-/*-*- 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/>.
-***/
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <fcntl.h>
-#include "log.h"
-#include "fileio.h"
-#include "util.h"
#include "btrfs-util.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "format-util.h"
+#include "log.h"
+#include "string-util.h"
int main(int argc, char *argv[]) {
+ BtrfsQuotaInfo quota;
int r, fd;
fd = open("/", O_RDONLY|O_CLOEXEC|O_DIRECTORY);
log_error_errno(errno, "Failed to open root directory: %m");
else {
BtrfsSubvolInfo info;
- BtrfsQuotaInfo quota;
- char ts[FORMAT_TIMESTAMP_MAX], bs[FORMAT_BYTES_MAX];
- r = btrfs_subvol_get_info_fd(fd, &info);
+ r = btrfs_subvol_get_info_fd(fd, 0, &info);
if (r < 0)
log_error_errno(r, "Failed to get subvolume info: %m");
else {
- log_info("otime: %s", format_timestamp(ts, sizeof(ts), info.otime));
+ log_info("otime: %s", FORMAT_TIMESTAMP(info.otime));
log_info("read-only (search): %s", yes_no(info.read_only));
}
- r = btrfs_subvol_get_quota_fd(fd, "a);
+ r = btrfs_qgroup_get_quota_fd(fd, 0, "a);
if (r < 0)
log_error_errno(r, "Failed to get quota info: %m");
else {
- log_info("referenced: %s", strna(format_bytes(bs, sizeof(bs), quota.referenced)));
- log_info("exclusive: %s", strna(format_bytes(bs, sizeof(bs), quota.exclusive)));
- log_info("referenced_max: %s", strna(format_bytes(bs, sizeof(bs), quota.referenced_max)));
- log_info("exclusive_max: %s", strna(format_bytes(bs, sizeof(bs), quota.exclusive_max)));
+ log_info("referenced: %s", strna(FORMAT_BYTES(quota.referenced)));
+ log_info("exclusive: %s", strna(FORMAT_BYTES(quota.exclusive)));
+ log_info("referenced_max: %s", strna(FORMAT_BYTES(quota.referenced_max)));
+ log_info("exclusive_max: %s", strna(FORMAT_BYTES(quota.exclusive_max)));
}
r = btrfs_subvol_get_read_only_fd(fd);
if (r < 0)
log_error_errno(r, "Failed to make subvolume: %m");
- r = write_string_file("/xxxtest/afile", "ljsadhfljasdkfhlkjdsfha", WRITE_STRING_FILE_CREATE);
+ r = write_string_file("/xxxtest/file", "ljsadhfljasdkfhlkjdsfha", WRITE_STRING_FILE_CREATE);
if (r < 0)
log_error_errno(r, "Failed to write file: %m");
- r = btrfs_subvol_snapshot("/xxxtest", "/xxxtest2", 0);
+ r = btrfs_subvol_snapshot_at(AT_FDCWD, "/xxxtest", AT_FDCWD, "/xxxtest2", 0);
if (r < 0)
log_error_errno(r, "Failed to make snapshot: %m");
- r = btrfs_subvol_snapshot("/xxxtest", "/xxxtest3", BTRFS_SNAPSHOT_READ_ONLY);
+ r = btrfs_subvol_snapshot_at(AT_FDCWD, "/xxxtest", AT_FDCWD, "/xxxtest3", BTRFS_SNAPSHOT_READ_ONLY);
if (r < 0)
log_error_errno(r, "Failed to make snapshot: %m");
- r = btrfs_subvol_remove("/xxxtest", false);
+ r = btrfs_subvol_remove("/xxxtest", BTRFS_REMOVE_QUOTA);
if (r < 0)
log_error_errno(r, "Failed to remove subvolume: %m");
- r = btrfs_subvol_remove("/xxxtest2", false);
+ r = btrfs_subvol_remove("/xxxtest2", BTRFS_REMOVE_QUOTA);
if (r < 0)
log_error_errno(r, "Failed to remove subvolume: %m");
- r = btrfs_subvol_remove("/xxxtest3", false);
+ r = btrfs_subvol_remove("/xxxtest3", BTRFS_REMOVE_QUOTA);
if (r < 0)
log_error_errno(r, "Failed to remove subvolume: %m");
- r = btrfs_subvol_snapshot("/etc", "/etc2", BTRFS_SNAPSHOT_READ_ONLY|BTRFS_SNAPSHOT_FALLBACK_COPY);
+ r = btrfs_subvol_snapshot_at(AT_FDCWD, "/etc", AT_FDCWD, "/etc2",
+ BTRFS_SNAPSHOT_READ_ONLY|BTRFS_SNAPSHOT_FALLBACK_COPY);
if (r < 0)
log_error_errno(r, "Failed to make snapshot: %m");
- r = btrfs_subvol_remove("/etc2", false);
+ r = btrfs_subvol_remove("/etc2", BTRFS_REMOVE_QUOTA);
if (r < 0)
log_error_errno(r, "Failed to remove subvolume: %m");
if (mkdir("/xxxrectest/mnt", 0755) < 0)
log_error_errno(errno, "Failed to make directory: %m");
- r = btrfs_subvol_snapshot("/xxxrectest", "/xxxrectest2", BTRFS_SNAPSHOT_RECURSIVE);
+ r = btrfs_subvol_snapshot_at(AT_FDCWD, "/xxxrectest", AT_FDCWD, "/xxxrectest2", BTRFS_SNAPSHOT_RECURSIVE);
if (r < 0)
log_error_errno(r, "Failed to snapshot subvolume: %m");
- r = btrfs_subvol_remove("/xxxrectest", true);
+ r = btrfs_subvol_remove("/xxxrectest", BTRFS_REMOVE_QUOTA|BTRFS_REMOVE_RECURSIVE);
if (r < 0)
log_error_errno(r, "Failed to recursively remove subvolume: %m");
- r = btrfs_subvol_remove("/xxxrectest2", true);
+ r = btrfs_subvol_remove("/xxxrectest2", BTRFS_REMOVE_QUOTA|BTRFS_REMOVE_RECURSIVE);
if (r < 0)
log_error_errno(r, "Failed to recursively remove subvolume: %m");
+ r = btrfs_subvol_make("/xxxquotatest");
+ if (r < 0)
+ log_error_errno(r, "Failed to make subvolume: %m");
+
+ r = btrfs_subvol_auto_qgroup("/xxxquotatest", 0, true);
+ if (r < 0)
+ log_error_errno(r, "Failed to set up auto qgroup: %m");
+
+ r = btrfs_subvol_make("/xxxquotatest/beneath");
+ if (r < 0)
+ log_error_errno(r, "Failed to make subvolume: %m");
+
+ r = btrfs_subvol_auto_qgroup("/xxxquotatest/beneath", 0, false);
+ if (r < 0)
+ log_error_errno(r, "Failed to set up auto qgroup: %m");
+
+ r = btrfs_qgroup_set_limit("/xxxquotatest/beneath", 0, 4ULL * 1024 * 1024 * 1024);
+ if (r < 0)
+ log_error_errno(r, "Failed to set up quota limit: %m");
+
+ r = btrfs_subvol_set_subtree_quota_limit("/xxxquotatest", 0, 5ULL * 1024 * 1024 * 1024);
+ if (r < 0)
+ log_error_errno(r, "Failed to set up quota limit: %m");
+
+ r = btrfs_subvol_snapshot_at(AT_FDCWD, "/xxxquotatest", AT_FDCWD, "/xxxquotatest2",
+ BTRFS_SNAPSHOT_RECURSIVE|BTRFS_SNAPSHOT_QUOTA);
+ if (r < 0)
+ log_error_errno(r, "Failed to set up snapshot: %m");
+
+ r = btrfs_qgroup_get_quota("/xxxquotatest2/beneath", 0, "a);
+ if (r < 0)
+ log_error_errno(r, "Failed to query quota: %m");
+
+ assert_se(quota.referenced_max == 4ULL * 1024 * 1024 * 1024);
+
+ r = btrfs_subvol_get_subtree_quota("/xxxquotatest2", 0, "a);
+ if (r < 0)
+ log_error_errno(r, "Failed to query quota: %m");
+
+ assert_se(quota.referenced_max == 5ULL * 1024 * 1024 * 1024);
+
+ r = btrfs_subvol_remove("/xxxquotatest", BTRFS_REMOVE_QUOTA|BTRFS_REMOVE_RECURSIVE);
+ if (r < 0)
+ log_error_errno(r, "Failed remove subvolume: %m");
+
+ r = btrfs_subvol_remove("/xxxquotatest2", BTRFS_REMOVE_QUOTA|BTRFS_REMOVE_RECURSIVE);
+ if (r < 0)
+ log_error_errno(r, "Failed remove subvolume: %m");
+
return 0;
}
projects / thirdparty / systemd.git / blobdiff