Re: [PATCH 5/6] configfs: Allow the registration of const struct configfs_attribute

[Breno Leitao]

On Fri, Jul 17, 2026 at 05:35:27PM +0200, Thomas Weißschuh wrote:
> On 2026-07-17 01:43:36-0700, Breno Leitao wrote:
> > On Thu, Jul 16, 2026 at 07:09:30PM +0200, Thomas Weißschuh wrote:
> > > The attribute structure defined in driver code never need to be
> > > modified. Allow them to be marked as const.
> > > 
> > > As there are many drivers which use these attributes, prepare for a
> > > phased transition by using a union of const and non-const attributes.
> > 
> > How many drivers need to be migrated? Isn't this a mechanism move?
> 
> The actual constification of the attribute will happen with a central
> change to the CONFIGFS_ATTR* macros. But all users of the macro
> will need to be prepared to handle the constness.
> 
> I have a branch with the full conversion here:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/thomas.weissschuh/linux.git/log/?h=b4/configfs-const
> 
>  73 files changed, 241 insertions(+), 248 deletions(-)
> 
>  Most driver changes are really trivial. But a few do more interesting
>  things. My goal is to heavily reduce the amount of patches in this
>  branch by merging patches to the same subsystem.
> 
>  The last four patches will be the finalization going again through
>  the configfs tree.

Oh, that makes total sense now.

Thanks,
--breno