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Date: Mon, 20 Feb 2023 19:27:04 +0000
From: Eric Wong <e@80x24.org>
To: meta@public-inbox.org
Subject: Re: FUSE3 vs read-write IMAP for lei
Message-ID: <20230220192704.M744586@dcvr>
References: <20220804072349.8352-1-e@80x24.org>
 <20221209014112.GA9768@dcvr>
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Eric Wong <e@80x24.org> wrote:
> == FUSE3 - Maildir-oriented FS
> 
> + will require C compiler since old FUSE XS modules don't do
>   FUSE3 (for readdirplus); and going w/o readdirplus is
>   unimaginable for Maildir.
> 
> + I already have existing (unreleased) AGPL-3 work based on
>   FUSE3 + URCU + Perl5 with just-ahead-of-time (JAOT) compilation

Fwiw, I've pushed out a new "fuse3" branch to public-inbox.git:

https://80x24.org/public-inbox.git/80ce906027eeb7b4cc5cc7d3858294927951988a/s/

I think I need some C + URCU in my life to keep my brain working

> * I've seen the light w/ URCU, and can't go back to C without it :P
> 
> - likely Linux-only (not sure how good FUSE support will be if
>   depending on FUSE3 features)

Well, I got rid of the futex requirement from the original...

> - kernel caches still incur nasty memory overhead w/ Maildir
> 
> - readdir(3) userspace API still sucks