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[SCSI] libiscsi: pass opcode into alloc_pdu callout

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We do not need to allocate a itt for data_out, so this
passes the opcode to the alloc_pdu callout.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Mike Christie
2008-12-02 00:32:14 -06:00
committed by James Bottomley
parent 262ef63627
commit 2ff79d52d5
5 changed files with 11 additions and 11 deletions
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14
drivers/scsi/libiscsi.c
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@@ -225,13 +225,18 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_task *task)
itt_t itt;
int rc;
rc = conn->session->tt->alloc_pdu(task);
rc = conn->session->tt->alloc_pdu(task, ISCSI_OP_SCSI_CMD);
if (rc)
return rc;
hdr = (struct iscsi_cmd *) task->hdr;
itt = hdr->itt;
memset(hdr, 0, sizeof(*hdr));
if (session->tt->parse_pdu_itt)
hdr->itt = task->hdr_itt = itt;
else
hdr->itt = task->hdr_itt = build_itt(task->itt,
task->conn->session->age);
task->hdr_len = 0;
rc = iscsi_add_hdr(task, sizeof(*hdr));
if (rc)
@@ -240,11 +245,6 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_task *task)
hdr->flags = ISCSI_ATTR_SIMPLE;
int_to_scsilun(sc->device->lun, (struct scsi_lun *)hdr->lun);
memcpy(task->lun, hdr->lun, sizeof(task->lun));
if (session->tt->parse_pdu_itt)
hdr->itt = task->hdr_itt = itt;
else
hdr->itt = task->hdr_itt = build_itt(task->itt,
task->conn->session->age);
hdr->cmdsn = task->cmdsn = cpu_to_be32(session->cmdsn);
session->cmdsn++;
hdr->exp_statsn = cpu_to_be32(conn->exp_statsn);
@@ -532,7 +532,7 @@ __iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
} else
task->data_count = 0;
if (conn->session->tt->alloc_pdu(task)) {
if (conn->session->tt->alloc_pdu(task, hdr->opcode)) {
iscsi_conn_printk(KERN_ERR, conn, "Could not allocate "
"pdu for mgmt task.\n");
goto requeue_task;