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target: go through normal processing for zero-length REQUEST_SENSE 

Now that spc_emulate_request_sense has been taught to process zero-length
REQUEST SENSE correctly, drop the special handling of unit attention
conditions from transport_generic_new_cmd.  However, for now REQUEST SENSE
will be the only command that goes through emulation for zero lengths.

(nab: Fix up zero-length check in transport_generic_new_cmd)

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Paolo Bonzini 2012-09-07 17:30:37 +02:00 committed by Nicholas Bellinger
parent 32a8811ff1
commit 6abbdf3836
1 changed files with 2 additions and 9 deletions
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11
drivers/target/target_core_transport.c
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@ -2306,20 +2306,13 @@ int transport_generic_new_cmd(struct se_cmd *cmd)
* away.
*/
if (!cmd->data_length &&
(cmd->se_dev->transport->transport_type != TRANSPORT_PLUGIN_PHBA_PDEV ||
cmd->t_task_cdb[0] == REPORT_LUNS) {
cmd->t_task_cdb[0] != REQUEST_SENSE &&
cmd->se_dev->transport->transport_type != TRANSPORT_PLUGIN_PHBA_PDEV) {
spin_lock_irq(&cmd->t_state_lock);
cmd->t_state = TRANSPORT_COMPLETE;
cmd->transport_state |= CMD_T_ACTIVE;
spin_unlock_irq(&cmd->t_state_lock);
if (cmd->t_task_cdb[0] == REQUEST_SENSE) {
u8 ua_asc = 0, ua_ascq = 0;
core_scsi3_ua_clear_for_request_sense(cmd,
&ua_asc, &ua_ascq);
}
INIT_WORK(&cmd->work, target_complete_ok_work);
queue_work(target_completion_wq, &cmd->work);
return 0;