mirror_zfs/config/kernel-inode-setattr.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_INODE_SETATTR], [
dnl #
dnl # Linux 6.3 API
dnl # The first arg of setattr I/O operations handler type
dnl # is changed to struct mnt_idmap*
dnl #
ZFS_LINUX_TEST_SRC([inode_operations_setattr_mnt_idmap], [
#include <linux/fs.h>
static int test_setattr(
struct mnt_idmap *idmap,
struct dentry *de, struct iattr *ia)
{ return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.setattr = test_setattr,
};
],[])
dnl #
dnl # Linux 5.12 API
dnl # The setattr I/O operations handler type was extended to require
dnl # a struct user_namespace* as its first arg, to support idmapped
dnl # mounts.
dnl #
ZFS_LINUX_TEST_SRC([inode_operations_setattr_userns], [
#include <linux/fs.h>
static int test_setattr(
struct user_namespace *userns,
struct dentry *de, struct iattr *ia)
{ return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.setattr = test_setattr,
};
],[])
ZFS_LINUX_TEST_SRC([inode_operations_setattr], [
#include <linux/fs.h>
static int test_setattr(
struct dentry *de, struct iattr *ia)
{ return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.setattr = test_setattr,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_INODE_SETATTR], [
dnl #
dnl # Kernel 6.3 test
dnl #
AC_MSG_CHECKING([whether iops->setattr() takes mnt_idmap])
ZFS_LINUX_TEST_RESULT([inode_operations_setattr_mnt_idmap], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_IDMAP_IOPS_SETATTR, 1,
[iops->setattr() takes struct mnt_idmap*])
],[
AC_MSG_RESULT(no)
dnl #
dnl # Kernel 5.12 test
dnl #
AC_MSG_CHECKING([whether iops->setattr() takes user_namespace])
ZFS_LINUX_TEST_RESULT([inode_operations_setattr_userns], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_USERNS_IOPS_SETATTR, 1,
[iops->setattr() takes struct user_namespace*])
],[
AC_MSG_RESULT(no)
AC_MSG_CHECKING([whether iops->setattr() exists])
ZFS_LINUX_TEST_RESULT([inode_operations_setattr], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_IOPS_SETATTR, 1,
[iops->setattr() exists])
],[
AC_MSG_RESULT(no)
])
])
])
])