On (12/22/16 09:36), 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.
>
> [1] b4c5c60920e3: zram: avoid lockdep splat by revalidate_disk
> [2] 08eee69fcf6b: zram: remove init_lock in zram_make_request
>
> Fixes: da9556a2367c ("zram: user per-cpu compression streams")
> Cc: <stable@xxxxxxxxxxxxxxx> [4.7+]
> Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
-ss
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