From: Chuck Lever <chuck.lever@oracle.com>
Date: Wed, 28 May 2014 14:33:34 +0000 (-0400)
Subject: xprtrmda: Reduce lock contention in completion handlers
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~64^2~5^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7f23f6f6e388d2003c4ecf5d558f3c2191e12530;p=pandora-kernel.git

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 ed23a727 for
more details).

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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