linux-kernel - Re: Linux 3.15 .. and continuation of merge window

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Message-ID: <26330.1402509365@jrobl>
Date:	Thu, 12 Jun 2014 02:56:05 +0900
From:	"J. R. Okajima" <hooanon05g@...il.com>
To:	Al Viro <viro@...IV.linux.org.uk>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 3.15 .. and continuation of merge window


Al Viro:
> The former guarantees that the address we are doing trylock on would be that
> of a live dentry.  The latter makes sure that anything assigned to 
> dentry->d_parent after we drop ->d_lock will not be freed until we drop
> rcu_read_lock.

Although I don't know how to reproduce the problem for the latter case,
I think the patch is good.


J. R. Okajima
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