137 	struct scsi_host_cmd_pool *pool = shost->cmd_pool;  in scsi_host_free_command()  local
141 	kmem_cache_free(pool->sense_slab, cmd->sense_buffer);  in scsi_host_free_command()
142 	kmem_cache_free(pool->cmd_slab, cmd);  in scsi_host_free_command()
156 	struct scsi_host_cmd_pool *pool = shost->cmd_pool;  in scsi_host_alloc_command()  local
159 	cmd = kmem_cache_zalloc(pool->cmd_slab, gfp_mask | pool->gfp_mask);  in scsi_host_alloc_command()
163 	cmd->sense_buffer = kmem_cache_alloc(pool->sense_slab,  in scsi_host_alloc_command()
164 					     gfp_mask | pool->gfp_mask);  in scsi_host_alloc_command()
177 	kmem_cache_free(pool->sense_slab, cmd->sense_buffer);  in scsi_host_alloc_command()
179 	kmem_cache_free(pool->cmd_slab, cmd);  in scsi_host_alloc_command()
305 scsi_free_host_cmd_pool(struct scsi_host_cmd_pool *pool)  in scsi_free_host_cmd_pool()  argument
307 	kfree(pool->sense_name);  in scsi_free_host_cmd_pool()
308 	kfree(pool->cmd_name);  in scsi_free_host_cmd_pool()
309 	kfree(pool);  in scsi_free_host_cmd_pool()
316 	struct scsi_host_cmd_pool *pool;  in scsi_alloc_host_cmd_pool()  local
318 	pool = kzalloc(sizeof(*pool), GFP_KERNEL);  in scsi_alloc_host_cmd_pool()
319 	if (!pool)  in scsi_alloc_host_cmd_pool()
322 	pool->cmd_name = kasprintf(GFP_KERNEL, "%s_cmd", hostt->proc_name);  in scsi_alloc_host_cmd_pool()
323 	pool->sense_name = kasprintf(GFP_KERNEL, "%s_sense", hostt->proc_name);  in scsi_alloc_host_cmd_pool()
324 	if (!pool->cmd_name || !pool->sense_name) {  in scsi_alloc_host_cmd_pool()
325 		scsi_free_host_cmd_pool(pool);  in scsi_alloc_host_cmd_pool()
329 	pool->slab_flags = SLAB_HWCACHE_ALIGN;  in scsi_alloc_host_cmd_pool()
331 		pool->slab_flags |= SLAB_CACHE_DMA;  in scsi_alloc_host_cmd_pool()
332 		pool->gfp_mask = __GFP_DMA;  in scsi_alloc_host_cmd_pool()
336 		hostt->cmd_pool = pool;  in scsi_alloc_host_cmd_pool()
338 	return pool;  in scsi_alloc_host_cmd_pool()
345 	struct scsi_host_cmd_pool *retval = NULL, *pool;  in scsi_get_host_cmd_pool()  local
353 	pool = scsi_find_host_cmd_pool(shost);  in scsi_get_host_cmd_pool()
354 	if (!pool) {  in scsi_get_host_cmd_pool()
355 		pool = scsi_alloc_host_cmd_pool(shost);  in scsi_get_host_cmd_pool()
356 		if (!pool)  in scsi_get_host_cmd_pool()
360 	if (!pool->users) {  in scsi_get_host_cmd_pool()
361 		pool->cmd_slab = kmem_cache_create(pool->cmd_name, cmd_size, 0,  in scsi_get_host_cmd_pool()
362 						   pool->slab_flags, NULL);  in scsi_get_host_cmd_pool()
363 		if (!pool->cmd_slab)  in scsi_get_host_cmd_pool()
366 		pool->sense_slab = kmem_cache_create(pool->sense_name,  in scsi_get_host_cmd_pool()
368 						     pool->slab_flags, NULL);  in scsi_get_host_cmd_pool()
369 		if (!pool->sense_slab)  in scsi_get_host_cmd_pool()
373 	pool->users++;  in scsi_get_host_cmd_pool()
374 	retval = pool;  in scsi_get_host_cmd_pool()
380 	kmem_cache_destroy(pool->cmd_slab);  in scsi_get_host_cmd_pool()
383 		scsi_free_host_cmd_pool(pool);  in scsi_get_host_cmd_pool()
392 	struct scsi_host_cmd_pool *pool;  in scsi_put_host_cmd_pool()  local
395 	pool = scsi_find_host_cmd_pool(shost);  in scsi_put_host_cmd_pool()
402 	BUG_ON(pool->users == 0);  in scsi_put_host_cmd_pool()
404 	if (!--pool->users) {  in scsi_put_host_cmd_pool()
405 		kmem_cache_destroy(pool->cmd_slab);  in scsi_put_host_cmd_pool()
406 		kmem_cache_destroy(pool->sense_slab);  in scsi_put_host_cmd_pool()
408 			scsi_free_host_cmd_pool(pool);  in scsi_put_host_cmd_pool()