Re: [Gluster-devel] [PATCH v9] vfs_glusterfs: Samba VFS module for glusterfs

[Anand Avati]

On 5/29/13 3:27 PM, Anand Avati wrote:
> > > On 05/29/2013 07:21 AM, Anand Avati wrote:
> > > Implement a Samba VFS plugin for glusterfs based on gluster's gfapi.
> > > This is a "bottom" vfs plugin (not something to be stacked on top of
> > > another module), and translates (most) calls into closest actions
> > > on gfapi.
> > Anand before we push this in samba I would like to have an answer about
> > access control.
> >
> > I have tried to find out exactly how access control is handled but the
> > code is complex.
> >
> > However what I found so far is not encouraging.
> >
> > I see things like:
> >
> > #define GF_MAX_AUX_GROUPS 200
> >
> > and then in syncop_create_frame() that value is used to cap the max
> > number of auxiliary groups.
> >
> > In Linux the max number of auxiliary groups is 65536 and we have seen
> > easily 2k auxiliary groups attached to a user in Windows domains.
>
> Currently it is artificially limited to a number. I will work on making
> this dynamic. However this will be a completely internal change to
> glusterfs with no changes in either API or vfs_glusterfs. Thanks for the
> feedback.

I have started working on this. Can we interpret this as a limitation of 
glusterfs, rather than an issue with the VFS module?

Let me know if there are any blockers for the merge.

Thanks,
Avati