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[SCSI] libiscsi: have iscsi_data_in_rsp call iscsi_update_cmdsn 

This has iscsi_data_in_rsp call iscsi_update_cmdsn when a pdu is
completed like is done for other pdu's that are don.

For libiscsi_tcp, this means that it calls iscsi_update_cmdsn when
it is handling the pdu internally to only transfer data, but if there is
status then it does not need to call it since the completion handling
will do it.

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 2009-05-13 17:57:42 -05:00 committed by James Bottomley
parent 8f9256cea1
commit edbc9aa058
2 changed files with 8 additions and 1 deletions
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1
drivers/scsi/libiscsi.c
View File

@ -729,6 +729,7 @@ iscsi_data_in_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
if (!(rhdr->flags & ISCSI_FLAG_DATA_STATUS))
return;
iscsi_update_cmdsn(conn->session, (struct iscsi_nopin *)hdr);
sc->result = (DID_OK << 16) | rhdr->cmd_status;
conn->exp_statsn = be32_to_cpu(rhdr->statsn) + 1;
if (rhdr->flags & (ISCSI_FLAG_DATA_UNDERFLOW |

8
drivers/scsi/libiscsi_tcp.c
View File

@ -473,7 +473,13 @@ static int iscsi_tcp_data_in(struct iscsi_conn *conn, struct iscsi_task *task)
int datasn = be32_to_cpu(rhdr->datasn);
unsigned total_in_length = scsi_in(task->sc)->length;
iscsi_update_cmdsn(conn->session, (struct iscsi_nopin*)rhdr);
/*
* lib iscsi will update this in the completion handling if there
* is status.
*/
if (!(rhdr->flags & ISCSI_FLAG_DATA_STATUS))
iscsi_update_cmdsn(conn->session, (struct iscsi_nopin*)rhdr);
if (tcp_conn->in.datalen == 0)
return 0;