From: Zhen Wei <zwei@novell.com>
Date: Fri, 8 Dec 2006 07:48:17 +0000 (-0700)
Subject: ocfs2: export heartbeat thread pid via configfs
X-Git-Tag: v2.6.20-rc3~6^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=92efc15241ceebc23451691971897020e8563a70;p=pandora-kernel.git

ocfs2: export heartbeat thread pid via configfs

The patch allows the ocfs2 heartbeat thread to prioritize I/O which may
help cut down on spurious fencing. Most of this will be in the tools -
we can have a pid configfs attribute and let userspace (ocfs2_hb_ctl)
calls the ioprio_set syscall after starting heartbeat, but only cfq
scheduler supports I/O priorities now.

Signed-off-by: Zhen Wei <zwei@novell.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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