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From: Al Viro <viro@ZenIV.linux.org.uk>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Jan Kara <jack@suse.cz>, Christoph Hellwig <hch@infradead.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux FS Devel <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH 0/4 v3] fs: Remove i_devices from struct inode
Date: Tue, 4 Nov 2014 20:20:26 +0000	[thread overview]
Message-ID: <20141104202018.GM7996@ZenIV.linux.org.uk> (raw)
In-Reply-To: <CALCETrV3DauoM0x9aiEdKtZLxXqfeEapsWD-t3n_norkX5To7Q@mail.gmail.com>

On Tue, Nov 04, 2014 at 12:14:26PM -0800, Andy Lutomirski wrote:

> Yeah, this idea clearly doesn't work.  But I wonder whether the
> revised variant (which may be just moving cd_forget and bd_forget from
> evict to iput_final) would work.

How the hell is it better?  Neither of those will happen as long as dentry
is retained.  And with /dev on tmpfs (which is bloody common) _that_ won't
happen until device node is unlinked...

  reply	other threads:[~2014-11-04 20:20 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-04 10:27 [PATCH 0/4 v3] fs: Remove i_devices from struct inode Jan Kara
2014-11-04 10:27 ` [PATCH 1/4] blockdev: Don't use i_devices inode field Jan Kara
2014-11-04 10:27 ` [PATCH 2/4] chardev: Increment cdev reference count when i_cdev references it Jan Kara
2014-11-04 10:27 ` [PATCH 3/4] chardev: Don't use i_devices inode field Jan Kara
2014-11-04 10:27 ` [PATCH 4/4] fs: Remove i_devices list head Jan Kara
2014-11-04 15:39 ` [PATCH 0/4 v3] fs: Remove i_devices from struct inode Al Viro
2014-11-04 19:47   ` Andy Lutomirski
2014-11-04 19:52     ` Andy Lutomirski
2014-11-04 20:16       ` Al Viro
2014-11-04 20:24         ` Andy Lutomirski
2014-11-04 19:55     ` Jan Kara
2014-11-04 20:14       ` Andy Lutomirski
2014-11-04 20:20         ` Al Viro [this message]
2014-11-04 20:25           ` Andy Lutomirski

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