linux-kernel - Re: [PATCH 12/12] writeback: kill off ->range

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Message-ID: <ec2a2967-c57a-b63b-0d83-6ee6f11a61d9@kernel.dk>
Date:   Wed, 27 Sep 2017 22:22:58 +0200
From:   Jens Axboe <axboe@...nel.dk>
To:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Cc:     hannes@...xchg.org, jack@...e.cz, torvalds@...ux-foundation.org
Subject: Re: [PATCH 12/12] writeback: kill off ->range_cycle option

On 09/27/2017 10:13 PM, Jens Axboe wrote:
> All types of writeback are now range cyclic. Kill off the member
> from struct wb_writeback_work and struct writeback_control.
> 
> Remove the various checks for whether or not this is range cyclic
> writeback or not in the writeback code and file systems.
> 
> For tracing, we leave the member there, and just always set it to 1.

Disregard this patch, there are obviously places where we don't set
range_cyclic at all and write out a subset of the dirty pages (or
just one). Needs more looking into, for now just ignore this last
patch in the series.

-- 
Jens Axboe