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 ])