From: Ed L. Cashin <ecashin@coraid.com>
Date: Fri, 8 Feb 2008 12:20:07 +0000 (-0800)
Subject: aoe: add module parameter for users who need more outstanding I/O
X-Git-Tag: v2.6.25-rc1~172
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7df620d852642d424afc9777fe57880e02c92832;p=pandora-kernel.git

aoe: add module parameter for users who need more outstanding I/O

An AoE target provides an estimate of the number of outstanding commands that
the AoE initiator can send before getting a response.  The aoe_maxout
parameter provides a way to set an even lower limit.  It will not allow a user
to use more outstanding commands than the target permits.  If a user discovers
a problem with a large setting, this parameter provides a way for us to work
with them to debug the problem.  We expect to improve the dynamic window
sizing algorithm and drop this parameter.  For the time being, it is a
debugging aid.

Signed-off-by: Ed L. Cashin <ecashin@coraid.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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