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From: Andreas Dilger <adilger@clusterfs.com>
To: Christoph Hellwig <hch@infradead.org>,
	Juergen Hasch <lkml@elbonia.de>,
	Michael Welles <mike@bangstate.com>,
	linux-kernel@vger.kernel.org
Subject: Re: Using get_cwd inside a module.
Date: Sat, 22 Nov 2003 04:48:34 -0700	[thread overview]
Message-ID: <20031122044833.R20568@schatzie.adilger.int> (raw)
In-Reply-To: <20031122101559.A30932@infradead.org>; from hch@infradead.org on Sat, Nov 22, 2003 at 10:15:59AM +0000

On Nov 22, 2003  10:15 +0000, Christoph Hellwig wrote:
> On Sat, Nov 22, 2003 at 10:33:34AM +0100, Juergen Hasch wrote:
> > Dnotify doesn't return the file names that changed, changedfiles does.
> > I've looked into this, because Samba would benefit from such a functionality.
> > 
> > So maybe it would be possible to teach dnotify to return file names
> > (e.g. using netlink) ?
> 
> Well, you can't return filenames.  There's no unique path to a give
> file. 

Since the caller is already watching a specific directory, it doesn't
need to know the full pathname, just the inode number that changed.
Then Samba et. al. could do an inode->name(s) lookup on the directory.

Cheers, Andreas
--
Andreas Dilger
http://sourceforge.net/projects/ext2resize/
http://www-mddsp.enel.ucalgary.ca/People/adilger/


  parent reply	other threads:[~2003-11-22 11:52 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-22  0:05 Michael Welles
2003-11-22  0:32 ` Maciej Zenczykowski
2003-11-22 12:30   ` Szymon Acedański
2003-11-22  8:30 ` Christoph Hellwig
2003-11-22  9:33   ` Juergen Hasch
2003-11-22 10:15     ` Christoph Hellwig
2003-11-22 10:45       ` Juergen Hasch
2003-11-22 11:04         ` Christoph Hellwig
2003-11-22 17:22           ` Michael Welles
2003-11-23 19:40           ` Juergen Hasch
2003-11-22 11:48       ` Andreas Dilger [this message]
2003-11-23 19:41         ` Juergen Hasch
2003-11-22 17:15       ` Michael Welles

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