Re: [RFC PATCH V2] tracing: Check f_dentry before accessingevent_file/call in inode->i_private

[Oleg Nesterov]

On 07/09, Masami Hiramatsu wrote:
>
> To avoid this, when opening events/*/*/enable, we have to ensure
> the dentry of the file is not unlinked yet, under event_mutex
> is locked.

Probably this can work, but I am starting to think that this ref
count becomes toooooo complex....

Could you please look at the draft patch I sent in another email?

Oleg.

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