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1 | /* SPDX-License-Identifier: LGPL-2.1+ */ | |
2 | #pragma once | |
3 | ||
4 | #include <stdbool.h> | |
5 | #include <stdint.h> | |
6 | #include <sys/types.h> | |
7 | ||
8 | #include "sd-id128.h" | |
9 | ||
10 | #include "time-util.h" | |
11 | ||
12 | typedef struct BtrfsSubvolInfo { | |
13 | uint64_t subvol_id; | |
14 | usec_t otime; | |
15 | ||
16 | sd_id128_t uuid; | |
17 | sd_id128_t parent_uuid; | |
18 | ||
19 | bool read_only; | |
20 | } BtrfsSubvolInfo; | |
21 | ||
22 | typedef struct BtrfsQuotaInfo { | |
23 | uint64_t referenced; | |
24 | uint64_t exclusive; | |
25 | uint64_t referenced_max; | |
26 | uint64_t exclusive_max; | |
27 | } BtrfsQuotaInfo; | |
28 | ||
29 | typedef enum BtrfsSnapshotFlags { | |
30 | BTRFS_SNAPSHOT_FALLBACK_COPY = 1, /* If the source isn't a subvolume, reflink everything */ | |
31 | BTRFS_SNAPSHOT_READ_ONLY = 2, | |
32 | BTRFS_SNAPSHOT_RECURSIVE = 4, | |
33 | BTRFS_SNAPSHOT_QUOTA = 8, | |
34 | BTRFS_SNAPSHOT_FALLBACK_DIRECTORY = 16, /* If the destination doesn't support subvolumes, reflink/copy instead */ | |
35 | BTRFS_SNAPSHOT_FALLBACK_IMMUTABLE = 32, /* When we can't create a subvolume, use the FS_IMMUTABLE attribute for indicating read-only */ | |
36 | } BtrfsSnapshotFlags; | |
37 | ||
38 | typedef enum BtrfsRemoveFlags { | |
39 | BTRFS_REMOVE_RECURSIVE = 1, | |
40 | BTRFS_REMOVE_QUOTA = 2, | |
41 | } BtrfsRemoveFlags; | |
42 | ||
43 | int btrfs_is_filesystem(int fd); | |
44 | ||
45 | int btrfs_is_subvol_fd(int fd); | |
46 | int btrfs_is_subvol(const char *path); | |
47 | ||
48 | int btrfs_reflink(int infd, int outfd); | |
49 | int btrfs_clone_range(int infd, uint64_t in_offset, int ofd, uint64_t out_offset, uint64_t sz); | |
50 | ||
51 | int btrfs_get_block_device_fd(int fd, dev_t *dev); | |
52 | int btrfs_get_block_device(const char *path, dev_t *dev); | |
53 | ||
54 | int btrfs_defrag_fd(int fd); | |
55 | int btrfs_defrag(const char *p); | |
56 | ||
57 | int btrfs_quota_enable_fd(int fd, bool b); | |
58 | int btrfs_quota_enable(const char *path, bool b); | |
59 | ||
60 | int btrfs_quota_scan_start(int fd); | |
61 | int btrfs_quota_scan_wait(int fd); | |
62 | int btrfs_quota_scan_ongoing(int fd); | |
63 | ||
64 | int btrfs_resize_loopback_fd(int fd, uint64_t size, bool grow_only); | |
65 | int btrfs_resize_loopback(const char *path, uint64_t size, bool grow_only); | |
66 | ||
67 | int btrfs_subvol_make(const char *path); | |
68 | int btrfs_subvol_make_fd(int fd, const char *subvolume); | |
69 | ||
70 | int btrfs_subvol_snapshot_fd(int old_fd, const char *new_path, BtrfsSnapshotFlags flags); | |
71 | int btrfs_subvol_snapshot(const char *old_path, const char *new_path, BtrfsSnapshotFlags flags); | |
72 | ||
73 | int btrfs_subvol_remove(const char *path, BtrfsRemoveFlags flags); | |
74 | int btrfs_subvol_remove_fd(int fd, const char *subvolume, BtrfsRemoveFlags flags); | |
75 | ||
76 | int btrfs_subvol_set_read_only_fd(int fd, bool b); | |
77 | int btrfs_subvol_set_read_only(const char *path, bool b); | |
78 | int btrfs_subvol_get_read_only_fd(int fd); | |
79 | ||
80 | int btrfs_subvol_get_id(int fd, const char *subvolume, uint64_t *ret); | |
81 | int btrfs_subvol_get_id_fd(int fd, uint64_t *ret); | |
82 | int btrfs_subvol_get_parent(int fd, uint64_t subvol_id, uint64_t *ret); | |
83 | ||
84 | int btrfs_subvol_get_info_fd(int fd, uint64_t subvol_id, BtrfsSubvolInfo *info); | |
85 | ||
86 | int btrfs_subvol_find_subtree_qgroup(int fd, uint64_t subvol_id, uint64_t *ret); | |
87 | ||
88 | int btrfs_subvol_get_subtree_quota(const char *path, uint64_t subvol_id, BtrfsQuotaInfo *quota); | |
89 | int btrfs_subvol_get_subtree_quota_fd(int fd, uint64_t subvol_id, BtrfsQuotaInfo *quota); | |
90 | ||
91 | int btrfs_subvol_set_subtree_quota_limit(const char *path, uint64_t subvol_id, uint64_t referenced_max); | |
92 | int btrfs_subvol_set_subtree_quota_limit_fd(int fd, uint64_t subvol_id, uint64_t referenced_max); | |
93 | ||
94 | int btrfs_subvol_auto_qgroup_fd(int fd, uint64_t subvol_id, bool new_qgroup); | |
95 | int btrfs_subvol_auto_qgroup(const char *path, uint64_t subvol_id, bool create_intermediary_qgroup); | |
96 | ||
97 | int btrfs_qgroupid_make(uint64_t level, uint64_t id, uint64_t *ret); | |
98 | int btrfs_qgroupid_split(uint64_t qgroupid, uint64_t *level, uint64_t *id); | |
99 | ||
100 | int btrfs_qgroup_create(int fd, uint64_t qgroupid); | |
101 | int btrfs_qgroup_destroy(int fd, uint64_t qgroupid); | |
102 | int btrfs_qgroup_destroy_recursive(int fd, uint64_t qgroupid); | |
103 | ||
104 | int btrfs_qgroup_set_limit_fd(int fd, uint64_t qgroupid, uint64_t referenced_max); | |
105 | int btrfs_qgroup_set_limit(const char *path, uint64_t qgroupid, uint64_t referenced_max); | |
106 | ||
107 | int btrfs_qgroup_copy_limits(int fd, uint64_t old_qgroupid, uint64_t new_qgroupid); | |
108 | ||
109 | int btrfs_qgroup_assign(int fd, uint64_t child, uint64_t parent); | |
110 | int btrfs_qgroup_unassign(int fd, uint64_t child, uint64_t parent); | |
111 | ||
112 | int btrfs_qgroup_find_parents(int fd, uint64_t qgroupid, uint64_t **ret); | |
113 | ||
114 | int btrfs_qgroup_get_quota_fd(int fd, uint64_t qgroupid, BtrfsQuotaInfo *quota); | |
115 | int btrfs_qgroup_get_quota(const char *path, uint64_t qgroupid, BtrfsQuotaInfo *quota); |