Re: [rfc][patch] remove racy sync_page?

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On Mon, May 29, 2006 at 07:34:09PM +1000, Nick Piggin wrote:
...
> Can we get rid of the whole thing, confusing memory barriers and all?
> Nobody uses anything but the default sync_page

I feel like I must say this: there are some file systems that live
outside the kernel (at least for now) that do _NOT_ use the default
sync_page. All the stackable file systems that are based on FiST [1],
such as Unionfs [2] and eCryptfs (currently in -mm) [3] (respective
authors CC'd). As an example, Unionfs must decide which lower file
system page to sync (since it may have several to chose from).

Josef "Jeff" Sipek.

[1] http://www.filesystems.org
[2] http://unionfs.filesystems.org
[3] http://ecryptfs.sourceforge.net


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