linux-kernel - Re: [PATCH] Check for compound pages in set_page

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Message-ID: <Pine.LNX.4.64.0707181942140.13919@blonde.wat.veritas.com>
Date:	Wed, 18 Jul 2007 19:45:19 +0100 (BST)
From:	Hugh Dickins <hugh@...itas.com>
To:	Jens Axboe <jens.axboe@...cle.com>
cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: [PATCH] Check for compound pages in set_page_dirty()

On Wed, 18 Jul 2007, Jens Axboe wrote:
> 
> OK, you clearly have more knowledge in that area than I, but I do wish
> that you would have made a note in the code at least to remove things
> like this. It's pretty ugly to have superflous tests like that,
> especially since there was not even a comment saying _why_ you could not
> call set_page_dirty() on a compound page. I see it in the commit text,
> but nobody looking at fs/bio.c or fs/direct-io.c would directly find any
> reference of that.
> 
> Could you submit a patch removing the tests?

Okay, I'll do that - once I've reminded myself how to test it and done so!

Hugh
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