From a095315b3c31f7a419baceac82c26c3c5ac0cd12 Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Tue, 9 Jun 2015 14:27:33 +0200 Subject: build-sys: split internal basic/ library from shared/ basic/ can be used by everything cannot use anything outside of basic/ libsystemd/ can use basic/ cannot use shared/ shared/ can use libsystemd/ --- src/basic/btrfs-util.h | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 src/basic/btrfs-util.h (limited to 'src/basic/btrfs-util.h') diff --git a/src/basic/btrfs-util.h b/src/basic/btrfs-util.h new file mode 100644 index 0000000000..a7eb895c93 --- /dev/null +++ b/src/basic/btrfs-util.h @@ -0,0 +1,87 @@ +/*-*- 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 . +***/ + +#pragma once + +#include +#include + +#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_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); -- cgit v1.2.3-54-g00ecf