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Date:   Mon, 23 Jan 2017 22:57:24 +0900
From:   Sergey Senozhatsky <>
To:     Minchan Kim <>
Cc:     Andrew Morton <>,
        Sergey Senozhatsky <>,
Subject: Re: [PATCH] zram: remove waitqueue for IO done

On (01/23/17 13:17), Minchan Kim wrote:
> zram_reset_device waits ongoing writepage pages completed by
> zram->refcount logic. However, it's pointless because before
> the reset, we prevent further opening of zram by zram->claim
> and flush all of pending IO by fsync_bdev so there should be
> no pending IO at the zram_reset_device.

looks reasonable to me.

> Signed-off-by: Minchan Kim <>

Reviewed-by: Sergey Senozhatsky <>


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