From: Sage Weil <sage@inktank.com>
Date: Tue, 31 Jul 2012 18:27:36 +0000 (-0700)
Subject: ceph: simplify+fix atomic_open
X-Git-Tag: v3.6-rc1~7^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5ef50c3bec20060bc114f62d6503c5d86d70bdd7;p=pandora-kernel.git

ceph: simplify+fix atomic_open

The initial ->atomic_open op was carried over from the old intent code,
which was incomplete and didn't really work.  Replace it with a fresh
method.  In particular:

 * always attempt to do an atomic open+lookup, both for the create case
   and for lookups of existing files.
 * fix symlink handling by returning 1 to the VFS so that we can follow
   the link to its destination. This fixes a longstanding ceph bug (#2392).

Signed-off-by: Sage Weil <sage@inktank.com>
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