From: Ilya Dryomov <ilya.dryomov@inktank.com>
Date: Fri, 20 Jun 2014 14:29:20 +0000 (+0400)
Subject: rbd: use rbd_obj_watch_request_helper() helper
X-Git-Tag: cleanup-for-v3.18~44^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=76756a51e27984692fe0affa564e89ee8d323e66;p=pandora-kernel.git

rbd: use rbd_obj_watch_request_helper() helper

Switch rbd_dev_header_{un,}watch_sync() to use the new helper and fix
rbd_dev_header_unwatch_sync() to destroy watch_request structures
before queuing watch-remove message while at it.  This mistake slipped
into commit b30a01f2a307 ("rbd: fix osd_request memory leak in
__rbd_dev_header_watch_sync()") and could lead to "image still in use"
errors on image removal.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
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