Re: iscsi_trx going into D state

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Do you want me to try this patch or wait for some of the suggestions
Christoph brought up to be Incorporated?
----------------
Robert LeBlanc
PGP Fingerprint 79A2 9CA4 6CC4 45DD A904  C70E E654 3BB2 FA62 B9F1


On Tue, Oct 4, 2016 at 5:46 AM, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:
> On Tue, Oct 04, 2016 at 11:11:18AM +0200, Hannes Reinecke wrote:
>> Hmm. Looking at the code it looks as we might miss some calls to
>> 'complete'. Can you try with the attached patch?
>
> That only looks slightly better than the original.  What this really
> needs is a waitqueue and and waitevent on sess->ncon.  Although
> that will need a bit more refactoring around that code.  There also
> are a few more ovbious issues around it, e.g. iscsit_close_connection
> needs to use atomic_dec_and_test on sess->nconn instead of having
> separate atomic_dec and atomic_read calls, and a lot of the 0 or 1
> atomic_ts in this code should be replaced with atomic bitops.
>
> Btw, there also was a fix from Lee in this area that added a missing
> wakeup, make sure your tree already has that.
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