Re: GFS2 and DLM

[Christoph Hellwig]

On Fri, Jun 23, 2006 at 05:29:34PM +0100, Steven Whitehouse wrote:
> Hi,
> 
> On Fri, 2006-06-23 at 16:00 +0100, Christoph Hellwig wrote:
> > On Tue, Jun 20, 2006 at 01:17:13PM +0100, Steven Whitehouse wrote:
> > > Hi,
> > > 
> > > Linus, Andrew suggested to me to send this pull request to you directly.
> > > Please consider merging the GFS2 filesystem and DLM from (they are both
> > > in the same tree for ease of testing):
> > 
> > A new normal filesystem (aka everything but procfs) shouldn't implement
> > ->readlink but use generic_readlink instead.
> > 
> 
> The comment above generic_readlink has this to say:
> 
> /*
>  * A helper for ->readlink().  This should be used *ONLY* for symlinks that
>  * have ->follow_link() touching nd only in nd_set_link().  Using (or not
>  * using) it for any given inode is up to filesystem.
>  */
> 
> which appears, at least, to contradict what you are saying. I'll put it
> on my list to look at again, but a straight substitution of
> generic_readlink() does not work, so I'd prefer to leave it as it is for
> the moment,

The above is the common and preffered case.  The only intree filesystem
not doing it is procfs.

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