_CHECK_DISK_CHANGE
|
|
ZFS_AC_KERNEL_BLKDEV_BDEV_CHECK_MEDIA_CHANGE
|
|
ZFS_AC_KERNEL_BLKDEV_BDEV_WHOLE
|
|
])
|