1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2014 Lennart Poettering
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.
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.
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/>.
25 #include <sys/types.h>
27 #include "time-util.h"
29 typedef struct BtrfsSubvolInfo {
34 sd_id128_t parent_uuid;
39 typedef struct BtrfsQuotaInfo {
42 uint64_t referenced_max;
43 uint64_t exclusive_max;
46 int btrfs_is_snapshot(int fd);
48 int btrfs_subvol_make(const char *path);
49 int btrfs_subvol_make_label(const char *path);
50 int btrfs_subvol_remove(const char *path);
52 int btrfs_subvol_snapshot_fd(int old_fd, const char *new_path, bool read_only, bool fallback_copy);
53 int btrfs_subvol_snapshot(const char *old_path, const char *new_path, bool read_only, bool fallback_copy);
55 int btrfs_subvol_set_read_only_fd(int fd, bool b);
56 int btrfs_subvol_set_read_only(const char *path, bool b);
57 int btrfs_subvol_get_read_only_fd(int fd);
58 int btrfs_subvol_get_id_fd(int fd, uint64_t *ret);
59 int btrfs_subvol_get_info_fd(int fd, BtrfsSubvolInfo *info);
60 int btrfs_subvol_get_quota_fd(int fd, BtrfsQuotaInfo *quota);
62 int btrfs_reflink(int infd, int outfd);
63 int btrfs_clone_range(int infd, uint64_t in_offset, int ofd, uint64_t out_offset, uint64_t sz);
65 int btrfs_get_block_device_fd(int fd, dev_t *dev);
66 int btrfs_get_block_device(const char *path, dev_t *dev);
68 int btrfs_defrag_fd(int fd);
69 int btrfs_defrag(const char *p);
71 int btrfs_quota_enable_fd(int fd, bool b);
72 int btrfs_quota_enable(const char *path, bool b);
74 int btrfs_quota_limit_fd(int fd, uint64_t referenced_max);
75 int btrfs_quota_limit(const char *path, uint64_t referenced_max);
77 int btrfs_resize_loopback_fd(int fd, uint64_t size, bool grow_only);
78 int btrfs_resize_loopback(const char *path, uint64_t size, bool grow_only);