From: Sagi Grimberg <sagig@mellanox.com>
Date: Wed, 1 Oct 2014 11:02:10 +0000 (+0300)
Subject: IB/iser: Use beacon to indicate all completions were consumed
X-Git-Tag: fixes-against-v3.18-rc2~36^2^3~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ff3dd52d267165347d6f92a90016e692d074a00c;p=pandora-kernel.git

IB/iser: Use beacon to indicate all completions were consumed

Avoid post_send counting (atomic) in the IO path just to keep track of
how many completions we need to consume.  Use a beacon post to indicate
that all prior posts completed.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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