/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2014 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #pragma once #include <stdbool.h> #include <sys/types.h> #include "time-util.h" typedef struct BtrfsSubvolInfo { uint64_t subvol_id; usec_t otime; sd_id128_t uuid; sd_id128_t parent_uuid; bool read_only; } BtrfsSubvolInfo; typedef struct BtrfsQuotaInfo { uint64_t referenced; uint64_t exclusive; uint64_t referenced_max; uint64_t exclusive_max; } BtrfsQuotaInfo; typedef enum BtrfsSnapshotFlags { BTRFS_SNAPSHOT_FALLBACK_COPY = 1, BTRFS_SNAPSHOT_READ_ONLY = 2, BTRFS_SNAPSHOT_RECURSIVE = 4, } BtrfsSnapshotFlags; int btrfs_is_filesystem(int fd); int btrfs_is_subvol(int fd); int btrfs_subvol_make(const char *path); int btrfs_subvol_make_label(const char *path); int btrfs_subvol_snapshot_fd(int old_fd, const char *new_path, BtrfsSnapshotFlags flags); int btrfs_subvol_snapshot(const char *old_path, const char *new_path, BtrfsSnapshotFlags flags); int btrfs_subvol_set_read_only_fd(int fd, bool b); int btrfs_subvol_set_read_only(const char *path, bool b); int btrfs_subvol_get_read_only_fd(int fd); int btrfs_subvol_get_id(int fd, const char *subvolume, uint64_t *ret); int btrfs_subvol_get_id_fd(int fd, uint64_t *ret); int btrfs_subvol_get_info_fd(int fd, BtrfsSubvolInfo *info); int btrfs_subvol_get_quota_fd(int fd, BtrfsQuotaInfo *quota); int btrfs_reflink(int infd, int outfd); int btrfs_clone_range(int infd, uint64_t in_offset, int ofd, uint64_t out_offset, uint64_t sz); int btrfs_get_block_device_fd(int fd, dev_t *dev); int btrfs_get_block_device(const char *path, dev_t *dev); int btrfs_defrag_fd(int fd); int btrfs_defrag(const char *p); int btrfs_quota_enable_fd(int fd, bool b); int btrfs_quota_enable(const char *path, bool b); int btrfs_quota_limit_fd(int fd, uint64_t referenced_max); int btrfs_quota_limit(const char *path, uint64_t referenced_max); int btrfs_resize_loopback_fd(int fd, uint64_t size, bool grow_only); int btrfs_resize_loopback(const char *path, uint64_t size, bool grow_only); int btrfs_subvol_remove(const char *path, bool recursive); int btrfs_subvol_remove_fd(int fd, const char *subvolume, bool recursive);