From: Christoph Hellwig <hch@lst.de>
To: Jan Kara <jack@suse.cz>
Cc: Wu Fengguang <fengguang.wu@intel.com>,
Christoph Hellwig <hch@lst.de>,
linux-fsdevel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] mm: Avoid livelocking of WB_SYNC_ALL writeback
Date: Fri, 5 Nov 2010 23:30:38 +0100 [thread overview]
Message-ID: <20101105223038.GA16666@lst.de> (raw)
In-Reply-To: <1288992383-25475-1-git-send-email-jack@suse.cz>
> + /*
> + * In WB_SYNC_ALL mode, we just want to ignore nr_to_write as
> + * we need to write everything and livelock avoidance is implemented
> + * differently.
> + */
I think it would be useful to elaborate here on how livelock avoidance
is supposed to work.
next prev parent reply other threads:[~2010-11-05 22:30 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-05 21:26 [PATCH] mm: Avoid livelocking of WB_SYNC_ALL writeback Jan Kara
2010-11-05 22:30 ` Christoph Hellwig [this message]
2010-11-06 2:54 ` Wu Fengguang
2010-11-06 11:45 ` Christoph Hellwig
2010-11-06 2:55 ` Wu Fengguang
2010-11-06 16:39 ` Wu Fengguang
2010-11-07 13:34 ` Jan Kara
2010-11-06 1:36 ` Johannes Weiner
2010-11-07 13:07 ` Jan Kara
2010-11-06 4:12 ` Wu Fengguang
2010-11-07 13:22 ` Jan Kara
2010-11-07 13:37 ` Wu Fengguang
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