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Re: Page migration issue with UBIFS

Started byChristoph Hellwig <hch@infradead.org>
First post2016-03-21 16:30 +0100
Last post2016-03-21 16:30 +0100
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  Re: Page migration issue with UBIFS Christoph Hellwig <hch@infradead.org> - 2016-03-21 16:30 +0100

#1361932 — Re: Page migration issue with UBIFS

FromChristoph Hellwig <hch@infradead.org>
Date2016-03-21 16:30 +0100
SubjectRe: Page migration issue with UBIFS
Message-ID<rf9Wi-7Az-13@gated-at.bofh.it>
On Wed, Mar 16, 2016 at 05:21:56PM +0300, Kirill A. Shutemov wrote:
> > FYI, with a dummy ->migratepage() which returns only -EINVAL UBIFS does no
> > longer explode upon page migration.
> > Tomorrow I'll do more tests to make sure.
> 
> Could you check if something like this would fix the issue.
> Completely untested.

We really need to make the default safe for file systems that don't
have a migratepage method.

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