2016-11-14 19:35 GMT+01:00 Bart Van Assche <bart.vanassche@xxxxxxxxxxx>: > On 11/12/2016 09:47 PM, James Bottomley wrote: >> >> On Fri, 2016-11-11 at 16:38 -0800, Bart Van Assche wrote: >>> >>> Hello James and Martin, >>> >>> This short patch series fixes a deadlock that I ran into for the >>> first time several months ago but for which I had not yet had the >>> time to post a fix. As usual, feedback is appreciated. >> >> >> First question would be why do we need to push highly dm specific >> knowledge into block, like REQ_FAIL_IF_NO_PATH. Can't we just use >> REQ_FAILFAST_X for this? >> >> Also, I don't quite understand how you've configured multipath >> underneath SCSI. I thought dm-mp always went on top? > > > Hello James, > > dm-multipath was running on top of SCSI in my setup which means that at > least the patch description is wrong. Since it was some time ago that I ran > into this deadlock, I will check first whether I can still reproduce it. > > Bart. Hi Bart, I suspect we run into same bug you were trying to fix in this patch set. we're running in v4.4.50 I was trying to reproduce it, but no lucky yet, do you still have your reproducer? Thanks, Jack > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-scsi" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html
