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socket: set expstatsn when we put the PDU on the wire

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Signed-off-by: Peter Lieven <pl@kamp.de>
This commit is contained in:
Peter Lieven
2015-03-30 08:44:50 +02:00
parent 47e2b8918e
commit 37f908bb8a
4 changed files with 5 additions and 15 deletions
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6
lib/iscsi-command.c
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@@ -115,9 +115,6 @@ iscsi_send_data_out(struct iscsi_context *iscsi, struct iscsi_pdu *cmd_pdu,
/* ttt */
iscsi_pdu_set_ttt(pdu, ttt);
/* exp statsn */
iscsi_pdu_set_expstatsn(pdu, iscsi->statsn+1);
/* data sn */
iscsi_pdu_set_datasn(pdu, cmd_pdu->datasn++);
@@ -309,9 +306,6 @@ iscsi_scsi_command_async(struct iscsi_context *iscsi, int lun,
pdu->cmdsn = iscsi->cmdsn;
iscsi->cmdsn++;
/* exp statsn */
iscsi_pdu_set_expstatsn(pdu, iscsi->statsn+1);
/* cdb */
iscsi_pdu_set_cdb(pdu, task);

3
lib/login.c
View File

@@ -1269,9 +1269,6 @@ iscsi_logout_async(struct iscsi_context *iscsi, iscsi_command_cb cb,
iscsi_pdu_set_cmdsn(pdu, iscsi->cmdsn);
pdu->cmdsn = iscsi->cmdsn;
/* exp statsn */
iscsi_pdu_set_expstatsn(pdu, iscsi->statsn+1);
pdu->callback = cb;
pdu->private_data = private_data;

6
lib/nop.c
View File

@@ -58,9 +58,6 @@ iscsi_nop_out_async(struct iscsi_context *iscsi, iscsi_command_cb cb,
iscsi_pdu_set_cmdsn(pdu, iscsi->cmdsn);
pdu->cmdsn = iscsi->cmdsn++;
/* exp statsn */
iscsi_pdu_set_expstatsn(pdu, iscsi->statsn + 1);
pdu->callback = cb;
pdu->private_data = private_data;
@@ -117,9 +114,6 @@ iscsi_send_target_nop_out(struct iscsi_context *iscsi, uint32_t ttt)
iscsi_pdu_set_cmdsn(pdu, iscsi->cmdsn);
pdu->cmdsn = iscsi->cmdsn;
/* exp statsn */
iscsi_pdu_set_expstatsn(pdu, iscsi->statsn+1);
if (iscsi_queue_pdu(iscsi, pdu) != 0) {
iscsi_set_error(iscsi, "failed to queue iscsi nop-out pdu");
iscsi_free_pdu(iscsi, pdu);

5
lib/socket.c
View File

@@ -649,6 +649,7 @@ iscsi_write_to_socket(struct iscsi_context *iscsi)
iscsi->outqueue->cmdsn, iscsi->maxcmdsn);
return 0;
}
/* pop first element of the outqueue */
if (iscsi_serial32_compare(iscsi->outqueue->cmdsn, iscsi->expcmdsn) < 0 &&
(iscsi->outqueue->outdata.data[0] & 0x3f) != ISCSI_PDU_DATA_OUT) {
@@ -657,6 +658,10 @@ iscsi_write_to_socket(struct iscsi_context *iscsi)
return -1;
}
iscsi->outqueue_current = iscsi->outqueue;
/* set exp statsn */
iscsi_pdu_set_expstatsn(iscsi->outqueue_current, iscsi->statsn + 1);
ISCSI_LIST_REMOVE(&iscsi->outqueue, iscsi->outqueue_current);
if (!(iscsi->outqueue_current->flags & ISCSI_PDU_DELETE_WHEN_SENT)) {
/* we have to add the pdu to the waitqueue already here