1AC_DEFUN([ZFS_AC_KERNEL_SRC_SETATTR_PREPARE], [
2	dnl #
3	dnl # 4.9 API change
4	dnl # The inode_change_ok() function has been renamed setattr_prepare()
5	dnl # and updated to take a dentry rather than an inode.
6	dnl #
7	ZFS_LINUX_TEST_SRC([setattr_prepare], [
8		#include <linux/fs.h>
9	], [
10		struct dentry *dentry = NULL;
11		struct iattr *attr = NULL;
12		int error __attribute__ ((unused)) =
13			setattr_prepare(dentry, attr);
14	])
15
16	dnl #
17	dnl # 5.12 API change
18	dnl # The setattr_prepare() function has been changed to accept a new argument
19	dnl # for struct user_namespace*
20	dnl #
21	ZFS_LINUX_TEST_SRC([setattr_prepare_userns], [
22		#include <linux/fs.h>
23	], [
24		struct dentry *dentry = NULL;
25		struct iattr *attr = NULL;
26		struct user_namespace *userns = NULL;
27		int error __attribute__ ((unused)) =
28			setattr_prepare(userns, dentry, attr);
29	])
30
31	dnl #
32	dnl # 6.3 API change
33	dnl # The first arg of setattr_prepare() is changed to struct mnt_idmap*
34	dnl #
35	ZFS_LINUX_TEST_SRC([setattr_prepare_mnt_idmap], [
36		#include <linux/fs.h>
37	], [
38		struct dentry *dentry = NULL;
39		struct iattr *attr = NULL;
40		struct mnt_idmap *idmap = NULL;
41		int error __attribute__ ((unused)) =
42			setattr_prepare(idmap, dentry, attr);
43	])
44])
45
46AC_DEFUN([ZFS_AC_KERNEL_SETATTR_PREPARE], [
47	AC_MSG_CHECKING([whether setattr_prepare() is available and accepts struct mnt_idmap*])
48	ZFS_LINUX_TEST_RESULT_SYMBOL([setattr_prepare_mnt_idmap],
49	    [setattr_prepare], [fs/attr.c], [
50		AC_MSG_RESULT(yes)
51		AC_DEFINE(HAVE_SETATTR_PREPARE_IDMAP, 1,
52		    [setattr_prepare() accepts mnt_idmap])
53	], [
54		AC_MSG_CHECKING([whether setattr_prepare() is available and accepts struct user_namespace*])
55		ZFS_LINUX_TEST_RESULT_SYMBOL([setattr_prepare_userns],
56		    [setattr_prepare], [fs/attr.c], [
57			AC_MSG_RESULT(yes)
58			AC_DEFINE(HAVE_SETATTR_PREPARE_USERNS, 1,
59			    [setattr_prepare() accepts user_namespace])
60		], [
61			AC_MSG_RESULT(no)
62
63			AC_MSG_CHECKING([whether setattr_prepare() is available, doesn't accept user_namespace])
64			ZFS_LINUX_TEST_RESULT_SYMBOL([setattr_prepare],
65				[setattr_prepare], [fs/attr.c], [
66				AC_MSG_RESULT(yes)
67				AC_DEFINE(HAVE_SETATTR_PREPARE_NO_USERNS, 1,
68					[setattr_prepare() is available, doesn't accept user_namespace])
69			], [
70				AC_MSG_RESULT(no)
71			])
72		])
73	])
74])
75