nvmet: make sure discovery change log event is protected

Generation counter is protected by nvmet_config_sem. Make sure the
callers that call functions that might change it, are calling it
properly.

Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Reviewed-by: Israel Rukshin <israelr@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Max Gurtovoy 2020-11-25 12:27:36 +00:00 committed by Christoph Hellwig
parent 6d65aeab7b
commit 0068a7b010

View File

@ -69,6 +69,7 @@ void nvmet_subsys_disc_changed(struct nvmet_subsys *subsys,
struct nvmet_port *port;
struct nvmet_subsys_link *s;
lockdep_assert_held(&nvmet_config_sem);
nvmet_genctr++;
list_for_each_entry(port, nvmet_ports, global_entry)