linux-kernel - Re: [RFC PATCH 20/26] UBIFS: add VFS operations

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Message-ID: <47F240F6.3080108@nokia.com>
Date:	Tue, 01 Apr 2008 17:04:38 +0300
From:	Artem Bityutskiy <Artem.Bityutskiy@...ia.com>
To:	Pekka Enberg <penberg@...helsinki.fi>
CC:	Artem Bityutskiy <dedekind@...dex.ru>,
	LKML <linux-kernel@...r.kernel.org>,
	Adrian Hunter <ext-adrian.hunter@...ia.com>
Subject: Re: [RFC PATCH 20/26] UBIFS: add VFS operations

Pekka Enberg wrote:
>>  Yeah, this is also a guarding thing. When a dirty page is released
>>  the budget which was allocated for it has to be freed. If this function
>>  is called, then the budget was not freed, which must never happen.
> 
> So what guarantees that no one calls invalidate_complete_page() or
> fallback_migrate_page(), for example?

At the first glance it looks like it might be called, but for clean pages,
which is not the problem, but there is this assert which may give fake
alarm. Need to look closer at this. Thanks for the note.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
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