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From: Greg KH <greg@kroah.com>
To: Maneesh Soni <maneesh@in.ibm.com>
Cc: Alan Stern <stern@rowland.harvard.edu>,
	Kernel development list <linux-kernel@vger.kernel.org>,
	Patrick Mochel <mochel@digitalimplant.org>,
	Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Subject: Re: Inconsistency in sysfs behavior?
Date: Thu, 8 Jan 2004 12:19:20 -0800	[thread overview]
Message-ID: <20040108201920.GB16183@kroah.com> (raw)
In-Reply-To: <20040108103242.GA2267@in.ibm.com>

On Thu, Jan 08, 2004 at 04:02:42PM +0530, Maneesh Soni wrote:
>                                                                                 
> The problem is that we have live references to the kobject dentry but 
> kobject is gone. Problems can occur if kobject is accessed
> through dentry->d_fsdata field. The fix I did was to take a ref. to the
> kobject while linking the dentry with the kobject in create_dir(). This
> ref. can be released when dentry ref. count goes to zero, that is when
> dentry is being freed, through dentry->d_op->d_iput() call. With this
> patch we can have a kobject alive during the life time of the corresponding
> dentry. 
> 
> Please comment.

This is the patch already in the -mm tree, right?  I think it's already
in Pat's pending queue of patches to send off (we're a bit hampered by
the weather right now in this part of the world...)

thanks,

greg k-h

  reply	other threads:[~2004-01-08 20:45 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-01-07 15:48 Inconsistency in sysfs behavior? Alan Stern
2004-01-07 17:27 ` Greg KH
2004-01-07 21:50   ` Alan Stern
2004-01-07 21:56     ` Greg KH
2004-01-07 22:24       ` Alan Stern
2004-01-07 22:34         ` Greg KH
2004-01-08 10:32   ` Maneesh Soni
2004-01-08 20:19     ` Greg KH [this message]
2004-01-09  4:56       ` Maneesh Soni

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