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Commit | Line | Data |
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2a068a13 YY |
1 | dnl # |
2 | dnl # 5.12 API | |
3 | dnl # | |
4 | dnl # Check if APIs for idmapped mount are available | |
5 | dnl # | |
6 | AC_DEFUN([ZFS_AC_KERNEL_SRC_IDMAP_MNT_API], [ | |
7 | ZFS_LINUX_TEST_SRC([idmap_mnt_api], [ | |
8 | #include <linux/fs.h> | |
9 | ],[ | |
10 | int fs_flags = 0; | |
11 | fs_flags |= FS_ALLOW_IDMAP; | |
12 | ]) | |
13 | ]) | |
14 | ||
15 | AC_DEFUN([ZFS_AC_KERNEL_IDMAP_MNT_API], [ | |
16 | AC_MSG_CHECKING([whether APIs for idmapped mount are present]) | |
17 | ZFS_LINUX_TEST_RESULT([idmap_mnt_api], [ | |
18 | AC_MSG_RESULT([yes]) | |
19 | AC_DEFINE(HAVE_IDMAP_MNT_API, 1, | |
20 | [APIs for idmapped mount are present]) | |
21 | ],[ | |
22 | AC_MSG_RESULT([no]) | |
23 | ]) | |
24 | ]) | |
25 | ||
2e6b3c4d RN |
26 | dnl # |
27 | dnl # 6.8 decouples mnt_idmap from user_namespace. This is all internal | |
28 | dnl # to mnt_idmap so we can't detect it directly, but we detect a related | |
29 | dnl # change as use that as a signal. | |
30 | dnl # | |
31 | AC_DEFUN([ZFS_AC_KERNEL_SRC_IDMAP_NO_USERNS], [ | |
32 | ZFS_LINUX_TEST_SRC([idmap_no_userns], [ | |
33 | #include <linux/uidgid.h> | |
34 | ], [ | |
35 | struct uid_gid_map *map = NULL; | |
36 | map_id_down(map, 0); | |
37 | ]) | |
38 | ]) | |
39 | ||
40 | ||
41 | AC_DEFUN([ZFS_AC_KERNEL_IDMAP_NO_USERNS], [ | |
42 | AC_MSG_CHECKING([whether idmapped mounts have a user namespace]) | |
43 | ZFS_LINUX_TEST_RESULT([idmap_no_userns], [ | |
44 | AC_MSG_RESULT([yes]) | |
45 | AC_DEFINE(HAVE_IDMAP_NO_USERNS, 1, | |
46 | [mnt_idmap does not have user_namespace]) | |
47 | ], [ | |
48 | AC_MSG_RESULT([no]) | |
49 | ]) | |
50 | ]) |