Re: [PATCH 1/2] zram: remove BD_CAP_SYNCHRONOUS_IO with writeback feature

From: Sergey Senozhatsky
Date: Fri Aug 03 2018 - 01:45:59 EST


On (08/03/18 14:23), Sergey Senozhatsky wrote:
>
> Hmm, any chance a WB device can be async on its own? We add a page
> to a new bio and submit it to another async device driver. Then we
> return back to the upper layer (swap), which can free a page before
> the device picks up a request. Can this happen?

Nevermind these questions.
Sorry for the noise.

-ss