Re: [GIT PULL] bcachefs changes for 6.12-rc1

[Kent Overstreet]

On Mon, Sep 23, 2024 at 12:07:24PM GMT, Linus Torvalds wrote:
> On Mon, 23 Sept 2024 at 10:18, Linus Torvalds
> <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> >
> > On Sat, 21 Sept 2024 at 12:28, Kent Overstreet
> > <kent.overstreet@xxxxxxxxx> wrote:
> > >
> > > We're now using an rhashtable instead of the system inode hash table;
> > > this is another significant performance improvement on multithreaded
> > > metadata workloads, eliminating more lock contention.
> >
> > So I've pulled this, but I reacted to this issue - what is the load
> > where the inode hash table is actually causing issues?
> 
> Oh, and I also only now noticed that a third of the commits are fairly
> recent and from after the merge window even started.
> 
> Maybe there's a good reason for that, but it sure wasn't explained in
> the pull request. Grr.

I rebased to drop a patch that conflicts with Andrew's tree (the
PF_MEMALLOC_NORECLAIM stuff, which I would still like to chat with him
about since I missed him at Plumbers...)