[PATCH v2 00/16] Allow readpage to return a locked page

[Christoph Hellwig]

On Fri, Oct 09, 2020 at 03:30:48PM +0100, Matthew Wilcox (Oracle) wrote:
> Ideally all filesystems would return from ->readpage with the page
> Uptodate and Locked, but it's a bit painful to convert all the
> asynchronous readpage implementations to synchronous.  The first 14
> filesystems converted are already synchronous.  The last two patches
> convert iomap to synchronous readpage.

Is it really that bad?  It seems like a lot of the remainig file systems
use the generic mpage/buffer/nobh helpers.

But I guess this series is a good first step.