RETURN(rc);
}
+int mdt_hsm_send_action_to_each_archive(struct mdt_thread_info *mti,
+ struct hsm_action_item *hai)
+{
+ __u64 compound_id;
+ struct hsm_agent *ha;
+ __u32 archive_mask = 0;
+ struct coordinator *cdt = &mti->mti_mdt->mdt_coordinator;
+ int i;
+ /* return error by default in case all archive_ids have unregistered */
+ int rc = -EAGAIN;
+ ENTRY;
+
+ /* send action to all registered archive_ids */
+ down_read(&cdt->cdt_agent_lock);
+ list_for_each_entry(ha, &cdt->cdt_agents, ha_list) {
+ for (i = 0; (i < ha->ha_archive_cnt); i++) {
+ /* only send once for each archive_id */
+ if ((1 << ha->ha_archive_id[i]) & archive_mask)
+ continue;
+ archive_mask |= (1 << ha->ha_archive_id[i]);
+
+ /* XXX: instead of creating one request record per
+ * new action, it could make sense to gather
+ * all for the same archive_id as one compound
+ * request/id, like in mdt_hsm_add_actions() ?? */
+ compound_id = atomic_inc_return(&cdt->cdt_compound_id);
+ rc = mdt_agent_record_add(mti->mti_env, mti->mti_mdt,
+ compound_id,
+ ha->ha_archive_id[i], 0,
+ hai);
+ if (rc) {
+ CERROR("%s: unable to add HSM remove request "
+ "for "DFID": rc=%d\n",
+ mdt_obd_name(mti->mti_mdt),
+ PFID(&hai->hai_fid), rc);
+ break;
+ } else {
+ CDEBUG(D_HSM, "%s: added HSM remove request "
+ "for "DFID", archive_id=%d\n",
+ mdt_obd_name(mti->mti_mdt),
+ PFID(&hai->hai_fid),
+ ha->ha_archive_id[i]);
+ }
+ }
+ /* early exit from loop due to error? */
+ if (i != ha->ha_archive_cnt)
+ break;
+ }
+ up_read(&cdt->cdt_agent_lock);
+
+ RETURN(rc);
+}
+
/**
* send a compound request to the agent
* \param mti [IN] context
ENTRY;
rc = mdt_hsm_find_best_agent(cdt, hal->hal_archive_id, &uuid);
+ if (rc && hal->hal_archive_id == 0) {
+ uint notrmcount = 0;
+ int rc2 = 0;
+
+ /* special case of remove requests with no archive_id specified,
+ * and no agent registered to serve all archives, then create a
+ * set of new requests, each to be sent to each registered
+ * archives.
+ * Todo so, find all HSMA_REMOVE entries, and then :
+ * _ set completed status as SUCCESS (or FAIL?)
+ * _ create a new LLOG record for each archive_id
+ * presently being served by any CT
+ */
+ hai = hai_first(hal);
+ for (i = 0; i < hal->hal_count; i++,
+ hai = hai_next(hai)) {
+ /* only removes are concerned */
+ if (hai->hai_action != HSMA_REMOVE) {
+ /* count if other actions than HSMA_REMOVE,
+ * to return original error/rc */
+ notrmcount++;
+ continue;
+ }
+
+ /* send remove request to all registered archive_ids */
+ rc2 = mdt_hsm_send_action_to_each_archive(mti, hai);
+ if (rc2)
+ break;
+
+ /* only update original request as SUCCEED if it has
+ * been successfully broadcasted to all available
+ * archive_ids
+ * XXX: this should only cause duplicates to be sent,
+ * unless a method to record already successfully
+ * reached archive_ids is implemented */
+ rc2 = mdt_agent_record_update(mti->mti_env, mdt,
+ &hai->hai_cookie,
+ 1, ARS_SUCCEED);
+ if (rc2) {
+ CERROR("%s: mdt_agent_record_update() "
+ "failed, cannot update "
+ "status to %s for cookie "
+ LPX64": rc = %d\n",
+ mdt_obd_name(mdt),
+ agent_req_status2name(ARS_SUCCEED),
+ hai->hai_cookie, rc2);
+ break;
+ }
+ }
+ /* only remove requests with archive_id=0 */
+ if (notrmcount == 0)
+ RETURN(rc2);
+
+ }
+
if (rc) {
CERROR("%s: Cannot find agent for archive %d: rc = %d\n",
mdt_obd_name(mdt), hal->hal_archive_id, rc);
*/
exp = cfs_hash_lookup(mdt2obd_dev(mdt)->obd_uuid_hash, &uuid);
if (exp == NULL || exp->exp_disconnected) {
+ if (exp != NULL)
+ class_export_put(exp);
/* This should clean up agents on evicted exports */
rc = -ENOENT;
CERROR("%s: agent uuid (%s) not found, unregistering:"