drivers/scsi/scsi_lib.c

81 	struct Scsi_Host *host = cmd->device->host;
86 	 * Set the appropriate busy bit for the device/host.
88 	 * If the host/device isn't busy, assume that something actually
91 	 * Note that the prior mid-layer assumption that any host could
96 	 * either for the device or for the host.
100 		atomic_set(&host->host_blocked, host->max_host_blocked);
126 	if (!scsi_host_in_recovery(cmd->device->host))
153 	 * active on the host/device.
167 			       !scsi_host_in_recovery(cmd->device->host));
175  * We do this for one of two cases. Either the host is busy and it cannot accept
359  * handler is not woken up if host in-flight requests number ==
385 	struct Scsi_Host *shost = sdev->host;
418 	struct Scsi_Host *shost = current_sdev->host;
506 		 * Once we drop the host lock, a racing scsi_remove_device()
510 		 * host lock.  Note: if __scsi_remove_device() invokes
542 	if (!list_empty(&sdev->host->starved_list))
543 		scsi_starved_list_run(sdev->host);
596 	if (scsi_host_in_recovery(sdev->host))
600 	    !list_empty(&sdev->host->starved_list)) {
682 	 * Check the scsi-ml byte first in case we converted a host or status
1095 	       sdev->host->hostt->dma_need_drain(rq);
1445 				     "unblocking host at zero depth\n"));
1493 	shost = sdev->host;
1496 	 * Ignore host/starget busy state.
1498 	 * multiple queues, congestion of host/starget needs to be handled
1553 	struct Scsi_Host *host = cmd->device->host;
1591 	 * length exceeds what the host adapter can handle.
1593 	if (cmd->cmd_len > cmd->device->host->max_cmd_len) {
1596 			       "cdb_size=%d host->max_cmd_len=%d\n",
1597 			       cmd->cmd_len, cmd->device->host->max_cmd_len));
1602 	if (unlikely(host->shost_state == SHOST_DEL)) {
1609 	rtn = host->hostt->queuecommand(host, cmd);
1638 	struct Scsi_Host *shost = sdev->host;
1803 	struct Scsi_Host *shost = sdev->host;
2120  * @shost:  host in question
2134  * @shost:  host in question
3045  * host and wait until pending scsi_queue_rq() calls have finished.