linux-kernel - Re: [PATCH v2 1/7] zram: set BDI_CAP_STABLE

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Message-ID: <20170814013930.GA603@jagdpanzerIV.localdomain>
Date:   Mon, 14 Aug 2017 10:39:30 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Minchan Kim <minchan@...nel.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Ross Zwisler <ross.zwisler@...ux.intel.com>,
        "karam . lee" <karam.lee@....com>, seungho1.park@....com,
        Matthew Wilcox <willy@...radead.org>,
        Christoph Hellwig <hch@....de>,
        Dan Williams <dan.j.williams@...el.com>,
        Dave Chinner <david@...morbit.com>, jack@...e.cz,
        Jens Axboe <axboe@...nel.dk>,
        Vishal Verma <vishal.l.verma@...el.com>,
        linux-nvdimm@...ts.01.org, kernel-team <kernel-team@....com>,
        Senozhatsky <sergey.senozhatsky@...il.com>,
        Ilya Dryomov <idryomov@...il.com>
Subject: Re: [PATCH v2 1/7] zram: set BDI_CAP_STABLE_WRITES once

On (08/11/17 14:17), Minchan Kim wrote:
> [1] fixed weird thing(i.e., reset BDI_CAP_STABLE_WRITES flag
> unconditionally whenever revalidat_disk is called) so zram doesn't
> need to reset the flag any more whenever revalidating the bdev.
> Instead, set the flag just once when the zram device is created.
> 
> It shouldn't change any behavior.
> 
> [1] 19b7ccf8651d, block: get rid of blk_integrity_revalidate()
> Cc: Senozhatsky <sergey.senozhatsky@...il.com>
> Cc: Ilya Dryomov <idryomov@...il.com>
> Signed-off-by: Minchan Kim <minchan@...nel.org>

Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>

	-ss