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(parent: dd94e35) | patch
xprtrmda: Reduce lock contention in completion handlers
authorChuck Lever <chuck.lever@oracle.com>
Wed, 28 May 2014 14:33:34 +0000 (10:33 -0400)
committerAnna Schumaker <Anna.Schumaker@Netapp.com>
Wed, 4 Jun 2014 12:56:43 +0000 (08:56 -0400)
commitbff8e28ea7400c04d788149bfae7b2ab50439cba
tree082b8cfb518dd87fe8b0ff6e70f371022c12e180tree | snapshot
parentdd94e356e2b87da10b1fe5c666ec590e50995439commit | diff
xprtrmda: Reduce lock contention in completion handlers

Skip the ib_poll_cq() after re-arming, if the provider knows there
are no additional items waiting. (Have a look at commit 3ed2b031 for
more details).

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
net/sunrpc/xprtrdma/verbs.c diff | blob | history
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