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From: Ethan Solomita <solo@google.com>
To: Ethan Solomita <solo@google.com>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-mm@kvack.org
Subject: Re: NR_UNSTABLE_FS vs. NR_FILE_DIRTY: double counting pages?
Date: Sun, 29 Apr 2007 18:15:40 -0700	[thread overview]
Message-ID: <4635433C.7030607@google.com> (raw)
In-Reply-To: <463537C2.5050804@google.com>

Ethan Solomita wrote:
> Trond Myklebust wrote:
>>
>> It should not happen. If the page is on the unstable list, then it will
>> be committed before nfs_updatepage is allowed to redirty it. See the
>> recent fixes in 2.6.21-rc7.
> 
>     Above I present a codepath called straight from sys_write() which 
> seems to do what I say. I could be wrong, but can you address the code 
> paths I show above which seem to set both?

	Sorry about my quick reply, I'd misunderstood what you were saying. 
I'll take a look at what you say.

	Thanks,
	-- Ethan

WARNING: multiple messages have this Message-ID (diff)
From: Ethan Solomita <solo@google.com>
To: Ethan Solomita <solo@google.com>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-mm@kvack.org
Subject: Re: NR_UNSTABLE_FS vs. NR_FILE_DIRTY: double counting pages?
Date: Sun, 29 Apr 2007 18:15:40 -0700	[thread overview]
Message-ID: <4635433C.7030607@google.com> (raw)
In-Reply-To: <463537C2.5050804@google.com>

Ethan Solomita wrote:
> Trond Myklebust wrote:
>>
>> It should not happen. If the page is on the unstable list, then it will
>> be committed before nfs_updatepage is allowed to redirty it. See the
>> recent fixes in 2.6.21-rc7.
> 
>     Above I present a codepath called straight from sys_write() which 
> seems to do what I say. I could be wrong, but can you address the code 
> paths I show above which seem to set both?

	Sorry about my quick reply, I'd misunderstood what you were saying. 
I'll take a look at what you say.

	Thanks,
	-- Ethan

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  reply	other threads:[~2007-04-30  1:16 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-28  1:21 NR_UNSTABLE_FS vs. NR_FILE_DIRTY: double counting pages? Ethan Solomita
2007-04-28  1:21 ` Ethan Solomita
2007-04-29 20:22 ` Trond Myklebust
2007-04-29 20:22   ` Trond Myklebust
2007-04-30  0:26   ` Ethan Solomita
2007-04-30  0:26     ` Ethan Solomita
2007-04-30  1:15     ` Ethan Solomita [this message]
2007-04-30  1:15       ` Ethan Solomita
2007-04-30  1:51     ` Trond Myklebust
2007-04-30  1:51       ` Trond Myklebust

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