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Reserved commands will be used by SCSI LLDs for submitting internal commands. Since the SCSI host, target and device limits do not apply to the reserved command use cases, bypass the SCSI host limit checks for reserved commands. Introduce the .queue_reserved_command() callback for reserved commands. Additionally, do not activate the SCSI error handler if a reserved command fails such that reserved commands can be submitted from inside the SCSI error handler. [ bvanassche: modified patch title and patch description. Renamed .reserved_queuecommand() into .queue_reserved_command(). Changed the second argument of __blk_mq_end_request() from 0 into error code in the completion path if cmd->result != 0. Rewrote the scsi_queue_rq() changes. See also https://lore.kernel.org/linux-scsi/1666693096-180008-5-git-send-email-john.garry@huawei.com/ ] Cc: Hannes Reinecke <hare@suse.de> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Hannes Reinecke <hare@suse.de> Link: https://patch.msgid.link/20251031204029.2883185-6-bvanassche@acm.org Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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| .. | ||
| fc | ||
| fc_frame.h | ||
| fcoe_sysfs.h | ||
| iscsi_if.h | ||
| iscsi_proto.h | ||
| iser.h | ||
| libfc.h | ||
| libfcoe.h | ||
| libiscsi.h | ||
| libiscsi_tcp.h | ||
| libsas.h | ||
| sas.h | ||
| sas_ata.h | ||
| scsi.h | ||
| scsi_bsg_iscsi.h | ||
| scsi_cmnd.h | ||
| scsi_common.h | ||
| scsi_dbg.h | ||
| scsi_device.h | ||
| scsi_devinfo.h | ||
| scsi_dh.h | ||
| scsi_driver.h | ||
| scsi_eh.h | ||
| scsi_host.h | ||
| scsi_ioctl.h | ||
| scsi_proto.h | ||
| scsi_status.h | ||
| scsi_tcq.h | ||
| scsi_transport.h | ||
| scsi_transport_fc.h | ||
| scsi_transport_iscsi.h | ||
| scsi_transport_sas.h | ||
| scsi_transport_spi.h | ||
| scsi_transport_srp.h | ||
| scsicam.h | ||
| sg.h | ||
| srp.h | ||
| viosrp.h | ||