From: Christoph Hellwig <hch@lst.de>
To: Boaz Harrosh <bharrosh@panasas.com>
Cc: Christoph Hellwig <hch@lst.de>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH] exofs: remove BKL from super operations
Date: Sun, 23 Aug 2009 15:31:07 +0200 [thread overview]
Message-ID: <20090823133107.GA25220@lst.de> (raw)
In-Reply-To: <4A91305E.1030909@panasas.com>
On Sun, Aug 23, 2009 at 03:04:46PM +0300, Boaz Harrosh wrote:
> On 08/20/2009 02:49 AM, Christoph Hellwig wrote:
> > Any chance you could also remove the lock_super usage once your start
> > revisiting the lock? lock_super is never taken by the VFS anymore, so
> > you can easily replace it with fs-local locking.
> >
>
> OK Sure, thanks.
>
> One question please?
>
> I need a mutex_lock I can sleep on. Could I use the inode_lock associate
> with the root_inode. Or that could lead to dead-locks with the VFS?
It could lead to all kinds of lock dependency problems no one even
thinks about.
> (Or should I just allocate another mutex at the fs-sb-data?)
Yes.
next prev parent reply other threads:[~2009-08-23 13:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-19 14:56 [PATCH] exofs: remove BKL from super operations Boaz Harrosh
2009-08-19 23:49 ` Christoph Hellwig
2009-08-23 12:04 ` Boaz Harrosh
2009-08-23 13:31 ` Christoph Hellwig [this message]
2009-08-23 13:40 ` Boaz Harrosh
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