mirror_zfs/config/kernel-inode-getattr.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_GETATTR], [
dnl #
dnl # Linux 6.3 API
dnl # The first arg of getattr I/O operations handler type
dnl # is changed to struct mnt_idmap*
dnl #
ZFS_LINUX_TEST_SRC([inode_operations_getattr_mnt_idmap], [
#include <linux/fs.h>
static int test_getattr(
struct mnt_idmap *idmap,
const struct path *p, struct kstat *k,
u32 request_mask, unsigned int query_flags)
{ return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.getattr = test_getattr,
};
],[])
dnl #
dnl # Linux 5.12 API
dnl # The getattr 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_getattr_userns], [
#include <linux/fs.h>
static int test_getattr(
struct user_namespace *userns,
const struct path *p, struct kstat *k,
u32 request_mask, unsigned int query_flags)
{ return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.getattr = test_getattr,
};
],[])
dnl #
dnl # Linux 4.11 API
dnl # See torvalds/linux@a528d35
dnl #
ZFS_LINUX_TEST_SRC([inode_operations_getattr_path], [
#include <linux/fs.h>
static int test_getattr(
const struct path *p, struct kstat *k,
u32 request_mask, unsigned int query_flags)
{ return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.getattr = test_getattr,
};
],[])
ZFS_LINUX_TEST_SRC([inode_operations_getattr_vfsmount], [
#include <linux/fs.h>
static int test_getattr(
struct vfsmount *mnt, struct dentry *d,
struct kstat *k)
{ return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.getattr = test_getattr,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_INODE_GETATTR], [
dnl #
dnl # Kernel 6.3 test
dnl #
AC_MSG_CHECKING([whether iops->getattr() takes mnt_idmap])
ZFS_LINUX_TEST_RESULT([inode_operations_getattr_mnt_idmap], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_IDMAP_IOPS_GETATTR, 1,
[iops->getattr() takes struct mnt_idmap*])
],[
AC_MSG_RESULT(no)
dnl #
dnl # Kernel 5.12 test
dnl #
AC_MSG_CHECKING([whether iops->getattr() takes user_namespace])
ZFS_LINUX_TEST_RESULT([inode_operations_getattr_userns], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_USERNS_IOPS_GETATTR, 1,
[iops->getattr() takes struct user_namespace*])
],[
AC_MSG_RESULT(no)
dnl #
dnl # Kernel 4.11 test
dnl #
AC_MSG_CHECKING([whether iops->getattr() takes a path])
ZFS_LINUX_TEST_RESULT([inode_operations_getattr_path], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_PATH_IOPS_GETATTR, 1,
[iops->getattr() takes a path])
],[
AC_MSG_RESULT(no)
dnl #
dnl # Kernel < 4.11 test
dnl #
AC_MSG_CHECKING([whether iops->getattr() takes a vfsmount])
ZFS_LINUX_TEST_RESULT([inode_operations_getattr_vfsmount], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_VFSMOUNT_IOPS_GETATTR, 1,
[iops->getattr() takes a vfsmount])
],[
AC_MSG_RESULT(no)
])
])
])
])
])