From: Sagi Grimberg <sagig@mellanox.com>
Date: Tue, 2 Dec 2014 14:57:44 +0000 (+0200)
Subject: iser-target: Introduce isert_poll_budget
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~16^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=37d9fe80a3afc87a3d9f3d83aa0e6137f9fd7cde;p=pandora-kernel.git

iser-target: Introduce isert_poll_budget

In case the CQ is packed with completions, we can't just
hog the CPU forever. Poll until a sufficient budget (currently
hard-coded to 64k completions) and if budget is exhausted, bailout
and give a chance to other threads.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---

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