From: Yan, Zheng <zyan@redhat.com>
Date: Wed, 10 Dec 2014 08:17:31 +0000 (+0800)
Subject: ceph: fix mksnap crash
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~44^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=275dd19ea4e84c34f985ba097f9cddb539f54a50;p=pandora-kernel.git

ceph: fix mksnap crash

mksnap reply only contain 'target', does not contain 'dentry'. So
it's wrong to use req->r_reply_info.head->is_dentry to detect traceless
reply.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>
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