tree 979395449d53d41bd22732a4be1387f9af73a994
parent be2df72e7ec5fa5e6e1ccccab6cef97ecbb9c191
author Mike Christie <michaelc@cs.wisc.edu> 1146617207 -0500
committer James Bottomley <jejb@mulgrave.il.steeleye.com> 1147274001 -0500

[SCSI] iscsi: increment expstatsn during login

debugged by Ming and Rohan:

The problem Ming and Rohan debugged was that during a normal session
login, open-iscsi is not incrementing the exp_statsn counter. It was
stuck at zero. From the RFC, it looks like if the login response PDU has
a successful status then we should be incrementing that value. Also from
the RFC, it looks like if when we drop a connection then reconnect, we
should be using the exp_statsn from the old connection in the next
relogin attempt.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>