drivers/scsi/scsi_lib.c

139  * for a requeue after completion, which should only occur in this
159 	 * Requeue this command.  It will go before all other commands
175  * We do this for one of two cases. Either the host is busy and it cannot accept
361  * with an RCU read lock in this function to ensure that this function in
511 		 * blk_mq_destroy_queue() before the queue is run from this
748 	/* this could lead to infinite loop */
823 			 * command.  The only thing this should be
1065 	 * to retry code. Fast path should return in this block.
1125 	 * max_hw_segments to be prepared for this.
1567 	/* Check to see if the scsi lld made this device blocked. */
1590 	 * Before we queue this command, check if the command
1748  * may prove this needs changing.
1770 	 * If all in-flight requests originated from this LUN are completed
1772 	 * zero, then blk_mq_delay_run_hw_queues() will dispatch this request
1775 	 * this request, see scsi_end_request().
1887 		 * we hit an error, as we will never see this command
2139  * won't require wholesale changes to drivers that use this feature.
2327 				 * MODE SENSE(6) if this was a MODE SENSE(10)
2602 		struct list_head *this, *tmp;
2612 		list_for_each_safe(this, tmp, &event_list) {
2613 			evt = list_entry(this, struct scsi_event, node);
2633 	/* FIXME: currently this check eliminates all media change events
2712  *	(which must be a legal transition).  When the device is in this
2742 	 * unfreeze even if the queue was already frozen before this function
2848  * a legal transition). When the device is in this state, command processing
2858 	 * block layer from calling the midlayer with this device's
2873  * until all ongoing scsi_queue_rq() calls have finished after this function
2878  * a legal transition). When the device is in this state, command processing
2917  * to goose the queue for this device.
2970  * to goose the queue for this device.
2996  * @shost: the Scsi_Host to which this device belongs
3127 	/* Offset starting from the beginning of first page in this sg-entry */
3134 	/* Bytes in this sg-entry from *offset to the end of the page */