int notify_fd;
sd_event_source *notify_event_source;
+
+ bool use_btrfs_subvol;
+ bool use_btrfs_quota;
};
#define TRANSFERS_MAX 64
assert(ret);
- m = new0(Manager, 1);
+ m = new(Manager, 1);
if (!m)
return -ENOMEM;
+ *m = (Manager) {
+ .use_btrfs_subvol = true,
+ .use_btrfs_quota = true,
+ };
+
r = sd_event_default(&m->event);
if (r < 0)
return r;
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
"Local name %s is invalid", local);
- r = setup_machine_directory(error);
+ r = setup_machine_directory(error, m->use_btrfs_subvol, m->use_btrfs_quota);
if (r < 0)
return r;
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
"Local name %s is invalid", local);
- r = setup_machine_directory(error);
+ r = setup_machine_directory(error, m->use_btrfs_subvol, m->use_btrfs_quota);
if (r < 0)
return r;
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
"Unknown verification mode %s", verify);
- r = setup_machine_directory(error);
+ r = setup_machine_directory(error, m->use_btrfs_subvol, m->use_btrfs_quota);
if (r < 0)
return r;
m);
}
+static void manager_parse_env(Manager *m) {
+ int r;
+
+ assert(m);
+
+ /* Same as src/import/{import,pull}.c:
+ * Let's make these relatively low-level settings also controllable via env vars. User can then set
+ * them for systemd-importd.service if they like to tweak behaviour */
+
+ r = getenv_bool("SYSTEMD_IMPORT_BTRFS_SUBVOL");
+ if (r >= 0)
+ m->use_btrfs_subvol = r;
+ else if (r != -ENXIO)
+ log_warning_errno(r, "Failed to parse $SYSTEMD_IMPORT_BTRFS_SUBVOL: %m");
+
+ r = getenv_bool("SYSTEMD_IMPORT_BTRFS_QUOTA");
+ if (r >= 0)
+ m->use_btrfs_quota = r;
+ else if (r != -ENXIO)
+ log_warning_errno(r, "Failed to parse $SYSTEMD_IMPORT_BTRFS_QUOTA: %m");
+}
+
static int run(int argc, char *argv[]) {
_cleanup_(manager_unrefp) Manager *m = NULL;
int r;
if (r < 0)
return log_error_errno(r, "Failed to allocate manager object: %m");
+ manager_parse_env(m);
+
r = manager_add_bus_objects(m);
if (r < 0)
return r;
return F_TYPE_EQUAL(sfs.f_type, BTRFS_SUPER_MAGIC);
}
-int setup_machine_directory(sd_bus_error *error) {
+int setup_machine_directory(sd_bus_error *error, bool use_btrfs_subvol, bool use_btrfs_quota) {
int r;
r = check_btrfs();
if (r == 0)
return 0;
+ if (!use_btrfs_subvol)
+ return 0;
+
(void) btrfs_subvol_make_label("/var/lib/machines");
+ if (!use_btrfs_quota)
+ return 0;
+
r = btrfs_quota_enable("/var/lib/machines", true);
if (r < 0)
log_warning_errno(r, "Failed to enable quota for /var/lib/machines, ignoring: %m");