From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Wed, 11 Aug 2010 21:28:00 +0000 (+0200)
Subject: drbd: reduce code duplication when receiving data requests
X-Git-Tag: v2.6.37-rc1~167^2~44
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=80a40e439e5a3f30b0a6210a1add6d7c33392e54;p=pandora-kernel.git

drbd: reduce code duplication when receiving data requests

also canonicalize the return values of read_for_csum
and drbd_rs_begin_io to return -ESOMETHING, or 0 for success.

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