linux-kernel - Re: [PATCH 1/2] fbdev: Make deferred I/O work as advertized

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Date:	Thu, 21 Feb 2008 18:31:40 +0100
From:	Markus Armbruster <armbru@...hat.com>
To:	"Jaya Kumar" <jayakumar.lkml@...il.com>
Cc:	linux-kernel@...r.kernel.org, virtualization@...ts.osdl.org,
	xen-devel@...ts.xensource.com,
	linux-fbdev-devel@...ts.sourceforge.net, adaplas@....net,
	linux-input@...r.kernel.org, dmitry.torokhov@...il.com,
	akpm@...ux-foundation.org
Subject: Re: [PATCH 1/2] fbdev: Make deferred I/O work as advertized

"Jaya Kumar" <jayakumar.lkml@...il.com> writes:

> On Thu, Feb 21, 2008 at 5:43 PM, Markus Armbruster <armbru@...hat.com> wrote:
>>  Fix extracted from this linux-fbdev-devel message:
>
> Hi Markus,
>
> Yes, this was discussed back in November on linux-mm and hence my
> patch. I didn't push for it to be merged by itself because I don't
> think it makes sense to merge it separately from the full metronomefb
> patch. As far as I can tell, only hecubafb and metronomefb seem to be
> the consumers.
>
> Out of curiosity, are you using defio or planning to use it? I would
> love to hear back from people who are using it.
>
> Thanks,
> jaya

Converting to fb_defio made xen-fbfront quite a bit simpler and much
more maintainable.  Excellent match.

It took me a bit of time to find your fix, mostly because I assumed my
own code was broken, not fb_defio.  It's best not to make assumptions
about who uses your code; if it's any good, chances are somebody will
find a use you never imagined.
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