Re: [PATCH v2 5/8] qla2xxx: added sess generations to detect RSCN update races

2015-07-27 Thread Hannes Reinecke
On 07/14/2015 10:00 PM, Himanshu Madhani wrote: > From: Alexei Potashnik > > RSCN processing in qla2xxx driver can run in parallel with ELS/IO > processing. As such the decision to remove disappeared fc port's > session could be stale, because a new login sequence has occurred > since and created

[PATCH v2 5/8] qla2xxx: added sess generations to detect RSCN update races

2015-07-14 Thread Himanshu Madhani
From: Alexei Potashnik RSCN processing in qla2xxx driver can run in parallel with ELS/IO processing. As such the decision to remove disappeared fc port's session could be stale, because a new login sequence has occurred since and created a brand new session. Previous mechanism of dealing with th