From: Chris Mason <mason@suse.com>
To: Jan Kara <jack@ucw.cz>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org,
Eugene Crosser <crosser@average.org>
Subject: Re: Deadlock problems
Date: Mon, 03 May 2004 09:11:21 -0400 [thread overview]
Message-ID: <1083589880.1607.9.camel@watt.suse.com> (raw)
In-Reply-To: <20040503115837.GC360@atrey.karlin.mff.cuni.cz>
On Mon, 2004-05-03 at 07:58, Jan Kara wrote:
> Hi Andrew!
>
> I've found hard to fix problem causing deadlock - call path is
> generally following:
> some operation -> quota code -> read/write quota -> vfs -> needs a page ->
> shrink caches -> free inodes -> free quota -> Ouch... (we need to acquire
> some lock which is already held by the quota code)
>
Ugh, for some reason I thought we were avoiding this one in 2.6. This
is why I made kinoded for the quota patches in 2.4.x
-chris
next prev parent reply other threads:[~2004-05-03 13:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-03 11:58 Deadlock problems Jan Kara
2004-05-03 13:11 ` Chris Mason [this message]
2004-05-03 18:14 ` Andrew Morton
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