26 lines
627 B
Plaintext
26 lines
627 B
Plaintext
|
dnl #
|
||
|
|
dnl # 2.6.36 API change
|
||
|
|
dnl # Verify the elevator_change() symbol is available.
|
||
|
|
dnl #
|
||
|
|
AC_DEFUN([ZFS_AC_KERNEL_ELEVATOR_CHANGE], [
|
||
|
|
AC_MSG_CHECKING([whether elevator_change() is available])
|
||
|
|
tmp_flags="$EXTRA_KCFLAGS"
|
||
|
|
EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
|
||
|
|
ZFS_LINUX_TRY_COMPILE([
|
||
|
|
#include <linux/blkdev.h>
|
||
|
|
#include <linux/elevator.h>
|
||
|
|
],[
|
||
|
|
int ret;
|
||
|
|
struct request_queue *q = NULL;
|
||
|
|
char *elevator = NULL;
|
||
|
|
ret = elevator_change(q, elevator);
|
||
|
|
],[
|
||
|
|
AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE(HAVE_ELEVATOR_CHANGE, 1,
|
||
|
|
[elevator_change() is available])
|
||
|
|
],[
|
||
|
|
AC_MSG_RESULT(no)
|
||
|
|
])
|
||
|
|
EXTRA_KCFLAGS="$tmp_flags"
|
||
|
|
])
|