Re: [PATCH v2 01/16] mm: Add AOP_UPDATED_PAGE return value

From: Matthew Wilcox
Date: Thu Oct 15 2020 - 10:06:35 EST


On Thu, Oct 15, 2020 at 10:06:51AM +0100, Christoph Hellwig wrote:
> Don't we also need to handle the new return value in a few other places
> like cachefiles_read_reissue swap_readpage? Maybe those don't get
> called on the currently converted instances, but just leaving them
> without handling AOP_UPDATED_PAGE seems like a time bomb.

Er, right. And nobh_truncate_page(), and read_page(). And then I
noticed the bug in cachefiles_read_reissue(). Sigh.

Updated patch series coming soon.