From: Alex Elder <elder@inktank.com>
Date: Fri, 24 Aug 2012 04:22:06 +0000 (-0500)
Subject: rbd: don't over-allocate space for object prefix
X-Git-Tag: v3.7-rc1~90^2~55
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=58c17b0e1b2278824aedc5d1201f6a43a38d6a48;p=pandora-kernel.git

rbd: don't over-allocate space for object prefix

In rbd_header_from_disk() the object prefix buffer is sized based on
the maximum size it's block_name equivalent on disk could be.

Instead, only allocate enough to hold null-terminated string from
the on-disk header--or the maximum size of no NUL is found.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Yehuda Sadeh <yehuda@inktank.com>
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