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From: Andrew Morton <akpm@osdl.org>
To: Kirill Korotaev <dev@sw.ru>
Cc: linux-kernel@vger.kernel.org, torvalds@osdl.org
Subject: Re: Q: bugs in generic_forget_inode()?
Date: Mon, 6 Sep 2004 12:35:34 -0700	[thread overview]
Message-ID: <20040906123534.3487839e.akpm@osdl.org> (raw)
In-Reply-To: <413C52E2.10809@sw.ru>

Kirill Korotaev <dev@sw.ru> wrote:
>
> Hello,
> 
> 1. I found that generic_forget_inode() calls write_inode_now() dropping 
> inode_lock and destroys inode after that. The problem is that 
> write_inode_now() can sleep and during this sleep someone can find inode 
> in the hash, w/o I_FREEING state and with i_count = 0.

The filesystem is in the process of being unmounted (!MS_ACTIVE).  So the
question is: who is doing inode lookups against a soon-to-be-defunct
filesystem?



  reply	other threads:[~2004-09-06 19:38 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-06 12:06 Kirill Korotaev
2004-09-06 19:35 ` Andrew Morton [this message]
2004-09-10  9:04   ` Kirill Korotaev
2004-09-10  9:11     ` Andrew Morton

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