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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
0ef6f454 LP |
2 | #pragma once |
3 | ||
d7c7c334 LP |
4 | /*** |
5 | This file is part of systemd. | |
6 | ||
7 | Copyright 2014 Lennart Poettering | |
8 | ||
9 | systemd is free software; you can redistribute it and/or modify it | |
10 | under the terms of the GNU Lesser General Public License as published by | |
11 | the Free Software Foundation; either version 2.1 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | systemd is distributed in the hope that it will be useful, but | |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | Lesser General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU Lesser General Public License | |
20 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
21 | ***/ | |
22 | ||
23 | #include <stdbool.h> | |
11c3a366 | 24 | #include <stdint.h> |
d7c7c334 LP |
25 | #include <sys/types.h> |
26 | ||
11c3a366 TA |
27 | #include "sd-id128.h" |
28 | ||
10f9c755 LP |
29 | #include "time-util.h" |
30 | ||
31 | typedef struct BtrfsSubvolInfo { | |
32 | uint64_t subvol_id; | |
33 | usec_t otime; | |
34 | ||
35 | sd_id128_t uuid; | |
36 | sd_id128_t parent_uuid; | |
37 | ||
38 | bool read_only; | |
39 | } BtrfsSubvolInfo; | |
40 | ||
b6b18498 | 41 | typedef struct BtrfsQuotaInfo { |
cb81cd80 | 42 | uint64_t referenced; |
b6b18498 | 43 | uint64_t exclusive; |
cb81cd80 | 44 | uint64_t referenced_max; |
b6b18498 LP |
45 | uint64_t exclusive_max; |
46 | } BtrfsQuotaInfo; | |
47 | ||
e9bc1871 | 48 | typedef enum BtrfsSnapshotFlags { |
17cbb288 | 49 | BTRFS_SNAPSHOT_FALLBACK_COPY = 1, /* If the source isn't a subvolume, reflink everything */ |
e9bc1871 | 50 | BTRFS_SNAPSHOT_READ_ONLY = 2, |
f70a17f8 | 51 | BTRFS_SNAPSHOT_RECURSIVE = 4, |
5bcd08db | 52 | BTRFS_SNAPSHOT_QUOTA = 8, |
17cbb288 LP |
53 | BTRFS_SNAPSHOT_FALLBACK_DIRECTORY = 16, /* If the destination doesn't support subvolumes, reflink/copy instead */ |
54 | BTRFS_SNAPSHOT_FALLBACK_IMMUTABLE = 32, /* When we can't create a subvolume, use the FS_IMMUTABLE attribute for indicating read-only */ | |
e9bc1871 LP |
55 | } BtrfsSnapshotFlags; |
56 | ||
5bcd08db LP |
57 | typedef enum BtrfsRemoveFlags { |
58 | BTRFS_REMOVE_RECURSIVE = 1, | |
59 | BTRFS_REMOVE_QUOTA = 2, | |
60 | } BtrfsRemoveFlags; | |
61 | ||
21222ea5 | 62 | int btrfs_is_filesystem(int fd); |
2904e949 LP |
63 | |
64 | int btrfs_is_subvol_fd(int fd); | |
65 | int btrfs_is_subvol(const char *path); | |
d7c7c334 | 66 | |
5bcd08db LP |
67 | int btrfs_reflink(int infd, int outfd); |
68 | int btrfs_clone_range(int infd, uint64_t in_offset, int ofd, uint64_t out_offset, uint64_t sz); | |
69 | ||
70 | int btrfs_get_block_device_fd(int fd, dev_t *dev); | |
71 | int btrfs_get_block_device(const char *path, dev_t *dev); | |
72 | ||
73 | int btrfs_defrag_fd(int fd); | |
74 | int btrfs_defrag(const char *p); | |
75 | ||
76 | int btrfs_quota_enable_fd(int fd, bool b); | |
77 | int btrfs_quota_enable(const char *path, bool b); | |
78 | ||
79 | int btrfs_quota_scan_start(int fd); | |
80 | int btrfs_quota_scan_wait(int fd); | |
81 | int btrfs_quota_scan_ongoing(int fd); | |
82 | ||
83 | int btrfs_resize_loopback_fd(int fd, uint64_t size, bool grow_only); | |
84 | int btrfs_resize_loopback(const char *path, uint64_t size, bool grow_only); | |
85 | ||
d7c7c334 | 86 | int btrfs_subvol_make(const char *path); |
d7b8eec7 | 87 | int btrfs_subvol_make_label(const char *path); |
587fec42 | 88 | |
e9bc1871 LP |
89 | int btrfs_subvol_snapshot_fd(int old_fd, const char *new_path, BtrfsSnapshotFlags flags); |
90 | int btrfs_subvol_snapshot(const char *old_path, const char *new_path, BtrfsSnapshotFlags flags); | |
10f9c755 | 91 | |
5bcd08db LP |
92 | int btrfs_subvol_remove(const char *path, BtrfsRemoveFlags flags); |
93 | int btrfs_subvol_remove_fd(int fd, const char *subvolume, BtrfsRemoveFlags flags); | |
94 | ||
0d6e763b | 95 | int btrfs_subvol_set_read_only_fd(int fd, bool b); |
10f9c755 LP |
96 | int btrfs_subvol_set_read_only(const char *path, bool b); |
97 | int btrfs_subvol_get_read_only_fd(int fd); | |
5bcd08db | 98 | |
90578cbd | 99 | int btrfs_subvol_get_id(int fd, const char *subvolume, uint64_t *ret); |
10f9c755 | 100 | int btrfs_subvol_get_id_fd(int fd, uint64_t *ret); |
5bcd08db | 101 | int btrfs_subvol_get_parent(int fd, uint64_t subvol_id, uint64_t *ret); |
d7c7c334 | 102 | |
5bcd08db | 103 | int btrfs_subvol_get_info_fd(int fd, uint64_t subvol_id, BtrfsSubvolInfo *info); |
d7c7c334 | 104 | |
5bcd08db | 105 | int btrfs_subvol_find_subtree_qgroup(int fd, uint64_t subvol_id, uint64_t *ret); |
f27a3864 | 106 | |
5bcd08db LP |
107 | int btrfs_subvol_get_subtree_quota(const char *path, uint64_t subvol_id, BtrfsQuotaInfo *quota); |
108 | int btrfs_subvol_get_subtree_quota_fd(int fd, uint64_t subvol_id, BtrfsQuotaInfo *quota); | |
754061ce | 109 | |
5bcd08db LP |
110 | int btrfs_subvol_set_subtree_quota_limit(const char *path, uint64_t subvol_id, uint64_t referenced_max); |
111 | int btrfs_subvol_set_subtree_quota_limit_fd(int fd, uint64_t subvol_id, uint64_t referenced_max); | |
d6ce17c7 | 112 | |
5bcd08db LP |
113 | int btrfs_subvol_auto_qgroup_fd(int fd, uint64_t subvol_id, bool new_qgroup); |
114 | int btrfs_subvol_auto_qgroup(const char *path, uint64_t subvol_id, bool create_intermediary_qgroup); | |
efe02862 | 115 | |
5bcd08db LP |
116 | int btrfs_qgroupid_make(uint64_t level, uint64_t id, uint64_t *ret); |
117 | int btrfs_qgroupid_split(uint64_t qgroupid, uint64_t *level, uint64_t *id); | |
118 | ||
119 | int btrfs_qgroup_create(int fd, uint64_t qgroupid); | |
120 | int btrfs_qgroup_destroy(int fd, uint64_t qgroupid); | |
121 | int btrfs_qgroup_destroy_recursive(int fd, uint64_t qgroupid); | |
122 | ||
123 | int btrfs_qgroup_set_limit_fd(int fd, uint64_t qgroupid, uint64_t referenced_max); | |
124 | int btrfs_qgroup_set_limit(const char *path, uint64_t qgroupid, uint64_t referenced_max); | |
125 | ||
126 | int btrfs_qgroup_copy_limits(int fd, uint64_t old_qgroupid, uint64_t new_qgroupid); | |
127 | ||
128 | int btrfs_qgroup_assign(int fd, uint64_t child, uint64_t parent); | |
129 | int btrfs_qgroup_unassign(int fd, uint64_t child, uint64_t parent); | |
d9e2daaf | 130 | |
5bcd08db | 131 | int btrfs_qgroup_find_parents(int fd, uint64_t qgroupid, uint64_t **ret); |
3f952f92 | 132 | |
5bcd08db LP |
133 | int btrfs_qgroup_get_quota_fd(int fd, uint64_t qgroupid, BtrfsQuotaInfo *quota); |
134 | int btrfs_qgroup_get_quota(const char *path, uint64_t qgroupid, BtrfsQuotaInfo *quota); |