Re: [PATCH -next v2] block: fix blktrace debugfs entries leak

From: Yu Kuai
Date: Wed May 31 2023 - 21:50:30 EST

Hi, Christoph

在 2023/05/31 20:44, Christoph Hellwig 写道:
I like where this is going, but did you check that this doesn't
introduce a potential crash with the current /dev/sg based blktrace?

I just start to look at how /dev/sg is created and destroyed, however,
I'm confused here, do you mean that the added blk_trace_shutdown() here
might cause that /dev/sg blktrace to access freed momory or NULL