Hello, On Fri, Jan 24, 2025 at 06:46:12PM +0100, Sebastian Andrzej Siewior wrote: ... > to avoid holding a global lock during a page fault. The lock drop is > wrong since the support of renames and not a big burden since the lock > is no longer global. It's still a pretty big lock. Hopefully, at least name accesses can be converted to rcu protected ones later? > Don't re-acquire kernfs_root::kernfs_rwsem while copying the name to the > userpace buffer. > > Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> Thanks. -- tejun