David Howells 8b6a666a97 afs: Provide an RCU-capable key lookup ...

Provide an RCU-capable key lookup function.  We don't want to call
afs_request_key() in RCU-mode pathwalk as request_key() might sleep, even if
we don't ask it to construct anything as it might find a key that is currently
undergoing construction.

Signed-off-by: David Howells <dhowells@redhat.com>

2019-09-02 11:43:54 +01:00

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