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d7c7c334 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2014 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
c9403dce ZJS |
22 | #pragma once |
23 | ||
d7c7c334 LP |
24 | #include <stdbool.h> |
25 | #include <sys/types.h> | |
26 | ||
10f9c755 LP |
27 | #include "time-util.h" |
28 | ||
29 | typedef struct BtrfsSubvolInfo { | |
30 | uint64_t subvol_id; | |
31 | usec_t otime; | |
32 | ||
33 | sd_id128_t uuid; | |
34 | sd_id128_t parent_uuid; | |
35 | ||
36 | bool read_only; | |
37 | } BtrfsSubvolInfo; | |
38 | ||
b6b18498 | 39 | typedef struct BtrfsQuotaInfo { |
cb81cd80 | 40 | uint64_t referenced; |
b6b18498 | 41 | uint64_t exclusive; |
cb81cd80 | 42 | uint64_t referenced_max; |
b6b18498 LP |
43 | uint64_t exclusive_max; |
44 | } BtrfsQuotaInfo; | |
45 | ||
e9bc1871 LP |
46 | typedef enum BtrfsSnapshotFlags { |
47 | BTRFS_SNAPSHOT_FALLBACK_COPY = 1, | |
48 | BTRFS_SNAPSHOT_READ_ONLY = 2, | |
f70a17f8 | 49 | BTRFS_SNAPSHOT_RECURSIVE = 4, |
e9bc1871 LP |
50 | } BtrfsSnapshotFlags; |
51 | ||
21222ea5 LP |
52 | int btrfs_is_filesystem(int fd); |
53 | int btrfs_is_subvol(int fd); | |
d7c7c334 LP |
54 | |
55 | int btrfs_subvol_make(const char *path); | |
d7b8eec7 | 56 | int btrfs_subvol_make_label(const char *path); |
587fec42 | 57 | |
e9bc1871 LP |
58 | int btrfs_subvol_snapshot_fd(int old_fd, const char *new_path, BtrfsSnapshotFlags flags); |
59 | int btrfs_subvol_snapshot(const char *old_path, const char *new_path, BtrfsSnapshotFlags flags); | |
10f9c755 | 60 | |
0d6e763b | 61 | int btrfs_subvol_set_read_only_fd(int fd, bool b); |
10f9c755 LP |
62 | int btrfs_subvol_set_read_only(const char *path, bool b); |
63 | int btrfs_subvol_get_read_only_fd(int fd); | |
90578cbd | 64 | int btrfs_subvol_get_id(int fd, const char *subvolume, uint64_t *ret); |
10f9c755 LP |
65 | int btrfs_subvol_get_id_fd(int fd, uint64_t *ret); |
66 | int btrfs_subvol_get_info_fd(int fd, BtrfsSubvolInfo *info); | |
b6b18498 | 67 | int btrfs_subvol_get_quota_fd(int fd, BtrfsQuotaInfo *quota); |
d7c7c334 LP |
68 | |
69 | int btrfs_reflink(int infd, int outfd); | |
1c7dd825 | 70 | int btrfs_clone_range(int infd, uint64_t in_offset, int ofd, uint64_t out_offset, uint64_t sz); |
d7c7c334 | 71 | |
efe02862 | 72 | int btrfs_get_block_device_fd(int fd, dev_t *dev); |
d7c7c334 | 73 | int btrfs_get_block_device(const char *path, dev_t *dev); |
f27a3864 LP |
74 | |
75 | int btrfs_defrag_fd(int fd); | |
76 | int btrfs_defrag(const char *p); | |
754061ce LP |
77 | |
78 | int btrfs_quota_enable_fd(int fd, bool b); | |
79 | int btrfs_quota_enable(const char *path, bool b); | |
d6ce17c7 | 80 | |
cb81cd80 LP |
81 | int btrfs_quota_limit_fd(int fd, uint64_t referenced_max); |
82 | int btrfs_quota_limit(const char *path, uint64_t referenced_max); | |
efe02862 | 83 | |
26166c88 LP |
84 | int btrfs_resize_loopback_fd(int fd, uint64_t size, bool grow_only); |
85 | int btrfs_resize_loopback(const char *path, uint64_t size, bool grow_only); | |
d9e2daaf LP |
86 | |
87 | int btrfs_subvol_remove(const char *path, bool recursive); | |
88 | int btrfs_subvol_remove_fd(int fd, const char *subvolume, bool recursive); |