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target: add SAM_STAT_BUSY sense reason

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Add SAM_STAT_BUSY sense_reason. The next patch will have
target_core_user return this value while it is temporarily
blocked and restarting.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Mike Christie 2017-12-19 04:03:55 -06:00 committed by Nicholas Bellinger
parent c1c390ba53
commit d120c7083f
2 changed files with 4 additions and 0 deletions
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3
drivers/target/target_core_transport.c
View File

@ -1774,6 +1774,9 @@ void transport_generic_request_failure(struct se_cmd *cmd,
case TCM_OUT_OF_RESOURCES: case TCM_OUT_OF_RESOURCES:
cmd->scsi_status = SAM_STAT_TASK_SET_FULL; cmd->scsi_status = SAM_STAT_TASK_SET_FULL;
goto queue_status; goto queue_status;
case TCM_LUN_BUSY:
cmd->scsi_status = SAM_STAT_BUSY;
goto queue_status;
case TCM_RESERVATION_CONFLICT: case TCM_RESERVATION_CONFLICT:
/* /*
* No SENSE Data payload for this case, set SCSI Status * No SENSE Data payload for this case, set SCSI Status

1
include/target/target_core_base.h
View File

@ -183,6 +183,7 @@ enum tcm_sense_reason_table {
TCM_TOO_MANY_SEGMENT_DESCS = R(0x1b), TCM_TOO_MANY_SEGMENT_DESCS = R(0x1b),
TCM_UNSUPPORTED_SEGMENT_DESC_TYPE_CODE = R(0x1c), TCM_UNSUPPORTED_SEGMENT_DESC_TYPE_CODE = R(0x1c),
TCM_INSUFFICIENT_REGISTRATION_RESOURCES = R(0x1d), TCM_INSUFFICIENT_REGISTRATION_RESOURCES = R(0x1d),
TCM_LUN_BUSY = R(0x1e),
#undef R #undef R
}; };