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Date: Tue, 11 Aug 2020 09:09:36 -0700 From: Linus Torvalds <torvalds@...ux-foundation.org> To: Al Viro <viro@...iv.linux.org.uk> Cc: Miklos Szeredi <miklos@...redi.hu>, linux-fsdevel <linux-fsdevel@...r.kernel.org>, David Howells <dhowells@...hat.com>, Karel Zak <kzak@...hat.com>, Jeff Layton <jlayton@...hat.com>, Miklos Szeredi <mszeredi@...hat.com>, Nicolas Dichtel <nicolas.dichtel@...nd.com>, Christian Brauner <christian@...uner.io>, Lennart Poettering <lennart@...ttering.net>, Linux API <linux-api@...r.kernel.org>, Ian Kent <raven@...maw.net>, LSM <linux-security-module@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: file metadata via fs API (was: [GIT PULL] Filesystem Information) On Tue, Aug 11, 2020 at 9:05 AM Al Viro <viro@...iv.linux.org.uk> wrote: > > Except that you suddenly see non-directory dentries get children. > And a lot of dcache-related logics needs to be changed if that > becomes possible. Yeah, I think you'd basically need to associate a (dynamic) mount-point to that path when you start doing O_ALT. Or something. And it might not be reasonably implementable. I just think that as _interface_ it's unambiguous and fairly clean, and if Miklos can implement something like that, I think it would be maintainable. No? Linus
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