From: Mikulas Patocka <mpatocka@redhat.com>
Date: Thu, 24 Apr 2008 21:10:42 +0000 (+0100)
Subject: dm raid1: use timer
X-Git-Tag: v2.6.26-rc1~1064^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a2aebe03be60ae4da03507a00d60211d5e0327c3;p=pandora-kernel.git

dm raid1: use timer

This patch replaces the schedule() in the main kmirrord thread with a timer.
The schedule() could introduce an unwanted delay when work is ready to be
processed.

The code instead calls wake() when there's work to be done immediately, and
delayed_wake() after a failure to give a short delay before retrying.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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