+
+int llog_catalog_list(const struct lu_env *env, struct dt_device *d,
+ int count, struct obd_ioctl_data *data,
+ const struct lu_fid *fid)
+{
+ int size, i;
+ struct llog_catid *idarray;
+ struct llog_logid *id;
+ char *out;
+ int l, remains, rc = 0;
+
+ ENTRY;
+
+ if (count == 0) { /* get total number of logs */
+ rc = llog_osd_get_cat_list(env, d, 0, 0, NULL, fid);
+ if (rc < 0)
+ RETURN(rc);
+ count = rc;
+ }
+
+ size = sizeof(*idarray) * count;
+
+ OBD_ALLOC_LARGE(idarray, size);
+ if (!idarray)
+ RETURN(-ENOMEM);
+
+ rc = llog_osd_get_cat_list(env, d, 0, count, idarray, fid);
+ if (rc)
+ GOTO(out, rc);
+
+ out = data->ioc_bulk;
+ remains = data->ioc_inllen1;
+ for (i = 0; i < count; i++) {
+ id = &idarray[i].lci_logid;
+ l = snprintf(out, remains,
+ "catalog log: #"DOSTID"#%08x\n",
+ POSTID(&id->lgl_oi),
+ id->lgl_ogen);
+ out += l;
+ remains -= l;
+ if (remains <= 0)
+ break;
+ }
+out:
+ OBD_FREE_LARGE(idarray, size);
+ RETURN(rc);
+}
+EXPORT_SYMBOL(llog_catalog_list);