static int tar_import_fork_tar(TarImport *i) {
int r;
assert(i);
assert(!i->final_path);
assert(!i->temp_path);
assert(i->tar_fd < 0);
i->final_path = strjoin(i->image_root, "/", i->local, NULL);
if (!i->final_path)
return log_oom();
r = tempfn_random(i->final_path, &i->temp_path);
if (r < 0)
return log_oom();
(void) mkdir_parents_label(i->temp_path, 0700);
r = btrfs_subvol_make(i->temp_path);
if (r == -ENOTTY) {
if (mkdir(i->temp_path, 0755) < 0)
return log_error_errno(errno, "Failed to create directory %s: %m", i->temp_path);
} else if (r < 0)
return log_error_errno(errno, "Failed to create subvolume %s: %m", i->temp_path);
i->tar_fd = import_fork_tar_x(i->temp_path, &i->tar_pid);
if (i->tar_fd < 0)
return i->tar_fd;
return 0;
}
static int tar_pull_job_on_open_disk_tar(PullJob *j) {
TarPull *i;
int r;
assert(j);
assert(j->userdata);
i = j->userdata;
assert(i->tar_job == j);
assert(i->tar_pid <= 0);
if (!i->temp_path) {
r = tempfn_random_child(i->image_root, "tar", &i->temp_path);
if (r < 0)
return log_oom();
}
mkdir_parents_label(i->temp_path, 0700);
r = btrfs_subvol_make(i->temp_path);
if (r == -ENOTTY) {
if (mkdir(i->temp_path, 0755) < 0)
return log_error_errno(errno, "Failed to create directory %s: %m", i->temp_path);
} else if (r < 0)
return log_error_errno(r, "Failed to create subvolume %s: %m", i->temp_path);
else
(void) import_assign_pool_quota_and_warn(i->temp_path);
j->disk_fd = import_fork_tar_x(i->temp_path, &i->tar_pid);
if (j->disk_fd < 0)
return j->disk_fd;
return 0;
}
static int dkr_pull_job_on_open_disk(PullJob *j) {
const char *base;
DkrPull *i;
int r;
assert(j);
assert(j->userdata);
i = j->userdata;
assert(i->layer_job == j);
assert(i->final_path);
assert(!i->temp_path);
assert(i->tar_pid <= 0);
r = tempfn_random(i->final_path, &i->temp_path);
if (r < 0)
return log_oom();
mkdir_parents_label(i->temp_path, 0700);
base = dkr_pull_current_base_layer(i);
if (base) {
const char *base_path;
base_path = strjoina(i->image_root, "/.dkr-", base);
r = btrfs_subvol_snapshot(base_path, i->temp_path, BTRFS_SNAPSHOT_FALLBACK_COPY);
} else
r = btrfs_subvol_make(i->temp_path);
if (r < 0)
return log_error_errno(r, "Failed to make btrfs subvolume %s: %m", i->temp_path);
j->disk_fd = import_fork_tar_x(i->temp_path, &i->tar_pid);
if (j->disk_fd < 0)
return j->disk_fd;
return 0;
}
static int tar_pull_job_on_open_disk(PullJob *j) {
TarPull *i;
int r;
assert(j);
assert(j->userdata);
i = j->userdata;
assert(i->tar_job == j);
assert(!i->final_path);
assert(!i->temp_path);
assert(i->tar_pid <= 0);
r = pull_make_path(j->url, j->etag, i->image_root, ".tar-", NULL, &i->final_path);
if (r < 0)
return log_oom();
r = tempfn_random(i->final_path, NULL, &i->temp_path);
if (r < 0)
return log_oom();
mkdir_parents_label(i->temp_path, 0700);
r = btrfs_subvol_make(i->temp_path);
if (r == -ENOTTY) {
if (mkdir(i->temp_path, 0755) < 0)
return log_error_errno(errno, "Failed to create directory %s: %m", i->temp_path);
} else if (r < 0)
return log_error_errno(errno, "Failed to create subvolume %s: %m", i->temp_path);
j->disk_fd = import_fork_tar_x(i->temp_path, &i->tar_pid);
if (j->disk_fd < 0)
return j->disk_fd;
return 0;
}
