nvme: change locking for the per-subsystem controller list

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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>

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Christoph Hellwig 2019-05-08 09:48:27 +02:00

parent 521cfb8e5a

commit 32fd90c407

1 changed files with 14 additions and 18 deletions

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drivers/nvme/host/core.c

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