From: Andrew Morton <akpm@linux-foundation.org>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: a.p.zijlstra@chello.nl, linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [patch resend v4] update ctime and mtime for mmaped write
Date: Mon, 26 Mar 2007 23:49:57 -0800 [thread overview]
Message-ID: <20070326234957.6b287dda.akpm@linux-foundation.org> (raw)
In-Reply-To: <E1HW6Ec-0003Tv-00@dorka.pomaz.szeredi.hu>
On Tue, 27 Mar 2007 09:36:50 +0200 Miklos Szeredi <miklos@szeredi.hu> wrote:
> > There is surely no need to duplicate all that.
>
> Yeah, we could teach generic_writepages() to conditionally not submit
> for io just test/clear pte dirtyness.
>
> Maybe that would be somewhat cleaner, dunno.
>
> Then there are the ram backed filesystems, which don't have dirty
> accounting and radix trees, and for which this pte walking is still
> needed to provide semantics consistent with normal filesystems.
hm.
I don't know how important all this is, really - we've had this bug for
ever and presumably we've already trained everyone to work around it.
What usage scenarios are people actually hurting from? Is there anything
interesting in the mysterious Novell Bugzilla #206431?
Perhaps we can get away with doing something half-assed which covers most
requirements...
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2007-03-27 7:49 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-25 21:10 Miklos Szeredi, Miklos Szeredi
2007-03-26 21:00 ` Andrew Morton
2007-03-26 21:10 ` Matt Mackall
2007-03-26 22:25 ` Andrew Morton
2007-03-26 21:43 ` Miklos Szeredi
2007-03-26 22:31 ` Andrew Morton
2007-03-27 6:55 ` Miklos Szeredi
2007-03-27 7:22 ` Andrew Morton
2007-03-27 7:36 ` Miklos Szeredi
2007-03-27 7:49 ` Andrew Morton [this message]
2007-03-27 8:03 ` Miklos Szeredi
2007-03-27 8:18 ` Andrew Morton
2007-03-27 8:28 ` Miklos Szeredi
2007-03-27 8:51 ` Andrew Morton
2007-03-27 9:23 ` Miklos Szeredi
2007-03-27 17:52 ` Andrew Morton
2007-03-27 18:29 ` Miklos Szeredi
[not found] <20070327123422.d0bbc064.akpm@linux-foundation.org>
2007-03-27 20:09 ` linux
2007-03-27 20:31 ` Miklos Szeredi
2007-03-28 1:48 ` linux
2007-03-28 7:58 ` Nick Piggin
2007-03-28 9:50 ` linux
2007-03-29 4:59 ` Nick Piggin
2007-03-27 20:47 ` Andrew Morton
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070326234957.6b287dda.akpm@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=a.p.zijlstra@chello.nl \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=miklos@szeredi.hu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox