linux-kernel - Re: [RFC PATCH] shrink_dcache

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Message-ID: <20120110180421.GC23916@ZenIV.linux.org.uk>
Date:	Tue, 10 Jan 2012 18:04:21 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Dave Chinner <david@...morbit.com>,
	Christoph Hellwig <hch@...radead.org>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	mgorman@...e.de, gregkh@...e.de, akpm@...ux-foundation.org
Subject: Re: [RFC PATCH] shrink_dcache_parent() deadlock

On Tue, Jan 10, 2012 at 05:22:22PM +0100, Miklos Szeredi wrote:

> I think prune_dcache_sb() doesn't need this logic (although it
> wouldn't hurt either) because that one is called from the slab
> shrinkers and those are protected from being run multiple times in
> parallel, I hope.

	Eh...  We already have too much convoluted logics in there, so
let's keep it as non-subtle as possible.
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