aboutsummaryrefslogtreecommitdiffstats
path: root/config/kernel-inode-permission.m4
blob: f7fc16439093fac9d48f3c84625717cd8603b5af (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
AC_DEFUN([ZFS_AC_KERNEL_SRC_PERMISSION], [
	dnl #
	dnl # 6.3 API change
	dnl # iops->permission() now takes struct mnt_idmap*
	dnl # as its first arg
	dnl #
	ZFS_LINUX_TEST_SRC([permission_mnt_idmap], [
		#include <linux/fs.h>
		#include <linux/sched.h>

		static int test_permission(struct mnt_idmap *idmap,
		    struct inode *inode, int mask) { return 0; }

		static const struct inode_operations
			iops __attribute__ ((unused)) = {
			.permission             = test_permission,
		};
	],[])

	dnl #
	dnl # 5.12 API change that added the struct user_namespace* arg
	dnl # to the front of this function type's arg list.
	dnl #
	ZFS_LINUX_TEST_SRC([permission_userns], [
		#include <linux/fs.h>
		#include <linux/sched.h>

		static int test_permission(struct user_namespace *userns,
		    struct inode *inode, int mask) { return 0; }

		static const struct inode_operations
			iops __attribute__ ((unused)) = {
			.permission		= test_permission,
		};
	],[])
])

AC_DEFUN([ZFS_AC_KERNEL_PERMISSION], [
	AC_MSG_CHECKING([whether iops->permission() takes struct mnt_idmap*])
	ZFS_LINUX_TEST_RESULT([permission_mnt_idmap], [
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_IOPS_PERMISSION_IDMAP, 1,
		   [iops->permission() takes struct mnt_idmap*])
	],[
		AC_MSG_CHECKING([whether iops->permission() takes struct user_namespace*])
		ZFS_LINUX_TEST_RESULT([permission_userns], [
			AC_MSG_RESULT(yes)
			AC_DEFINE(HAVE_IOPS_PERMISSION_USERNS, 1,
			   [iops->permission() takes struct user_namespace*])
		],[
			AC_MSG_RESULT(no)
		])
	])
])