scsi: core: add scsi_host_busy_iter()

				&status);

}

EXPORT_SYMBOL_GPL(scsi_host_complete_all_commands);

struct scsi_host_busy_iter_data {

	bool (*fn)(struct scsi_cmnd *, void *, bool);

	void *priv;

};

static bool __scsi_host_busy_iter_fn(struct request *req, void *priv,

				   bool reserved)

{

	struct scsi_host_busy_iter_data *iter_data = priv;

	struct scsi_cmnd *sc = blk_mq_rq_to_pdu(req);

	return iter_data->fn(sc, iter_data->priv, reserved);

}

/**

 * scsi_host_busy_iter - Iterate over all busy commands

 * @shost:	Pointer to Scsi_Host.

 * @fn:		Function to call on each busy command

 * @priv:	Data pointer passed to @fn

 *

 * If locking against concurrent command completions is required

 * ithas to be provided by the caller

 **/

void scsi_host_busy_iter(struct Scsi_Host *shost,

			 bool (*fn)(struct scsi_cmnd *, void *, bool),

			 void *priv)

{

	struct scsi_host_busy_iter_data iter_data = {

		.fn = fn,

		.priv = priv,

	};

	blk_mq_tagset_busy_iter(&shost->tag_set, __scsi_host_busy_iter_fn,

				&iter_data);

}

EXPORT_SYMBOL_GPL(scsi_host_busy_iter);

extern int scsi_host_block(struct Scsi_Host *shost);

extern int scsi_host_unblock(struct Scsi_Host *shost, int new_state);

void scsi_host_busy_iter(struct Scsi_Host *,

			 bool (*fn)(struct scsi_cmnd *, void *, bool), void *priv);

struct class_container;

/*