Re: [PATCH 21/52] finish_automount(): simplify the ELOOP check

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To: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH 21/52] finish_automount(): simplify the ELOOP check
From: Christian Brauner <brauner@xxxxxxxxxx>
Date: Mon, 25 Aug 2025 15:02:30 +0200
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, jack@xxxxxxx, torvalds@xxxxxxxxxxxxxxxxxxxx
In-reply-to: <20250825044355.1541941-21-viro@zeniv.linux.org.uk>

On Mon, Aug 25, 2025 at 05:43:24AM +0100, Al Viro wrote:
> It's enough to check that dentries match; if path->dentry is equal to
> m->mnt_root, superblocks will match as well.
> 
> Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> ---

Reviewed-by: Christian Brauner <brauner@xxxxxxxxxx>

References:
- [PATCHED][RFC][CFT] mount-related stuff
  - From: Al Viro
- [PATCH 01/52] fs/namespace.c: fix the namespace_sem guard mess
  - From: Al Viro
- [PATCH 21/52] finish_automount(): simplify the ELOOP check
  - From: Al Viro

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