183 	struct scsi_host_cmd_pool *pool = shost->cmd_pool;  in scsi_host_free_command()  local
187 	kmem_cache_free(pool->sense_slab, cmd->sense_buffer);  in scsi_host_free_command()
188 	kmem_cache_free(pool->cmd_slab, cmd);  in scsi_host_free_command()
202 	struct scsi_host_cmd_pool *pool = shost->cmd_pool;  in scsi_host_alloc_command()  local
205 	cmd = kmem_cache_zalloc(pool->cmd_slab, gfp_mask | pool->gfp_mask);  in scsi_host_alloc_command()
209 	cmd->sense_buffer = kmem_cache_alloc(pool->sense_slab,  in scsi_host_alloc_command()
210 					     gfp_mask | pool->gfp_mask);  in scsi_host_alloc_command()
223 	kmem_cache_free(pool->sense_slab, cmd->sense_buffer);  in scsi_host_alloc_command()
225 	kmem_cache_free(pool->cmd_slab, cmd);  in scsi_host_alloc_command()
351 scsi_free_host_cmd_pool(struct scsi_host_cmd_pool *pool)  in scsi_free_host_cmd_pool()  argument
353 	kfree(pool->sense_name);  in scsi_free_host_cmd_pool()
354 	kfree(pool->cmd_name);  in scsi_free_host_cmd_pool()
355 	kfree(pool);  in scsi_free_host_cmd_pool()
362 	struct scsi_host_cmd_pool *pool;  in scsi_alloc_host_cmd_pool()  local
364 	pool = kzalloc(sizeof(*pool), GFP_KERNEL);  in scsi_alloc_host_cmd_pool()
365 	if (!pool)  in scsi_alloc_host_cmd_pool()
368 	pool->cmd_name = kasprintf(GFP_KERNEL, "%s_cmd", hostt->proc_name);  in scsi_alloc_host_cmd_pool()
369 	pool->sense_name = kasprintf(GFP_KERNEL, "%s_sense", hostt->proc_name);  in scsi_alloc_host_cmd_pool()
370 	if (!pool->cmd_name || !pool->sense_name) {  in scsi_alloc_host_cmd_pool()
371 		scsi_free_host_cmd_pool(pool);  in scsi_alloc_host_cmd_pool()
375 	pool->slab_flags = SLAB_HWCACHE_ALIGN;  in scsi_alloc_host_cmd_pool()
377 		pool->slab_flags |= SLAB_CACHE_DMA;  in scsi_alloc_host_cmd_pool()
378 		pool->gfp_mask = __GFP_DMA;  in scsi_alloc_host_cmd_pool()
382 		hostt->cmd_pool = pool;  in scsi_alloc_host_cmd_pool()
384 	return pool;  in scsi_alloc_host_cmd_pool()
391 	struct scsi_host_cmd_pool *retval = NULL, *pool;  in scsi_get_host_cmd_pool()  local
399 	pool = scsi_find_host_cmd_pool(shost);  in scsi_get_host_cmd_pool()
400 	if (!pool) {  in scsi_get_host_cmd_pool()
401 		pool = scsi_alloc_host_cmd_pool(shost);  in scsi_get_host_cmd_pool()
402 		if (!pool)  in scsi_get_host_cmd_pool()
406 	if (!pool->users) {  in scsi_get_host_cmd_pool()
407 		pool->cmd_slab = kmem_cache_create(pool->cmd_name, cmd_size, 0,  in scsi_get_host_cmd_pool()
408 						   pool->slab_flags, NULL);  in scsi_get_host_cmd_pool()
409 		if (!pool->cmd_slab)  in scsi_get_host_cmd_pool()
412 		pool->sense_slab = kmem_cache_create(pool->sense_name,  in scsi_get_host_cmd_pool()
414 						     pool->slab_flags, NULL);  in scsi_get_host_cmd_pool()
415 		if (!pool->sense_slab)  in scsi_get_host_cmd_pool()
419 	pool->users++;  in scsi_get_host_cmd_pool()
420 	retval = pool;  in scsi_get_host_cmd_pool()
426 	kmem_cache_destroy(pool->cmd_slab);  in scsi_get_host_cmd_pool()
429 		scsi_free_host_cmd_pool(pool);  in scsi_get_host_cmd_pool()
438 	struct scsi_host_cmd_pool *pool;  in scsi_put_host_cmd_pool()  local
441 	pool = scsi_find_host_cmd_pool(shost);  in scsi_put_host_cmd_pool()
448 	BUG_ON(pool->users == 0);  in scsi_put_host_cmd_pool()
450 	if (!--pool->users) {  in scsi_put_host_cmd_pool()
451 		kmem_cache_destroy(pool->cmd_slab);  in scsi_put_host_cmd_pool()
452 		kmem_cache_destroy(pool->sense_slab);  in scsi_put_host_cmd_pool()
454 			scsi_free_host_cmd_pool(pool);  in scsi_put_host_cmd_pool()