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SUNRPC: Add lockless lookup of the server's auth domain

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Avoid taking the global auth_domain_lock in most lookups of the auth domain
by adding an RCU protected lookup.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Trond Myklebust
2018-10-01 10:41:44 -04:00
committed by J. Bruce Fields
parent 30382d6ce5
commit 608a0ab2f5
4 changed files with 36 additions and 6 deletions
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include/linux/sunrpc/svcauth.h
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@@ -82,6 +82,7 @@ struct auth_domain {
struct hlist_node hash;
char *name;
struct auth_ops *flavour;
struct rcu_head rcu_head;
};
/*