From: Miklos Szeredi <miklos@szeredi.hu>
To: nickpiggin@yahoo.com.au
Cc: miklos@szeredi.hu, jamie@shareable.org,
torvalds@linux-foundation.org, jens.axboe@oracle.com,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, akpm@linux-foundation.org, hugh@veritas.com
Subject: Re: [patch 1/2] mm: dont clear PG_uptodate in invalidate_complete_page2()
Date: Mon, 07 Jul 2008 11:21:34 +0200 [thread overview]
Message-ID: <E1KFmuc-0001VS-RS@pomaz-ex.szeredi.hu> (raw)
In-Reply-To: <200807071638.32955.nickpiggin@yahoo.com.au> (message from Nick Piggin on Mon, 7 Jul 2008 16:38:31 +1000)
On Mon, 7 Jul 2008, Nick Piggin wrote:
> I don't know what became of this thread, but I agree with everyone else
> you should not skip clearing PG_uptodate here. If nothing else, it
> weakens some important assertions in the VM. But I agree that splice
> should really try harder to work with it and we should be a little
> careful about just changing things like this.
Sure, that's why I rfc'ed.
But I'd still like to know, what *are* those assumptions in the VM
that would be weakened by this?
Thanks,
Miklos
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next prev parent reply other threads:[~2008-07-07 9:21 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-25 12:40 [patch 0/2] splice: fix nfs export of fuse filesystems Miklos Szeredi
2008-06-25 12:40 ` [patch 1/2] mm: dont clear PG_uptodate in invalidate_complete_page2() Miklos Szeredi, Miklos Szeredi
2008-06-25 13:11 ` Evgeniy Polyakov
2008-06-25 13:32 ` Miklos Szeredi
2008-06-25 14:16 ` Evgeniy Polyakov
2008-06-25 14:41 ` Miklos Szeredi
2008-06-25 15:30 ` Evgeniy Polyakov
2008-06-25 15:59 ` Miklos Szeredi
2008-06-25 16:18 ` Evgeniy Polyakov
2008-06-25 15:47 ` Evgeniy Polyakov
2008-06-25 16:02 ` Miklos Szeredi
2008-06-25 16:19 ` Evgeniy Polyakov
2008-06-25 15:11 ` Linus Torvalds
2008-06-25 15:29 ` Miklos Szeredi
2008-06-25 16:30 ` Linus Torvalds
2008-06-25 16:42 ` Miklos Szeredi
2008-06-25 17:38 ` Jamie Lokier
2008-06-25 18:35 ` Miklos Szeredi
2008-07-07 6:38 ` Nick Piggin
2008-07-07 9:21 ` Miklos Szeredi [this message]
2008-07-07 10:12 ` Miklos Szeredi
2008-07-07 11:01 ` Nick Piggin
2008-07-07 12:03 ` Miklos Szeredi
2008-07-07 12:17 ` Nick Piggin
2008-07-07 12:52 ` Miklos Szeredi
2008-07-07 14:28 ` Nick Piggin
2008-07-07 15:08 ` Miklos Szeredi
2008-07-08 2:22 ` Nick Piggin
2008-07-07 10:43 ` Nick Piggin
2008-06-25 12:40 ` [patch 2/2] splice: fix generic_file_splice_read() race with page invalidation Miklos Szeredi, Miklos Szeredi
2008-06-25 13:00 ` Jens Axboe
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