Re: bad things when too many negative dentries in a directory

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To: Miklos Szeredi <miklos@xxxxxxxxxx>
Subject: Re: bad things when too many negative dentries in a directory
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Sun, 20 Apr 2025 05:49:05 +0100
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, Christian Brauner <brauner@xxxxxxxxxx>, Amir Goldstein <amir73il@xxxxxxxxx>, Jan Kara <jack@xxxxxxx>, Ian Kent <raven@xxxxxxxxxx>
In-reply-to: <CAJfpegs+czRD1=s+o5yNoOp13xH+utQ8jQkJ9ec5283MNT_xmg@mail.gmail.com>

On Fri, Apr 11, 2025 at 11:40:28AM +0200, Miklos Szeredi wrote:

> Except for shrink_dcache_parent() I don't see any uses.  And it's also
> a question whether shrinking negative dentries is useful or not.

One-word answer: umount.

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