| To: | Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: Kernel 2.6.30.4 loop(..?) regression (& with/2.6.31-rc6) |
| From: | Christoph Hellwig <hch@xxxxxxxxxxxxx> |
| Date: | Fri, 28 Aug 2009 12:55:26 -0400 |
| Cc: | Christoph Hellwig <hch@xxxxxxxxxxxxx>, Nikanth Karthikesan <knikanth@xxxxxxx>, xfs@xxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Jens Axboe <jens.axboe@xxxxxxxxxx> |
| In-reply-to: | <alpine.DEB.2.00.0908280720220.30806@xxxxxxxxxxxxxxxx> |
| References: | <20090822205502.GA18904@xxxxxxxxxxxxx> <alpine.DEB.2.00.0908221659030.23463@xxxxxxxxxxxxxxxx> <20090823224504.GA19942@xxxxxxxxxxxxx> <alpine.DEB.2.00.0908240704130.9427@xxxxxxxxxxxxxxxx> <alpine.DEB.2.00.0908260949550.9396@xxxxxxxxxxxxxxxx> <20090826180234.GC14019@xxxxxxxxxxxxx> <alpine.DEB.2.00.0908261717001.1594@xxxxxxxxxxxxxxxx> <20090826212732.GA18124@xxxxxxxxxxxxx> <alpine.DEB.2.00.0908261728580.1594@xxxxxxxxxxxxxxxx> <alpine.DEB.2.00.0908280720220.30806@xxxxxxxxxxxxxxxx> |
| User-agent: | Mutt/1.5.19 (2009-01-05) |
On Fri, Aug 28, 2009 at 07:23:11AM -0400, Justin Piszcz wrote: > If both '-o nobarrier' and the patch solves the issue, what is the next > action that should be taken? Update the documentation to always use > -o nobarrier for cryptoloop? Or get the patch reverted in mainline? We'll have to figure out why it causes those problems and how fix them. -o nobarrier on a loop device is extremly unsafe as you will possible lose large amounts of log updates in case of a crash. |
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