Re: [PATCH 07/30] IGET: Stop BEFS from using iget() and read_inode()

From: Christoph Hellwig
Date: Mon Oct 01 2007 - 14:06:26 EST


On Mon, Oct 01, 2007 at 10:44:59AM -0700, Linus Torvalds wrote:
> > If you're soliciting opinions, I think I tend to prefer the feel of the
> > code paths after the changes. I don't know the benefits of the change
> > are worth the risk in unmaintained file systems, though.
> >
> > > + return ERR_PTR(PTR_ERR(inode));
> >
> > This caught my eye. Surely we can do better :). It seems to happen a
> > few times in the patches, the instance in this patch was the first that
> > I noticed.
>
> Yeah. The above obviously *should* be the same as
>
> return inode;
>
> apart from a few casts. But if the casts matter, there's something else
> wrong.

befs_lookup, which the above gem is from, returns a dentry *.

And given either

return (dentry *)inode;

or
return ERR_PTR(PTR_ERR(inode));

I tend to prefer the latter.
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