mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-12-26 03:09:34 +03:00
e6ca28c970
struct mnt_idmap no longer has a struct user_namespace within it. Work around this by creating a temporary with the copy of the map we need taken from the idmap. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Co-authored-by: Youzhong Yang <yyang@mathworks.com> Signed-off-by: Rob Norris <robn@despairlabs.com> Sponsored-by: https://despairlabs.com/sponsor/ Closes #15805
51 lines
1.3 KiB
Plaintext
51 lines
1.3 KiB
Plaintext
dnl #
|
|
dnl # 5.12 API
|
|
dnl #
|
|
dnl # Check if APIs for idmapped mount are available
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_IDMAP_MNT_API], [
|
|
ZFS_LINUX_TEST_SRC([idmap_mnt_api], [
|
|
#include <linux/fs.h>
|
|
],[
|
|
int fs_flags = 0;
|
|
fs_flags |= FS_ALLOW_IDMAP;
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_IDMAP_MNT_API], [
|
|
AC_MSG_CHECKING([whether APIs for idmapped mount are present])
|
|
ZFS_LINUX_TEST_RESULT([idmap_mnt_api], [
|
|
AC_MSG_RESULT([yes])
|
|
AC_DEFINE(HAVE_IDMAP_MNT_API, 1,
|
|
[APIs for idmapped mount are present])
|
|
],[
|
|
AC_MSG_RESULT([no])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 6.8 decouples mnt_idmap from user_namespace. This is all internal
|
|
dnl # to mnt_idmap so we can't detect it directly, but we detect a related
|
|
dnl # change as use that as a signal.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_IDMAP_NO_USERNS], [
|
|
ZFS_LINUX_TEST_SRC([idmap_no_userns], [
|
|
#include <linux/uidgid.h>
|
|
], [
|
|
struct uid_gid_map *map = NULL;
|
|
map_id_down(map, 0);
|
|
])
|
|
])
|
|
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_IDMAP_NO_USERNS], [
|
|
AC_MSG_CHECKING([whether idmapped mounts have a user namespace])
|
|
ZFS_LINUX_TEST_RESULT([idmap_no_userns], [
|
|
AC_MSG_RESULT([yes])
|
|
AC_DEFINE(HAVE_IDMAP_NO_USERNS, 1,
|
|
[mnt_idmap does not have user_namespace])
|
|
], [
|
|
AC_MSG_RESULT([no])
|
|
])
|
|
])
|