24 lines
625 B
Plaintext
24 lines
625 B
Plaintext
dnl #
|
|
dnl # 2.6.33 API change
|
|
dnl # Discard granularity and alignment restrictions may now be set.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_DISCARD_GRANULARITY], [
|
|
ZFS_LINUX_TEST_SRC([discard_granularity], [
|
|
#include <linux/blkdev.h>
|
|
],[
|
|
struct queue_limits ql __attribute__ ((unused));
|
|
ql.discard_granularity = 0;
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_DISCARD_GRANULARITY], [
|
|
AC_MSG_CHECKING([whether ql->discard_granularity is available])
|
|
ZFS_LINUX_TEST_RESULT([discard_granularity], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_DISCARD_GRANULARITY, 1,
|
|
[ql->discard_granularity is available])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|