21 lines
556 B
Text
21 lines
556 B
Text
|
dnl #
|
||
|
|
dnl # 4.16 kernel: check if struct posix_acl acl.a_refcount is a refcount_t.
|
||
|
|
dnl # It's an atomic_t on older kernels.
|
||
|
|
dnl #
|
||
|
|
AC_DEFUN([ZFS_AC_KERNEL_ACL_HAS_REFCOUNT], [
|
||
|
|
AC_MSG_CHECKING([whether posix_acl has refcount_t])
|
||
|
|
ZFS_LINUX_TRY_COMPILE([
|
||
|
|
#include <linux/backing-dev.h>
|
||
|
|
#include <linux/refcount.h>
|
||
|
|
#include <linux/posix_acl.h>
|
||
|
|
],[
|
||
|
|
struct posix_acl acl;
|
||
|
|
refcount_t *r __attribute__ ((unused)) = &acl.a_refcount;
|
||
|
|
],[
|
||
|
|
AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE(HAVE_ACL_REFCOUNT, 1, [posix_acl has refcount_t])
|
||
|
|
],[
|
||
|
|
AC_MSG_RESULT(no)
|
||
|
|
])
|
||
|
|
])
|