/**
* Wait for all queues to be empty
* and all current DB request to be done.
*/
int handlemap_db_flush()
{
unsigned int i;
struct timeval t1;
struct timeval t2;
struct timeval tdiff;
unsigned int to_sync = 0;
for (i = 0; i < nb_db_threads; i++)
to_sync += db_thread[i].work_queue.nb_waiting;
LogEvent(COMPONENT_FSAL,
"Waiting for database synchronization (%u operations pending)",
to_sync);
gettimeofday(&t1, NULL);
/* wait for all threads to finish their job */
for (i = 0; i < nb_db_threads; i++)
wait_thread_jobs_finished(&db_thread[i]);
gettimeofday(&t2, NULL);
timersub(&t2, &t1, &tdiff);
LogEvent(COMPONENT_FSAL, "Database synchronized in %d.%06ds",
(int)tdiff.tv_sec, (int)tdiff.tv_usec);
return HANDLEMAP_SUCCESS;
}
/**
* Gives the order to each DB thread to reload
* the content of its database and insert it
* to the hash table.
* The function blocks until all threads have loaded their data.
*/
int handlemap_db_reaload_all(hash_table_t * target_hash)
{
unsigned int i;
db_op_item_t *new_task;
int rc;
/* give the job to all threads */
for(i = 0; i < nb_db_threads; i++)
{
/* get a new db operation */
P(db_thread[i].pool_mutex);
new_task = pool_alloc(&db_thread[i].dbop_pool, NULL);
V(db_thread[i].pool_mutex);
if(!new_task)
return HANDLEMAP_SYSTEM_ERROR;
/* can you fill it ? */
new_task->op_type = LOAD;
new_task->op_arg.hash = target_hash;
rc = dbop_push(&db_thread[i].work_queue, new_task);
if(rc)
return rc;
}
/* wait for all threads to finish their job */
for(i = 0; i < nb_db_threads; i++)
{
wait_thread_jobs_finished(&db_thread[i]);
}
return HANDLEMAP_SUCCESS;
} /* handlemap_db_reaload_all */