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Date: Sat, 14 Oct 2017 09:14:53 -0600 From: Jens Axboe <axboe@...nel.dk> To: Yafang Shao <laoar.shao@...il.com>, akpm@...ux-foundation.org Cc: jack@...e.cz, hannes@...xchg.org, vdavydov.dev@...il.com, jlayton@...hat.com, nborisov@...e.com, tytso@....edu, yamada.masahiro@...ionext.com, linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH for linux-next] mm/page-writeback.c: make changes of dirty_writeback_centisecs take effect immediately On 10/14/2017 02:38 AM, Yafang Shao wrote: > This patch is the followup of the prvious patch: > [writeback: schedule periodic writeback with sysctl]. > > There's another issue to fix. > For example, > - When the tunable was set to one hour and is reset to one second, the > new setting will not take effect for up to one hour. > > Kicking the flusher threads immediately fixes it. Queued up, thanks. -- Jens Axboe
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