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