tree 5156b2b213d58d07902d227a39b997ace8d0b4c2
parent 521cfb8e5a5dd6f2f528d675688f07b962fe4545
author Christoph Hellwig <hch@lst.de> 1557301707 +0200
committer Christoph Hellwig <hch@lst.de> 1557847190 +0200

nvme: change locking for the per-subsystem controller list

Life becomes a lot simpler if we just use the global
nvme_subsystems_lock to protect this list.  Given that it is only
accessed during controller probing and removal that isn't a scalability
problem either.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>