zfs/config/kernel-symlink.m4

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AC_DEFUN([ZFS_AC_KERNEL_SRC_SYMLINK], [
dnl #
dnl # 6.3 API change that changed the first arg
dnl # to struct mnt_idmap*
dnl #
ZFS_LINUX_TEST_SRC([symlink_mnt_idmap], [
#include <linux/fs.h>
#include <linux/sched.h>
int tmp_symlink(struct mnt_idmap *idmap,
struct inode *inode ,struct dentry *dentry,
const char *path) { return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.symlink = tmp_symlink,
};
],[])
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([symlink_userns], [
#include <linux/fs.h>
#include <linux/sched.h>
int tmp_symlink(struct user_namespace *userns,
struct inode *inode ,struct dentry *dentry,
const char *path) { return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.symlink = tmp_symlink,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_SYMLINK], [
AC_MSG_CHECKING([whether iops->symlink() takes struct mnt_idmap*])
ZFS_LINUX_TEST_RESULT([symlink_mnt_idmap], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_IOPS_SYMLINK_IDMAP, 1,
[iops->symlink() takes struct mnt_idmap*])
],[
AC_MSG_CHECKING([whether iops->symlink() takes struct user_namespace*])
ZFS_LINUX_TEST_RESULT([symlink_userns], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_IOPS_SYMLINK_USERNS, 1,
[iops->symlink() takes struct user_namespace*])
],[
AC_MSG_RESULT(no)
])
])
])