nvmet-fc: use RCU proctection for assoc_list

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searching assoc_list protected by rcu_read_lock if list not changed inline.
and according to the rcu list rules.

queue array embedded into nvmet_fc_tgt_assoc protected by rcu_read_lock
according to rcu dereference/assign rules.

queue and assoc object freed after grace period by call_rcu.

tgtport lock taken for changing assoc_list.

Reviewed-by: Eldad Zinger <Eldad.Zinger@dell.com>
Reviewed-by: Elad Grupi <Elad.Grupi@dell.com>
Reviewed-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Leonid Ravich <Leonid.Ravich@emc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

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Leonid Ravich 2021-01-03 20:12:54 +02:00 • committed by Christoph Hellwig

parent 36ca03c830

commit 4e2f02bf77

1 changed files with 38 additions and 43 deletions

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drivers/nvme/target/fc.c

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