Re: [PATCH 09/13] procfs: move dropping pde and pid from ->evict_inode() to ->free_inode()

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To: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH 09/13] procfs: move dropping pde and pid from ->evict_inode() to ->free_inode()
From: Christian Brauner <brauner@xxxxxxxxxx>
Date: Mon, 5 Feb 2024 13:30:38 +0100
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, linux-ext4@xxxxxxxxxxxxxxx, linux-nfs@xxxxxxxxxxxxxxx, Miklos Szeredi <miklos@xxxxxxxxxx>, linux-cifs@xxxxxxxxxxxxxxx
In-reply-to: <20240204021739.1157830-9-viro@zeniv.linux.org.uk>

On Sun, Feb 04, 2024 at 02:17:35AM +0000, Al Viro wrote:
> that keeps both around until struct inode is freed, making access
> to them safe from rcu-pathwalk
> 
> Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> ---

Acked-by: Christian Brauner <brauner@xxxxxxxxxx>

References:
- [PATCHES] RCU pathwalk race fixes
  - From: Al Viro
- [PATCH 01/13] fs/super.c: don't drop ->s_user_ns until we free struct super_block itself
  - From: Al Viro
- [PATCH 09/13] procfs: move dropping pde and pid from ->evict_inode() to ->free_inode()
  - From: Al Viro

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