On Thu, Jun 19, 2025 at 12:01:19PM +0200, Christian Brauner wrote:

From bdc53435a1cd5c456dc28d8239eff0e7fa4e8dda Mon Sep 17 00:00:00 2001
From: Christian Brauner <brauner@kernel.org>
Date: Thu, 19 Jun 2025 11:50:26 +0200
Subject: [PATCH] kernfs: remove iattr_mutex

All allocations of struct kernfs_iattrs are serialized through a global
mutex. Simply do a racy allocation and let the first one win. I bet most
callers are under inode->i_rwsem anyway and it wouldn't be needed but
let's not require that.

Signed-off-by: Christian Brauner <brauner@kernel.org>

Acked-by: Tejun Heo <tj@kernel.org>

Thanks.

-- 
tejun