linux-kernel - Re: [patch 1/2]block: handle merged discard request

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Message-ID: <CANejiEVBMmt_tdtuzEWtGCJZpiWfsuNto-g03ZfRSacWh6PJ=w@mail.gmail.com>
Date:	Fri, 3 Aug 2012 10:10:34 +0800
From:	Shaohua Li <shli@...nel.org>
To:	"Martin K. Petersen" <martin.petersen@...cle.com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Vivek Goyal <vgoyal@...hat.com>, axboe@...nel.dk,
	linux-kernel@...r.kernel.org, neilb@...e.de
Subject: Re: [patch 1/2]block: handle merged discard request

2012/6/22 Martin K. Petersen <martin.petersen@...cle.com>:
>>>>>> "Christoph" == Christoph Hellwig <hch@...radead.org> writes:
>
>>> There are several additional commands in the pipeline where the 1:1
>>> mapping between DMA size and block range is invalid. I want to get
>>> rid of the 1:1 assumption in general so we can handle any command
>>> without these evil workarounds.
>
> Christoph> What's the progress on getting these issues sorted out?
>
> This has bitrotted for a while. I'll put it on my list. I should finally
> have some bandwidth again next week...

Any update on this? If this will not happen soon, should we just disable
discard request merge now?

Thanks,
Shaohua
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