Re: Request for export of truncate_complete_page

[Christoph Hellwig <hch@infradead.org>]

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.

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