From: Karen Xie <kxie@chelsio.com>
Date: Mon, 15 Jun 2009 18:15:16 +0000 (-0700)
Subject: cxgb3i: use kref to track ddp usage
X-Git-Tag: v2.6.31-rc1~32^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=295ab1b54393aec064533fbc5b483844736ccbf0;p=pandora-kernel.git

cxgb3i: use kref to track ddp usage

The iscsi ddp functionality could be used by multiple iscsi entities,
add a refcnt to keep track of it, so we would not release it pre-maturely.

Signed-off-by: Karen Xie <kxie@chelsio.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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