+static int llog_check_cb(const struct lu_env *env, struct llog_handle *handle,
+ struct llog_rec_hdr *rec, void *data)
+{
+ struct obd_ioctl_data *ioc_data = (struct obd_ioctl_data *)data;
+ static int l, remains;
+ static long from, to;
+ static char *out;
+ char *endp;
+ int cur_index, rc = 0;
+
+ ENTRY;
+
+ if (ioc_data && ioc_data->ioc_inllen1 > 0) {
+ l = 0;
+ remains = ioc_data->ioc_inllen4 +
+ cfs_size_round(ioc_data->ioc_inllen1) +
+ cfs_size_round(ioc_data->ioc_inllen2) +
+ cfs_size_round(ioc_data->ioc_inllen3);
+ from = simple_strtol(ioc_data->ioc_inlbuf2, &endp, 0);
+ if (*endp != '\0')
+ RETURN(-EINVAL);
+ to = simple_strtol(ioc_data->ioc_inlbuf3, &endp, 0);
+ if (*endp != '\0')
+ RETURN(-EINVAL);
+ ioc_data->ioc_inllen1 = 0;
+ out = ioc_data->ioc_bulk;
+ }
+
+ cur_index = rec->lrh_index;
+ if (cur_index < from)
+ RETURN(0);
+ if (to > 0 && cur_index > to)
+ RETURN(-LLOG_EEMPTY);
+
+ if (handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT) {
+ struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
+ struct llog_handle *loghandle;
+
+ if (rec->lrh_type != LLOG_LOGID_MAGIC) {
+ l = snprintf(out, remains, "[index]: %05d [type]: "
+ "%02x [len]: %04d failed\n",
+ cur_index, rec->lrh_type,
+ rec->lrh_len);
+ }
+ if (handle->lgh_ctxt == NULL)
+ RETURN(-EOPNOTSUPP);
+ rc = llog_cat_id2handle(env, handle, &loghandle, &lir->lid_id);
+ if (rc) {
+ CDEBUG(D_IOCTL, "cannot find log #"DOSTID"#%08x\n",
+ POSTID(&lir->lid_id.lgl_oi),
+ lir->lid_id.lgl_ogen);
+ RETURN(rc);
+ }
+ rc = llog_process(env, loghandle, llog_check_cb, NULL, NULL);
+ llog_handle_put(loghandle);
+ } else {
+ bool ok;
+
+ switch (rec->lrh_type) {
+ case OST_SZ_REC:
+ case MDS_UNLINK_REC:
+ case MDS_UNLINK64_REC:
+ case MDS_SETATTR64_REC:
+ case OBD_CFG_REC:
+ case LLOG_GEN_REC:
+ case LLOG_HDR_MAGIC:
+ ok = true;
+ break;
+ default:
+ ok = false;
+ }
+
+ l = snprintf(out, remains, "[index]: %05d [type]: "
+ "%02x [len]: %04d %s\n",
+ cur_index, rec->lrh_type, rec->lrh_len,
+ ok ? "ok" : "failed");
+ out += l;
+ remains -= l;
+ if (remains <= 0) {
+ CERROR("%s: no space to print log records\n",
+ handle->lgh_ctxt->loc_obd->obd_name);
+ RETURN(-LLOG_EEMPTY);
+ }
+ }
+ RETURN(rc);
+}
+
+static int llog_print_cb(const struct lu_env *env, struct llog_handle *handle,
+ struct llog_rec_hdr *rec, void *data)