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authorMike Christie <michaelc@cs.wisc.edu>2009-05-13 17:57:42 -0500
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2009-05-23 15:44:10 -0500
commitedbc9aa0580c0aca96ac8d11bfb2defa81d91bb3 (patch)
treec8ee53b24f853af3352083c0a6e0412ca5d407a2 /drivers/scsi/libiscsi_tcp.c
parent8f9256cea10ca43ac80f66e176643eb41db34244 (diff)
[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>
Diffstat (limited to 'drivers/scsi/libiscsi_tcp.c')
-rw-r--r--drivers/scsi/libiscsi_tcp.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c
index b579ca9f483..db93cd0dfdb 100644
--- a/drivers/scsi/libiscsi_tcp.c
+++ b/drivers/scsi/libiscsi_tcp.c
@@ -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;