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From: Nick Piggin <npiggin@suse.de>
To: Jan Kara <jack@suse.cz>
Cc: linux-fsdevel@vger.kernel.org,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Jorge Boncompte [DTI2]" <jorge@dti2.net>,
	Adrian Hunter <ext-adrian.hunter@nokia.com>,
	stable@kernel.org
Subject: Re: [patch] fs: new inode i_state corruption fix
Date: Thu, 5 Mar 2009 11:16:37 +0100	[thread overview]
Message-ID: <20090305101637.GB17815@wotan.suse.de> (raw)
In-Reply-To: <20090305100000.GA29177@duck.suse.cz>

On Thu, Mar 05, 2009 at 11:00:01AM +0100, Jan Kara wrote:
> On Thu 05-03-09 07:45:54, Nick Piggin wrote:
> > after ~1hour of running. Previously, the new warnings would start immediately
> > and hang would happen in under 5 minutes.
>   A quick grep seems to indicate that you've still missed a few cases,
> haven't you? I still see the same problem in
> drop_caches.c:drop_pagecache_sb() scanning, inode.c:invalidate_inodes()
> scanning, and dquot.c:add_dquot_ref() scanning.
>   Otherwise the patch looks fine.

I thought they should be OK; drop_pagecache_sb doesn't play with flags,
invalidate_inodes won't if refcount is elevated, and I think add_dquot_ref
won't if writecount is not elevated...

But maybe that's  abit fragile and it would be better policy to always
skip I_NEW in these traverals?


  reply	other threads:[~2009-03-05 10:16 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-05  6:45 [patch] fs: new inode i_state corruption fix Nick Piggin
2009-03-05 10:00 ` Jan Kara
2009-03-05 10:16   ` Nick Piggin [this message]
2009-03-05 11:12     ` Jan Kara
2009-03-10 13:41       ` [patch] fs: avoid I_NEW inodes Nick Piggin
2009-03-10 16:03         ` Jan Kara
2009-03-11  2:34           ` Nick Piggin
2009-03-11 12:22             ` Jan Kara
2009-03-11  3:29           ` Nick Piggin
2009-03-11 12:24             ` Jan Kara
2009-03-11 12:57               ` Nick Piggin
2009-03-11 20:19                 ` Andrew Morton
2009-03-12  3:09                   ` Nick Piggin

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