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[FreeBSD/FreeBSD.git] / config / kernel-inode-permission.m4
1 AC_DEFUN([ZFS_AC_KERNEL_SRC_PERMISSION], [
2         dnl #
3         dnl # 5.12 API change that added the struct user_namespace* arg
4         dnl # to the front of this function type's arg list.
5         dnl #
6         ZFS_LINUX_TEST_SRC([permission_userns], [
7                 #include <linux/fs.h>
8                 #include <linux/sched.h>
9
10                 int inode_permission(struct user_namespace *userns,
11                     struct inode *inode, int mask) { return 0; }
12
13                 static const struct inode_operations
14                         iops __attribute__ ((unused)) = {
15                         .permission             = inode_permission,
16                 };
17         ],[])
18 ])
19
20 AC_DEFUN([ZFS_AC_KERNEL_PERMISSION], [
21         AC_MSG_CHECKING([whether iops->permission() takes struct user_namespace*])
22         ZFS_LINUX_TEST_RESULT([permission_userns], [
23                 AC_MSG_RESULT(yes)
24                 AC_DEFINE(HAVE_IOPS_PERMISSION_USERNS, 1,
25                    [iops->permission() takes struct user_namespace*])
26         ],[
27                 AC_MSG_RESULT(no)
28         ])
29 ])