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Support idmapped mount
[FreeBSD/FreeBSD.git] / config / kernel-mknod.m4
1 AC_DEFUN([ZFS_AC_KERNEL_SRC_MKNOD], [
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([mknod_userns], [
7                 #include <linux/fs.h>
8                 #include <linux/sched.h>
9
10                 int tmp_mknod(struct user_namespace *userns,
11                     struct inode *inode ,struct dentry *dentry,
12                     umode_t u, dev_t d) { return 0; }
13
14                 static const struct inode_operations
15                         iops __attribute__ ((unused)) = {
16                         .mknod          = tmp_mknod,
17                 };
18         ],[])
19 ])
20
21 AC_DEFUN([ZFS_AC_KERNEL_MKNOD], [
22         AC_MSG_CHECKING([whether iops->mknod() takes struct user_namespace*])
23         ZFS_LINUX_TEST_RESULT([mknod_userns], [
24                 AC_MSG_RESULT(yes)
25                 AC_DEFINE(HAVE_IOPS_MKNOD_USERNS, 1,
26                     [iops->mknod() takes struct user_namespace*])
27         ],[
28                 AC_MSG_RESULT(no)
29         ])
30 ])