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Date: Tue, 8 Aug 2017 16:02:26 +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>,
Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: [PATCH v1 5/6] zram: remove zram_rw_page
On (08/08/17 15:50), Minchan Kim wrote:
> With on-stack-bio, rw_page interface doesn't provide a clear performance
> benefit for zram and surely has a maintenance burden, so remove the
> last user to remove rw_page completely.
OK, never really liked it, I think we had that conversation before.
as far as I remember, zram_rw_page() was the reason we had to do some
tricks with init_lock to make lockdep happy. may be now we can "simplify"
the things back.
> Cc: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
> Signed-off-by: Minchan Kim <minchan@...nel.org>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
-ss
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