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Move cancel_task and cancel_all_tasks from scsi-lowlevel.c to scsi-command.c

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These two functions belong in the iscsi layer, not the scsi layer so move them
out from scsi-lowlevel.c so that we can start turning scsi-lowlevel.c to a pure
scsi layer and remove all dependencies to iscsi from it.
This commit is contained in:
Ronnie Sahlberg
2012-11-11 09:44:11 -08:00
parent 49af416f47
commit 3b05e9996f
6 changed files with 59 additions and 62 deletions
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54
lib/scsi-command.c
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@@ -1568,3 +1568,57 @@ iscsi_scsi_get_task_from_pdu(struct iscsi_pdu *pdu)
{
return pdu->scsi_cbdata->task;
}
int
iscsi_scsi_cancel_task(struct iscsi_context *iscsi,
struct scsi_task *task)
{
struct iscsi_pdu *pdu;
for (pdu = iscsi->waitpdu; pdu; pdu = pdu->next) {
if (pdu->itt == task->itt) {
SLIST_REMOVE(&iscsi->waitpdu, pdu);
if ( !(pdu->flags & ISCSI_PDU_NO_CALLBACK)) {
pdu->callback(iscsi, SCSI_STATUS_CANCELLED, NULL,
pdu->private_data);
}
iscsi_free_pdu(iscsi, pdu);
return 0;
}
}
for (pdu = iscsi->outqueue; pdu; pdu = pdu->next) {
if (pdu->itt == task->itt) {
SLIST_REMOVE(&iscsi->outqueue, pdu);
if ( !(pdu->flags & ISCSI_PDU_NO_CALLBACK)) {
pdu->callback(iscsi, SCSI_STATUS_CANCELLED, NULL,
pdu->private_data);
}
iscsi_free_pdu(iscsi, pdu);
return 0;
}
}
return -1;
}
void
iscsi_scsi_cancel_all_tasks(struct iscsi_context *iscsi)
{
struct iscsi_pdu *pdu;
for (pdu = iscsi->waitpdu; pdu; pdu = pdu->next) {
SLIST_REMOVE(&iscsi->waitpdu, pdu);
if ( !(pdu->flags & ISCSI_PDU_NO_CALLBACK)) {
pdu->callback(iscsi, SCSI_STATUS_CANCELLED, NULL,
pdu->private_data);
}
iscsi_free_pdu(iscsi, pdu);
}
for (pdu = iscsi->outqueue; pdu; pdu = pdu->next) {
SLIST_REMOVE(&iscsi->outqueue, pdu);
if ( !(pdu->flags & ISCSI_PDU_NO_CALLBACK)) {
pdu->callback(iscsi, SCSI_STATUS_CANCELLED, NULL,
pdu->private_data);
}
iscsi_free_pdu(iscsi, pdu);
}
}