linux-kernel - Re: [PATCH] VFS: new fgetattr() file operation

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Message-ID: <20071025224235.GZ995458@sgi.com>
Date:	Fri, 26 Oct 2007 08:42:35 +1000
From:	David Chinner <dgc@....com>
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	staubach@...hat.com, akpm@...ux-foundation.org, hch@...radead.org,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH] VFS: new fgetattr() file operation

On Wed, Oct 24, 2007 at 05:27:04PM +0200, Miklos Szeredi wrote:
> > >> Wouldn't you be better off by attempting to implement an "open
> > >> by ino" operation and an operation to get the generation count
> > >> for the file and then modifying the network protocol of interest
> > >> to use these as identifiers for the file to be manipulated?
> > >>     
> > >
> > > You mean an "open by inode" on the userspace API?  My guess, it
> > > wouldn't get very far.
> > 
> > This isn't a new idea and has been implemented on a variety of
> > different systems.
> 
> Like?

XFS.

'man open_by_handle'

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group
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