ulp/srp/ib_srp.c

382  * srp_destroy_fr_pool() - free the resources owned by a pool
383  * @pool: Fast registration pool to be destroyed.
385 static void srp_destroy_fr_pool(struct srp_fr_pool *pool)
390 	if (!pool)
393 	for (i = 0, d = &pool->desc[0]; i < pool->size; i++, d++) {
397 	kfree(pool);
401  * srp_create_fr_pool() - allocate and initialize a pool for fast registration
411 	struct srp_fr_pool *pool;
420 	pool = kzalloc(struct_size(pool, desc, pool_size), GFP_KERNEL);
421 	if (!pool)
423 	pool->size = pool_size;
424 	pool->max_page_list_len = max_page_list_len;
425 	spin_lock_init(&pool->lock);
426 	INIT_LIST_HEAD(&pool->free_list);
433 	for (i = 0, d = &pool->desc[0]; i < pool->size; i++, d++) {
443 		list_add_tail(&d->entry, &pool->free_list);
447 	return pool;
450 	srp_destroy_fr_pool(pool);
453 	pool = ERR_PTR(ret);
459  * @pool: Pool to obtain descriptor from.
461 static struct srp_fr_desc *srp_fr_pool_get(struct srp_fr_pool *pool)
466 	spin_lock_irqsave(&pool->lock, flags);
467 	if (!list_empty(&pool->free_list)) {
468 		d = list_first_entry(&pool->free_list, typeof(*d), entry);
471 	spin_unlock_irqrestore(&pool->lock, flags);
478  * @pool: Pool the descriptor was allocated from.
485 static void srp_fr_pool_put(struct srp_fr_pool *pool, struct srp_fr_desc **desc,
491 	spin_lock_irqsave(&pool->lock, flags);
493 		list_add(&desc[i]->entry, &pool->free_list);
494 	spin_unlock_irqrestore(&pool->lock, flags);
590 				     "FR pool allocation failed (%d)\n", ret);
1807  * Return an IU and possible credit to the free pool
3760 		pr_warn("No MR pool and no external indirect descriptors, limiting sg_tablesize to cmd_sg_cnt\n");