Re: [PATCH v3 3/3] zram: support BDI_CAP_STABLE_WRITES

From: Sergey Senozhatsky
Date: Sun Nov 27 2016 - 08:02:38 EST


On (11/26/16 23:41), Minchan Kim wrote:
[..]
> > > mutex_lock(&bdev->bd_mutex);
> >
> > why not set it just once, when we allocate queue/disk and configure both
> > of them: in zram_add()
>
> I should have mentioned the reason.
> The revalidate_disk reset the BDI_CAP_STABLE_WRITES.

aha. either sets or clears it in blk_integrity_revalidate(),
now I see it.

-ss