mirror_zfs/config/kernel-mknod.m4
Rob Norris a41d0b29a9 Linux 6.8 compat: make test functions static
The kernel is now being compiled with -Wmissing-prototypes. Most of our
test stub functions had no prototype, and failed to compile. Since they
don't need to be visible anywhere else, just make them all static.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Sponsored-by: https://despairlabs.com/sponsor/
Closes #15805
2024-01-29 11:36:07 -08:00

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AC_DEFUN([ZFS_AC_KERNEL_SRC_MKNOD], [
dnl #
dnl # 6.3 API change
dnl # The first arg is now struct mnt_idmap*
dnl #
ZFS_LINUX_TEST_SRC([mknod_mnt_idmap], [
#include <linux/fs.h>
#include <linux/sched.h>
static int tmp_mknod(struct mnt_idmap *idmap,
struct inode *inode ,struct dentry *dentry,
umode_t u, dev_t d) { return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.mknod = tmp_mknod,
};
],[])
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([mknod_userns], [
#include <linux/fs.h>
#include <linux/sched.h>
static int tmp_mknod(struct user_namespace *userns,
struct inode *inode ,struct dentry *dentry,
umode_t u, dev_t d) { return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.mknod = tmp_mknod,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_MKNOD], [
AC_MSG_CHECKING([whether iops->mknod() takes struct mnt_idmap*])
ZFS_LINUX_TEST_RESULT([mknod_mnt_idmap], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_IOPS_MKNOD_IDMAP, 1,
[iops->mknod() takes struct mnt_idmap*])
],[
AC_MSG_RESULT(no)
AC_MSG_CHECKING([whether iops->mknod() takes struct user_namespace*])
ZFS_LINUX_TEST_RESULT([mknod_userns], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_IOPS_MKNOD_USERNS, 1,
[iops->mknod() takes struct user_namespace*])
],[
AC_MSG_RESULT(no)
])
])
])