From b65917dd2700b7d12e25e2e0bbfd58eb3c932158 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@inktank.com>
Date: Sun, 20 Jan 2013 22:02:39 -0800
Subject: [PATCH] ceph: fix listxattr handling for vxattrs

Only include vxattrs in the result if they are not hidden and exist
(as determined by the exists_cb callback).

Note that the buffer size we return when 0 is passed in always includes
vxattrs that *might* exist, forming an upper bound.

Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Sam Lang <sam.lang@inktank.com>
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