From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Tue, 11 Feb 2014 07:56:53 +0000 (+0100)
Subject: drbd: explicitly submit meta data requests with REQ_NOIDLE
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~74^2~48
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ed912e9d35b4d7d766a530f5dd14513a3ab9f64;p=pandora-kernel.git

drbd: explicitly submit meta data requests with REQ_NOIDLE

For some reason we have assumed NOIDLE was implied
by one of the other flags we set. It is not (anymore?).
Explicitly set REQ_NOIDLE for synchronous meta data updates,
or we can seriously starve random writes when using CFQ.

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