27 lines
841 B
Text
27 lines
841 B
Text
|
dnl #
|
||
|
|
dnl # 2.6.30 API change
|
||
|
|
dnl # bdev_hardsect_size() replaced with bdev_logical_block_size(). While
|
||
|
|
dnl # it has been true for a while that there was no strict 1:1 mapping
|
||
|
|
dnl # between physical sector size and logical block size this change makes
|
||
|
|
dnl # it explicit.
|
||
|
|
dnl #
|
||
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BDEV_LOGICAL_BLOCK_SIZE], [
|
||
|
|
ZFS_LINUX_TEST_SRC([bdev_logical_block_size], [
|
||
|
|
#include <linux/blkdev.h>
|
||
|
|
],[
|
||
|
|
struct block_device *bdev = NULL;
|
||
|
|
bdev_logical_block_size(bdev);
|
||
|
|
], [$NO_UNUSED_BUT_SET_VARIABLE])
|
||
|
|
])
|
||
|
|
|
||
|
|
AC_DEFUN([ZFS_AC_KERNEL_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)
|
||
|
|
AC_DEFINE(HAVE_BDEV_LOGICAL_BLOCK_SIZE, 1,
|
||
|
|
[bdev_logical_block_size() is available])
|
||
|
|
],[
|
||
|
|
AC_MSG_RESULT(no)
|
||
|
|
])
|
||
|
|
])
|