From: Alex Elder <elder@inktank.com>
Date: Wed, 20 Feb 2013 23:32:08 +0000 (-0600)
Subject: rbd: normalize dout() calls
X-Git-Tag: v3.9-rc1~41^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=37206ee5bede14d59306fea3af4c0105d4712342;p=pandora-kernel.git

rbd: normalize dout() calls

Add dout() calls to facilitate tracing of image and object requests.
Change a few existing calls so they use __func__ rather than the
hard-coded function name.  Have calls always add ":" after the name
of the function, and prefix pointer values with a consistent tag
indicating what it represents.  (Note that there remain some older
dout() calls that are left untouched by this patch.)

Issue a warning if rbd_osd_write_callback() ever gets a short write.

This resolves:
    http://tracker.ceph.com/issues/4235

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