linux-kernel - Re: [GIT PULL] direct IO support for loop driver

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Date:	Thu, 21 Nov 2013 01:58:37 -0800
From:	Christoph Hellwig <hch@...radead.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Dave Kleikamp <dave.kleikamp@...cle.com>,
	Christoph Hellwig <hch@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	"Maxim V. Patlasov" <mpatlasov@...allels.com>, linux-aio@...ck.org,
	Kent Overstreet <kmo@...erainc.com>,
	Jens Axboe <axboe@...nel.dk>
Subject: Re: [GIT PULL] direct IO support for loop driver

On Wed, Nov 20, 2013 at 01:19:33PM -0800, Linus Torvalds wrote:
> I really don't see the point of all this crap. All this for the loop
> driver? If so, it had better at least be prettier than it is.

It's for anyone trying to to direct I/O from kernel space.  I have
patches that speed up ecryptfs and allow sane operation for the file
backed scsi target based on this that have been collecting dust for a
while.

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