Re: [RFC][PATCHES v2] dentry->d_flags locking

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To: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Subject: Re: [RFC][PATCHES v2] dentry->d_flags locking
From: Christian Brauner <brauner@xxxxxxxxxx>
Date: Wed, 11 Jun 2025 11:47:46 +0200
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Neil Brown <neilb@xxxxxxx>, Miklos Szeredi <miklos@xxxxxxxxxx>, Jan Kara <jack@xxxxxxx>
In-reply-to: <20250611075023.GJ299672@ZenIV>

> Or are you talking about DCACHE_DONTCACHE (i.e. "unhash as soon as
> refcount hits 0", rather than "never hash it at all")?

Yes. The series is doing exactly that.

References:
- [RFC] dentry->d_flags locking
  - From: Al Viro
- Re: [RFC] dentry->d_flags locking
  - From: Christian Brauner
- [RFC][PATCHES v2] dentry->d_flags locking
  - From: Al Viro

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