nvme-auth: convert dhchap_auth_list to an array

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We know exactly how many dhchap contexts we will need, there is no need
to hold a list that we need to protect with a mutex. Convert to
a dynamically allocated array. And dhchap_context access state is
maintained by the chap itself.

Make dhchap_auth_mutex protect only the ctrl host_key and ctrl_key
in a fine-grained lock such that there is no long lasting acquisition
of the lock and no need to take/release this lock when flushing
authentication works.

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>

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This commit is contained in:

Sagi Grimberg 2022-11-13 13:24:20 +02:00 • committed by Christoph Hellwig

parent 546dea18c9

commit aa36d711e9

3 changed files with 69 additions and 55 deletions

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118

drivers/nvme/host/auth.c

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4

drivers/nvme/host/core.c

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2

drivers/nvme/host/nvme.h

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