linux-kernel - Re: [GIT PULL] bcachefs fixes for 6.15-rc4

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Message-ID: <mlsjl7qigswkjvvqg2bheyagebpm2eo66nyysztnrbpjau2czt@pdxzjedm5nqw>
Date: Fri, 25 Apr 2025 23:00:29 -0400
From: Kent Overstreet <kent.overstreet@...ux.dev>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-bcachefs@...r.kernel.org, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [GIT PULL] bcachefs fixes for 6.15-rc4

On Fri, Apr 25, 2025 at 07:47:09PM -0700, Linus Torvalds wrote:
> On Fri, 25 Apr 2025 at 18:38, Kent Overstreet <kent.overstreet@...ux.dev> wrote:
> >
> > On Fri, Apr 25, 2025 at 09:35:27AM -0700, Linus Torvalds wrote:
> > >
> > > The thing is, you absolutely cannot make the case-insensitive lookup
> > > be the fast case.
> >
> > That's precisely what the dcache code does, and is the source of the
> > problems.
> 
> I think you're confused, and don't know what you are talking about.
> You'd better go learn how the dcache actually works.

No, what I wrote is exactly how CI lookups work with the dcache. Go have
a look.