From: Christoph Hellwig <hch@infradead.org>
To: Oleg Drokin <green@linuxhacker.ru>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Request for export of truncate_complete_page
Date: Tue, 21 Feb 2006 10:39:17 +0000 [thread overview]
Message-ID: <20060221103917.GC19349@infradead.org> (raw)
In-Reply-To: <20060220223810.GD5733@linuxhacker.ru>
On Tue, Feb 21, 2006 at 12:38:10AM +0200, Oleg Drokin wrote:
> Hello!
>
> Can I ask for truncate_complete_page() to be exported?
> For Lustre filesystem it is necessary to poke out pages in the middle of
> a file, but truncate_inode_pages() is not very suitable, because we
> poke those pages one at a time when locks on those pages are cancelled, but
> we cannot kill entire set of pages as a group, because there might be some
> other lock that covers a subset of those pages, so we still need to iterate
> through all of them, and while we are at it, it is easier to kill pages
> as we check them one by one.
Truncating around inside a file is very fishy, so this would need a review
of cour code. Once you submit the new lustre client we can discuss exporting
this as _GPL, before we won't export it anyway.
prev parent reply other threads:[~2006-02-21 10:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-20 22:38 Request for export of truncate_complete_page Oleg Drokin
2006-02-21 5:54 ` Andrew Morton
2006-02-21 11:30 ` Oleg Drokin
2006-02-21 10:39 ` Christoph Hellwig [this message]
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