From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Wed, 11 Aug 2010 21:40:24 +0000 (+0200)
Subject: drbd: new configuration parameter c-min-rate
X-Git-Tag: v2.6.37-rc1~167^2~43
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0f0601f4ea2f53cfd8bcae060fb03d9bbde070ec;p=pandora-kernel.git

drbd: new configuration parameter c-min-rate

We now track the data rate of locally submitted resync related requests,
and can thus detect non-resync activity on the lower level device.

If the current sync rate is above c-min-rate, and the lower level device
appears to be busy, we throttle the resyncer.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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