tree 2d5bbe316ab638fb2ca983b981bd15e2776e987f
parent 38901e0f240b634467fb31743365af80a006be33
author Alex Elder <elder@inktank.com> 1358533869 -0600
committer Alex Elder <elder@inktank.com> 1359156817 -0600

rbd: don't retry setting up header watch

When an rbd image is initially mapped a watch event is registered so
we can do something if the header object changes.

The code that does this currently loops if initiating the watch
request results in an ERANGE error.  The osds will never return
ERANGE, so there's no reason to do this loop, so get rid of it.

This resolves:
    http://tracker.newdream.net/issues/3860

Note that the problem this loop was intended to solve is a race
between collecting image header information and setting up the watch
on the header object.  The real fix for that problem is described
here:
    http://tracker.newdream.net/issues/3871

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>