mirror_zfs/config/kernel-put-link.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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dnl #
dnl # Supported symlink APIs
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_PUT_LINK], [
ZFS_LINUX_TEST_SRC([put_link_cookie], [
#include <linux/fs.h>
static void put_link(struct inode *ip, void *cookie)
{ return; }
static struct inode_operations
iops __attribute__ ((unused)) = {
.put_link = put_link,
};
],[])
ZFS_LINUX_TEST_SRC([put_link_nameidata], [
#include <linux/fs.h>
static void put_link(struct dentry *de, struct
nameidata *nd, void *ptr) { return; }
static struct inode_operations
iops __attribute__ ((unused)) = {
.put_link = put_link,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_PUT_LINK], [
dnl #
dnl # 4.5 API change
dnl # get_link() uses delayed done, there is no put_link() interface.
dnl # This check initially uses the inode_operations_get_link result
dnl #
ZFS_LINUX_TEST_RESULT([inode_operations_get_link], [
AC_DEFINE(HAVE_PUT_LINK_DELAYED, 1, [iops->put_link() delayed])
],[
dnl #
dnl # 4.2 API change
dnl # This kernel retired the nameidata structure.
dnl #
AC_MSG_CHECKING([whether iops->put_link() passes cookie])
ZFS_LINUX_TEST_RESULT([put_link_cookie], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_PUT_LINK_COOKIE, 1,
[iops->put_link() cookie])
],[
AC_MSG_RESULT(no)
dnl #
dnl # 2.6.32 API
dnl #
AC_MSG_CHECKING(
[whether iops->put_link() passes nameidata])
ZFS_LINUX_TEST_RESULT([put_link_nameidata], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_PUT_LINK_NAMEIDATA, 1,
[iops->put_link() nameidata])
],[
ZFS_LINUX_TEST_ERROR([put_link])
])
])
])
])