From: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Date: Thu, 10 Dec 2009 23:52:13 +0000 (+0000)
Subject: dm: abstract dm_in_flight function
X-Git-Tag: v2.6.33-rc1~75^2~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=90abb8c4cec8f0aa4ce58790542e3cf13071601a;p=pandora-kernel.git

dm: abstract dm_in_flight function

This patch adds md_in_flight() to get the number of in_flight I/Os.
No functional change.

This patch is a preparation for a later patch in this series, which
changes I/O counter to md->pending from q->in_flight in request-based dm.

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---

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