Re: [PATCH v3 2/3] zram: revalidate disk under init_lock

[Sergey Senozhatsky]

Hi,

On (11/25/16 17:35), Minchan Kim wrote:
> [1] moved revalidate_disk call out of init_lock to avoid lockdep
> false-positive splat. However, [2] remove init_lock in IO path
> so there is no worry about lockdep splat. So, let's restore it.
> This patch need to set BDI_CAP_STABLE_WRITES atomically in
> next patch.

can we break that dependency on the next patch if we would
set BDI_CAP_STABLE_WRITES when we allocate the queue?

        queue->backing_dev_info.capabilities |= BDI_CAP_CGROUP_WRITEBACK;

        -ss