linux-kernel - Re: [rfc][patch] store-free path walking

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Message-ID: <20091009095119.GT9228@kernel.dk>
Date:	Fri, 9 Oct 2009 11:51:19 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Nick Piggin <npiggin@...e.de>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org,
	Ravikiran G Thirumalai <kiran@...lex86.org>,
	Peter Zijlstra <peterz@...radead.org>, chris.mason@...cle.com
Subject: Re: [rfc][patch] store-free path walking

Nick,

One more thing... I see you converted part of btrfs, but there's still
this one sitting in btrfs_invalidate_inodes()

        if (atomic_read(&inode->i_count) > 1)
                d_prune_aliases(inode);

Not sure how best to solve that, with a __d_prune_aliases() that assumed
the lock was held it would be easy. But perhaps you have better ideas,
this email is more of a heads-up since perhaps you missed this spot
(CC'ing Chris).

-- 
Jens Axboe

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