58 lines
1.4 KiB
Plaintext
58 lines
1.4 KiB
Plaintext
dnl #
|
|
dnl # 2.6.38 API change
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_CHECK_EVENTS], [
|
|
AC_MSG_CHECKING([whether bops->check_events() exists])
|
|
tmp_flags="$EXTRA_KCFLAGS"
|
|
EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}"
|
|
ZFS_LINUX_TRY_COMPILE([
|
|
#include <linux/blkdev.h>
|
|
|
|
unsigned int blk_check_events(struct gendisk *disk,
|
|
unsigned int clearing) { return (0); }
|
|
|
|
static const struct block_device_operations
|
|
bops __attribute__ ((unused)) = {
|
|
.check_events = blk_check_events,
|
|
};
|
|
],[
|
|
],[
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_BLOCK_DEVICE_OPERATIONS_CHECK_EVENTS, 1,
|
|
[bops->check_events() exists])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
EXTRA_KCFLAGS="$tmp_flags"
|
|
])
|
|
|
|
dnl #
|
|
dnl # 3.10.x API change
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID], [
|
|
AC_MSG_CHECKING([whether bops->release() is void])
|
|
tmp_flags="$EXTRA_KCFLAGS"
|
|
EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}"
|
|
ZFS_LINUX_TRY_COMPILE([
|
|
#include <linux/blkdev.h>
|
|
|
|
void blk_release(struct gendisk *g, fmode_t mode) { return; }
|
|
|
|
static const struct block_device_operations
|
|
bops __attribute__ ((unused)) = {
|
|
.open = NULL,
|
|
.release = blk_release,
|
|
.ioctl = NULL,
|
|
.compat_ioctl = NULL,
|
|
};
|
|
],[
|
|
],[
|
|
AC_MSG_RESULT(void)
|
|
AC_DEFINE(HAVE_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID, 1,
|
|
[bops->release() returns void])
|
|
],[
|
|
AC_MSG_RESULT(int)
|
|
])
|
|
EXTRA_KCFLAGS="$tmp_flags"
|
|
])
|