On 2018-02-25 07:40:05 [+0000], Al Viro wrote:
> FWIW, a variant of that series is in #work.dcache; it's
> almost certainly not the final (I want to clean the things up
> and probably reorder them as well) and it needs one hell of
> profiling and review. It seems to work, and I don't see any
> obvious performance regressions (everything seems to be within
> normal noise), but I'd like it beaten up a lot more.
If you have something in mind, I could fire up something.
> I'll play with cleaning up and reordering tomorrow after I get
> some sleep. In the meanwhile, the current state of that set is at
> git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git #work.dcache
I've put it in -RT, let it do some upgrades and other things and nothing
bad happened so far.