linux-kernel - Re: [PATCH] bcache: Fix a shrinker deadlock

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Message-ID: <20130831042018.GP21481@kernel.dk>
Date:	Fri, 30 Aug 2013 22:20:18 -0600
From:	Jens Axboe <axboe@...nel.dk>
To:	Kent Overstreet <kmo@...erainc.com>
Cc:	kernel neophyte <neophyte.hacker001@...il.com>,
	"linux-bcache@...r.kernel.org" <linux-bcache@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Stefan Priebe <s.priebe@...fihost.ag>
Subject: Re: [PATCH] bcache: Fix a shrinker deadlock

On Fri, Aug 30 2013, Kent Overstreet wrote:
> GFP_NOIO means we could be getting called recursively - mca_alloc() ->
> mca_data_alloc() - definitely can't use mutex_lock(bucket_lock) then.
> Whoops.

Kent, can you provide and updated repo with the pending patches? There's
been some churn here lately (and good fixes), would like to ensure I
don't miss anything.

-- 
Jens Axboe

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