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From: Christoph Hellwig <hch@infradead.org>
To: Carsten Otte <cotte@freenet.de>
Cc: Christoph Hellwig <hch@infradead.org>,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	schwidefsky@de.ibm.com, akpm@osdl.org
Subject: Re: [RFC/PATCH 2/5] mm/fs: execute in place (V2)
Date: Wed, 18 May 2005 16:53:15 +0100	[thread overview]
Message-ID: <20050518155315.GA25771@infradead.org> (raw)
In-Reply-To: <428B6463.3000604@freenet.de>

On Wed, May 18, 2005 at 05:50:59PM +0200, Carsten Otte wrote:
> I agree that sync/async is not too much of a difference when you do a memcpy
> behind, so you can just have wrappers.

They already are wrappers in filemap.c  In fact one of my planned projects
is to kill all that silly duplication and have aio_readv/aio_writev entry
points for filesystems and read/write for drivers and nothing else.  That
would cleanup the mess extremly.

> I am still not convinced that it
> will stay
> reasonably small with all that duplicated stuff, but since it's easy to
> do I just
> gonna give it a try to see how it'll look alike. Bet the patch size will
> double.

I think that's okay.  XIP is a total minority feature, and while we should
avoid duolication where possible not making filemap.c even more messy is
by far preferable.

  reply	other threads:[~2005-05-18 16:02 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1116422644.2202.1.camel@cotte.boeblingen.de.ibm.com>
2005-05-18 13:53 ` [RFC/PATCH 1/5] bdev: execute in place (V2) Carsten Otte
2005-05-18 14:27   ` Christoph Hellwig
2005-05-18 15:36     ` Carsten Otte
2005-05-18 15:37       ` Christoph Hellwig
2005-05-18 13:53 ` [RFC/PATCH 2/5] mm/fs: " Carsten Otte
2005-05-18 14:27   ` Christoph Hellwig
2005-05-18 14:56     ` Carsten Otte
2005-05-18 15:00       ` Christoph Hellwig
2005-05-18 15:31         ` Carsten Otte
2005-05-18 15:36           ` Christoph Hellwig
2005-05-18 15:50             ` Carsten Otte
2005-05-18 15:53               ` Christoph Hellwig [this message]
2005-05-18 13:53 ` [RFC/PATCH 3/5] ext2: " Carsten Otte
2005-05-18 13:53 ` [RFC/PATCH 4/5] loop: " Carsten Otte
2005-05-18 14:28   ` Christoph Hellwig
2005-05-18 14:38     ` Carsten Otte
2005-05-18 13:54 ` [RFC/PATCH 5/5] madvice/fadvice: " Carsten Otte

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