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SUNRPC: Micro optimisation for svc_data_ready 

Don't call svc_xprt_enqueue() if the XPT_DATA flag is already set.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Trond Myklebust 2016-06-24 10:55:49 -04:00 committed by J. Bruce Fields
parent fa9251afc3
commit 4720b0703a
1 changed files with 2 additions and 2 deletions
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4
net/sunrpc/svcsock.c
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@ -409,8 +409,8 @@ static void svc_data_ready(struct sock *sk)
svsk, sk,
test_bit(XPT_BUSY, &svsk->sk_xprt.xpt_flags));
svsk->sk_odata(sk);
set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags);
svc_xprt_enqueue(&svsk->sk_xprt);
if (!test_and_set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags))
svc_xprt_enqueue(&svsk->sk_xprt);
}
}