[PATCH v8] Add flags option to get xattr method paired to __vfs_getxattr

[Mike Marshall]

I added this patch series on top of Linux 5.3-rc6 and ran xfstests
on orangefs with no regressions.

Acked-by: Mike Marshall <hubcap at omnibond.com>

-Mike

On Wed, Aug 28, 2019 at 10:40 AM Mark Salyzyn <salyzyn at android.com> wrote:
>
> On 8/28/19 7:24 AM, Christoph Hellwig wrote:
> > On Tue, Aug 27, 2019 at 08:05:15AM -0700, Mark Salyzyn wrote:
> >> Replace arguments for get and set xattr methods, and __vfs_getxattr
> >> and __vfs_setaxtr functions with a reference to the following now
> >> common argument structure:
> > Yikes.  That looks like a mess.  Why can't we pass a kernel-only
> > flag in the existing flags field for ₋>set and add a flags field
> > to ->get?  Passing methods by structure always tends to be a mess.
>
> This was a response to GregKH@ criticism, an earlier patch set just
> added a flag as you stated to get method, until complaints of an
> excessively long argument list and fragility to add or change more
> arguments.
>
> So many ways have been tried to skin this cat ... the risk was taken to
> please some, and we now have hundreds of stakeholders, when the first
> patch set was less than a dozen. A recipe for failure?
>
> -- Mark
>