linux-kernel - Re: FUSE triggering BUG through blkdev

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Message-ID: <1297695340.19726.294.camel@tucsk.pomaz.szeredi.hu>
Date:	Mon, 14 Feb 2011 15:55:40 +0100
From:	Miklos Szeredi <mszeredi@...e.cz>
To:	Tejun Heo <tj@...nel.org>
Cc:	viro@...iv.linux.org.uk, linux-kernel@...r.kernel.org,
	kovariadam@...il.com
Subject: Re: FUSE triggering BUG through blkdev_put()

On Mon, 2011-02-14 at 11:56 +0100, Tejun Heo wrote:
> Please take a look at the following bug.
> 
>  https://bugzilla.kernel.org/show_bug.cgi?id=28642
> 
> The bug title and description are completely misleading but the
> problem seems to have been caused by the recent eviction related
> changes.  FUSE ends up blkdev_put'ting while I_CLEAR is still set on
> the blkdev's inode triggering BUG_ON() in iput().

Thanks for forwarding.

It doesn't look to me that it's related to changes in fuse inode
eviction.  More likely something from the recent inode locking changes.

Thanks,
Miklos

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