Re: [PATCH v5 0/4] Charge loop device i/o to issuing cgroup

From: Christoph Hellwig
Date: Wed May 27 2020 - 01:09:51 EST

On Tue, May 26, 2020 at 10:28:03AM -0400, Dan Schatzberg wrote:
> Will do - I'll split out the lock-use refactor into a separate
> patch. Do you have particular concerns about re-using the existing
> spinlock? Its existing use is not contended so I didn't see any harm
> in extending its use. I'll add this justification to the commit
> message as well, but I'm tempted to leave the re-use as is instead of
> creating a new lock.

Please don't share a lock for entirely separate critical sections that
are used from different contexts.