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authorTrond Myklebust <trond.myklebust@primarydata.com>2016-06-24 10:55:49 -0400
committerJ. Bruce Fields <bfields@redhat.com>2016-07-13 15:53:46 -0400
commit4720b0703a0dfcd6da6a308ea71aaacc55beade7 (patch)
treeba3ee87fa167e1678b47efccee59a21f42852395 /net
parentfa9251afc33c81606d70cfe91800a779096442ec (diff)
downloadblackbird-obmc-linux-4720b0703a0dfcd6da6a308ea71aaacc55beade7.tar.gz
blackbird-obmc-linux-4720b0703a0dfcd6da6a308ea71aaacc55beade7.zip
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>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/svcsock.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 03134708deeb..338d6fe1103d 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -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);
}
}
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