[dm-devel] [PATCH v2] dm-writecache: avoid kcopyd and use open-coded variant instead

[Christoph Hellwig]

On Wed, Jun 09, 2021 at 09:38:38AM -0400, Mikulas Patocka wrote:
> Hi
> 
> This is the second version of the patch that avoids kcopyd. It sorts the 
> requests according to sector number when writing to the slow device. But 
> still, kcopyd is faster in my tests.

So kcopyd is faster but you replace it by an open coded version?
Why?