[Intel-gfx] [RFC 1/3] fs: Introduce drmfs pseudo filesystem interfaces

[sourab gupta]

On Thu, 2016-12-01 at 00:11 -0800, Chris Wilson wrote:
> On Thu, Dec 01, 2016 at 12:32:31PM +0530, swati.dhingra at intel.com wrote:
> > diff --git a/fs/Kconfig b/fs/Kconfig
> > index 4bd03a2..7d0ac20 100644
> > --- a/fs/Kconfig
> > +++ b/fs/Kconfig
> > @@ -200,6 +200,15 @@ config HUGETLBFS
> >  config HUGETLB_PAGE
> >  	def_bool HUGETLBFS
> >  
> > +config DRMFS
> > +	bool "Drmfs file system support"
> > +	depends on DRM
> > +	help
> > +	  Drmfs is a pseudo file system for drm subsystem output data.
> > +
> > +	  drmfs is a filesystem to hold miscellaneous output data from drm
> > +	  subsystems.
> > +
> >  config ARCH_HAS_GIGANTIC_PAGE
> >  	bool
> >  
> > diff --git a/fs/Makefile b/fs/Makefile
> > index ed2b632..b34a96e 100644
> > --- a/fs/Makefile
> > +++ b/fs/Makefile
> > @@ -120,6 +120,7 @@ obj-$(CONFIG_BEFS_FS)		+= befs/
> >  obj-$(CONFIG_HOSTFS)		+= hostfs/
> >  obj-$(CONFIG_CACHEFILES)	+= cachefiles/
> >  obj-$(CONFIG_DEBUG_FS)		+= debugfs/
> > +obj-$(CONFIG_DRMFS)		+= drmfs/
> 
> A filesystem does not have to live under fs/. Since this is dedicated
> and tied to the lifetime of drivers/gpu/drm/drm.ko, we will be happier
> with not adding a new MAINTAINERS entry.
> -Chris
> 
Ok, agreed.
So, should we have the drmfs/ source directory (with its associated
files) under drivers/gpu/drm/?
Can you please suggest where should the associated 'DRMFS' config be
defined? Should drm/Kconfig be a good place?