scsi.c (accba5f3965d6a9d1bf7c1e1a7995d17e9d521b6) scsi.c (f0c0a376d0fcd4c5579ecf5e95f88387cba85211)
1/*
2 * scsi.c Copyright (C) 1992 Drew Eckhardt
3 * Copyright (C) 1993, 1994, 1995, 1999 Eric Youngdale
4 * Copyright (C) 2002, 2003 Christoph Hellwig
5 *
6 * generic mid-level SCSI driver
7 * Initial versions: Drew Eckhardt
8 * Subsequent revisions: Eric Youngdale

--- 740 unchanged lines hidden (view full) ---

749 if (unlikely(host->shost_state == SHOST_DEL)) {
750 cmd->result = (DID_NO_CONNECT << 16);
751 scsi_done(cmd);
752 } else {
753 rtn = host->hostt->queuecommand(cmd, scsi_done);
754 }
755 spin_unlock_irqrestore(host->host_lock, flags);
756 if (rtn) {
1/*
2 * scsi.c Copyright (C) 1992 Drew Eckhardt
3 * Copyright (C) 1993, 1994, 1995, 1999 Eric Youngdale
4 * Copyright (C) 2002, 2003 Christoph Hellwig
5 *
6 * generic mid-level SCSI driver
7 * Initial versions: Drew Eckhardt
8 * Subsequent revisions: Eric Youngdale

--- 740 unchanged lines hidden (view full) ---

749 if (unlikely(host->shost_state == SHOST_DEL)) {
750 cmd->result = (DID_NO_CONNECT << 16);
751 scsi_done(cmd);
752 } else {
753 rtn = host->hostt->queuecommand(cmd, scsi_done);
754 }
755 spin_unlock_irqrestore(host->host_lock, flags);
756 if (rtn) {
757 scsi_queue_insert(cmd, (rtn == SCSI_MLQUEUE_DEVICE_BUSY) ?
758 rtn : SCSI_MLQUEUE_HOST_BUSY);
757 if (rtn != SCSI_MLQUEUE_DEVICE_BUSY &&
758 rtn != SCSI_MLQUEUE_TARGET_BUSY)
759 rtn = SCSI_MLQUEUE_HOST_BUSY;
760
761 scsi_queue_insert(cmd, rtn);
762
759 SCSI_LOG_MLQUEUE(3,
760 printk("queuecommand : request rejected\n"));
761 }
762
763 out:
764 SCSI_LOG_MLQUEUE(3, printk("leaving scsi_dispatch_cmnd()\n"));
765 return rtn;
766}

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795 *
796 * Description: Pass command off to upper layer for finishing of I/O
797 * request, waking processes that are waiting on results,
798 * etc.
799 */
800void scsi_finish_command(struct scsi_cmnd *cmd)
801{
802 struct scsi_device *sdev = cmd->device;
763 SCSI_LOG_MLQUEUE(3,
764 printk("queuecommand : request rejected\n"));
765 }
766
767 out:
768 SCSI_LOG_MLQUEUE(3, printk("leaving scsi_dispatch_cmnd()\n"));
769 return rtn;
770}

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799 *
800 * Description: Pass command off to upper layer for finishing of I/O
801 * request, waking processes that are waiting on results,
802 * etc.
803 */
804void scsi_finish_command(struct scsi_cmnd *cmd)
805{
806 struct scsi_device *sdev = cmd->device;
807 struct scsi_target *starget = scsi_target(sdev);
803 struct Scsi_Host *shost = sdev->host;
804 struct scsi_driver *drv;
805 unsigned int good_bytes;
806
807 scsi_device_unbusy(sdev);
808
809 /*
810 * Clear the flags which say that the device/host is no longer
811 * capable of accepting new commands. These are set in scsi_queue.c
812 * for both the queue full condition on a device, and for a
813 * host full condition on the host.
814 *
815 * XXX(hch): What about locking?
816 */
817 shost->host_blocked = 0;
808 struct Scsi_Host *shost = sdev->host;
809 struct scsi_driver *drv;
810 unsigned int good_bytes;
811
812 scsi_device_unbusy(sdev);
813
814 /*
815 * Clear the flags which say that the device/host is no longer
816 * capable of accepting new commands. These are set in scsi_queue.c
817 * for both the queue full condition on a device, and for a
818 * host full condition on the host.
819 *
820 * XXX(hch): What about locking?
821 */
822 shost->host_blocked = 0;
823 starget->target_blocked = 0;
818 sdev->device_blocked = 0;
819
820 /*
821 * If we have valid sense information, then some kind of recovery
822 * must have taken place. Make a note of this.
823 */
824 if (SCSI_SENSE_VALID(cmd))
825 cmd->result |= (DRIVER_SENSE << 24);

--- 436 unchanged lines hidden --- 		824 sdev->device_blocked = 0;
825
826 /*
827 * If we have valid sense information, then some kind of recovery
828 * must have taken place. Make a note of this.
829 */
830 if (SCSI_SENSE_VALID(cmd))
831 cmd->result |= (DRIVER_SENSE << 24);

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