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From: Alex Tomas <alex@clusterfs.com>
To: Jan Blunck <j.blunck@tu-harburg.de>
Cc: Alex Tomas <alex@clusterfs.com>,
	Alexander Viro <viro@parcelfarce.linux.theplanet.co.uk>,
	Linux-Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: [RFC] pdirops: vfs patch
Date: Tue, 22 Feb 2005 16:23:01 +0300	[thread overview]
Message-ID: <m3r7j8wwy2.fsf@bzzz.home.net> (raw)
In-Reply-To: <1109077222.421b2ce6739f8@webmail.tu-harburg.de> (Jan Blunck's message of "Tue, 22 Feb 2005 14:00:22 +0100")

>>>>> Jan Blunck (JB) writes:

 JB> i_sem does NOT protect the dcache. Also not in real_lookup(). The lock must be
 JB> acquired for ->lookup() and because we might sleep on i_sem, we have to get it
 JB> early and check for repopulation of the dcache.

dentry is part of dcache, right? i_sem protects dentry from being
returned with incomplete data inside, right?


thanks, Alex


  reply	other threads:[~2005-02-22 13:24 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-02-22 11:54 [RFC] pdirops: vfs patch Jan Blunck
2005-02-22 12:04 ` Alex Tomas
2005-02-22 13:00   ` Jan Blunck
2005-02-22 13:23     ` Alex Tomas [this message]
2005-02-22 13:41       ` Jan Blunck
2005-02-23 13:55         ` Alex Tomas
  -- strict thread matches above, loose matches on Subject: below --
2005-02-19 17:57 [RFC] parallel directory operations Alex Tomas
2005-02-19 18:04 ` [RFC] pdirops: vfs patch Alex Tomas
2005-02-20 23:35   ` Jan Blunck
2005-02-20 23:43     ` Alex Tomas

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