Re: [PATCH 1/2] tracing: Make the backup instance readonly

[Steven Rostedt]

On Thu, 8 Jan 2026 11:51:25 +0900
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> wrote:

> > We may need to make sure they can't be changed to write as well. But that
> > will require a change to tracefs (and eventfs).  
> 
> Ah, you mean the permission check is not correctly done in tracefs/eventfs yet?

Actually, i think we could use a different fops for read only instances
that do not have a write callback. And for eventfs we could have it for
read only instances to only create the id and format files.

-- Steve