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lib/iscsi: Move get_scsi_task_from_itt/ttt() down in the file

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Move get_scsi_task_from_ttt() and get_scsi_task_from_itt() down
in the file close to the location that uses them.

Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I5218eac3fda85e238d40eed7282d126ebe81c16b
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/470267
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Shuhei Matsumoto 2019-10-03 09:16:25 +09:00 committed by Changpeng Liu
parent c9e90fd05e
commit 058b13081e
1 changed files with 41 additions and 41 deletions
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82
lib/iscsi/iscsi.c
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@ -3060,47 +3060,6 @@ void spdk_clear_all_transfer_task(struct spdk_iscsi_conn *conn,
start_queued_transfer_tasks(conn);
}
/* This function returns the spdk_scsi_task by searching the snack list via
* task transfertag and the pdu's opcode
*/
static struct spdk_iscsi_task *
get_scsi_task_from_ttt(struct spdk_iscsi_conn *conn, uint32_t transfer_tag)
{
struct spdk_iscsi_pdu *pdu;
struct iscsi_bhs_data_in *datain_bhs;
TAILQ_FOREACH(pdu, &conn->snack_pdu_list, tailq) {
if (pdu->bhs.opcode == ISCSI_OP_SCSI_DATAIN) {
datain_bhs = (struct iscsi_bhs_data_in *)&pdu->bhs;
if (from_be32(&datain_bhs->ttt) == transfer_tag) {
return pdu->task;
}
}
}
return NULL;
}
/* This function returns the spdk_scsi_task by searching the snack list via
* initiator task tag and the pdu's opcode
*/
static struct spdk_iscsi_task *
get_scsi_task_from_itt(struct spdk_iscsi_conn *conn,
uint32_t task_tag, enum iscsi_op opcode)
{
struct spdk_iscsi_pdu *pdu;
TAILQ_FOREACH(pdu, &conn->snack_pdu_list, tailq) {
if (pdu->bhs.opcode == opcode &&
pdu->task != NULL &&
pdu->task->tag == task_tag) {
return pdu->task;
}
}
return NULL;
}
static int
iscsi_send_datain(struct spdk_iscsi_conn *conn,
struct spdk_iscsi_task *task, int datain_flag,
@ -4140,6 +4099,47 @@ iscsi_op_nopout(struct spdk_iscsi_conn *conn, struct spdk_iscsi_pdu *pdu)
return 0;
}
/* This function returns the spdk_scsi_task by searching the snack list via
* task transfertag and the pdu's opcode
*/
static struct spdk_iscsi_task *
get_scsi_task_from_ttt(struct spdk_iscsi_conn *conn, uint32_t transfer_tag)
{
struct spdk_iscsi_pdu *pdu;
struct iscsi_bhs_data_in *datain_bhs;
TAILQ_FOREACH(pdu, &conn->snack_pdu_list, tailq) {
if (pdu->bhs.opcode == ISCSI_OP_SCSI_DATAIN) {
datain_bhs = (struct iscsi_bhs_data_in *)&pdu->bhs;
if (from_be32(&datain_bhs->ttt) == transfer_tag) {
return pdu->task;
}
}
}
return NULL;
}
/* This function returns the spdk_scsi_task by searching the snack list via
* initiator task tag and the pdu's opcode
*/
static struct spdk_iscsi_task *
get_scsi_task_from_itt(struct spdk_iscsi_conn *conn,
uint32_t task_tag, enum iscsi_op opcode)
{
struct spdk_iscsi_pdu *pdu;
TAILQ_FOREACH(pdu, &conn->snack_pdu_list, tailq) {
if (pdu->bhs.opcode == opcode &&
pdu->task != NULL &&
pdu->task->tag == task_tag) {
return pdu->task;
}
}
return NULL;
}
/* This function is used to handle the r2t snack */
static int
iscsi_handle_r2t_snack(struct spdk_iscsi_conn *conn,