Re: [PATCH] seq_file.h: introduce DECLARE_SEQ_FOPS_{RO,RW}

From: Alexey Dobriyan
Date: Mon Jun 06 2011 - 17:19:56 EST


On Mon, Jun 06, 2011 at 10:07:55PM +0100, Al Viro wrote:
> On Mon, Jun 06, 2011 at 01:19:45PM -0700, H Hartley Sweeten wrote:
> > Many of the procfs and debugfs attribute file_operations in the kernel are
> > missing the .owner information. Introduce some macro's to fill in the .owner
> > field as well as the common methods for virtual file file_operations. This
> > simplifies creating the attributes and makes sure all the fields are properly
> > initialized.
> >
> > Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
>
> Nacked-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> Nacked-because: too ugly
>
> Don't play that kind of games with preprocessor.

3) .owner is ignored for procfs
4) ## breaks grep (and tags)
5) macro name doesn't hint for important "single" piece.
6) DECLARE and DEFINE semi-idioms are used another way :^)
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