On 2016/6/2 10:37, Wei Fang wrote: > Hi, Kevin, > > On 2016/6/1 22:36, Kevin Groeneveld wrote: >>> Subject: [PATCH v2 1/2] scsi: fix race between simultaneous decrements of >>> ->host_failed >> >> I wonder if this could be related to >> http://www.spinics.net/lists/linux-scsi/msg86808.html? >> >> I never did get to the bottom of that. If I have time I hope to retest my >> scsi hang issue with this patch. >> > > The concurrently decrements of host_failed only lead to abnormal > of host_failed, host_busy will be zero after error handler, and > the result may be host_failed > host_busy forever. But in your > case, host_busy > host_failed, so I think it's not the same > case. I'm afraid that this patch can't fix your scsi hang issue.
Something wrong in my words. host_busy may not be zero after error handler, but the result is true that missing decrement of host_failed may lead to host_failed > host_busy. Thanks, Wei -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
