tree f7ece30a34a089476f84afc4a95be459a5cb06bf
parent d431a555fcf920e1b5c3e3eba52eb5f5e7836771
author Trond Myklebust <Trond.Myklebust@netapp.com> 1181855316 -0400
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1184125230 -0400

SUNRPC: Optimise rpciod_up()

Instead of taking the mutex every time we just need to increment/decrement
rpciod_users, we can optmise by using atomic_inc_not_zero and
atomic_dec_and_test.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>