mirror_zfs/config/kernel-automount.m4
Rob Norris 64afc4e66e 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 14:53:29 -08:00

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dnl #
dnl # 2.6.37 API change
dnl # The dops->d_automount() dentry operation was added as a clean
dnl # solution to handling automounts. Prior to this cifs/nfs clients
dnl # which required automount support would abuse the follow_link()
dnl # operation on directories for this purpose.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_AUTOMOUNT], [
ZFS_LINUX_TEST_SRC([dentry_operations_d_automount], [
#include <linux/dcache.h>
static struct vfsmount *d_automount(struct path *p) { return NULL; }
struct dentry_operations dops __attribute__ ((unused)) = {
.d_automount = d_automount,
};
])
])
AC_DEFUN([ZFS_AC_KERNEL_AUTOMOUNT], [
AC_MSG_CHECKING([whether dops->d_automount() exists])
ZFS_LINUX_TEST_RESULT([dentry_operations_d_automount], [
AC_MSG_RESULT(yes)
],[
ZFS_LINUX_TEST_ERROR([dops->d_automount()])
])
])