#pragma once /*** 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/>. ***/ #include <stdbool.h> #include <stdint.h> #include <sys/types.h> #include "sd-id128.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, BTRFS_SNAPSHOT_QUOTA = 8, } BtrfsSnapshotFlags; typedef enum BtrfsRemoveFlags { BTRFS_REMOVE_RECURSIVE = 1, BTRFS_REMOVE_QUOTA = 2, } BtrfsRemoveFlags; int btrfs_is_filesystem(int fd); int btrfs_is_subvol_fd(int fd); int btrfs_is_subvol(const char *path); 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_scan_start(int fd); int btrfs_quota_scan_wait(int fd); int btrfs_quota_scan_ongoing(int fd); 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_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_remove(const char *path, BtrfsRemoveFlags flags); int btrfs_subvol_remove_fd(int fd, const char *subvolume, BtrfsRemoveFlags 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_parent(int fd, uint64_t subvol_id, uint64_t *ret); int btrfs_subvol_get_info_fd(int fd, uint64_t subvol_id, BtrfsSubvolInfo *info); int btrfs_subvol_find_subtree_qgroup(int fd, uint64_t subvol_id, uint64_t *ret); int btrfs_subvol_get_subtree_quota(const char *path, uint64_t subvol_id, BtrfsQuotaInfo *quota); int btrfs_subvol_get_subtree_quota_fd(int fd, uint64_t subvol_id, BtrfsQuotaInfo *quota); int btrfs_subvol_set_subtree_quota_limit(const char *path, uint64_t subvol_id, uint64_t referenced_max); int btrfs_subvol_set_subtree_quota_limit_fd(int fd, uint64_t subvol_id, uint64_t referenced_max); int btrfs_subvol_auto_qgroup_fd(int fd, uint64_t subvol_id, bool new_qgroup); int btrfs_subvol_auto_qgroup(const char *path, uint64_t subvol_id, bool create_intermediary_qgroup); int btrfs_qgroupid_make(uint64_t level, uint64_t id, uint64_t *ret); int btrfs_qgroupid_split(uint64_t qgroupid, uint64_t *level, uint64_t *id); int btrfs_qgroup_create(int fd, uint64_t qgroupid); int btrfs_qgroup_destroy(int fd, uint64_t qgroupid); int btrfs_qgroup_destroy_recursive(int fd, uint64_t qgroupid); int btrfs_qgroup_set_limit_fd(int fd, uint64_t qgroupid, uint64_t referenced_max); int btrfs_qgroup_set_limit(const char *path, uint64_t qgroupid, uint64_t referenced_max); int btrfs_qgroup_copy_limits(int fd, uint64_t old_qgroupid, uint64_t new_qgroupid); int btrfs_qgroup_assign(int fd, uint64_t child, uint64_t parent); int btrfs_qgroup_unassign(int fd, uint64_t child, uint64_t parent); int btrfs_qgroup_find_parents(int fd, uint64_t qgroupid, uint64_t **ret); int btrfs_qgroup_get_quota_fd(int fd, uint64_t qgroupid, BtrfsQuotaInfo *quota); int btrfs_qgroup_get_quota(const char *path, uint64_t qgroupid, BtrfsQuotaInfo *quota);