From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 24 Aug 2013 16:08:17 +0000 (-0400)
Subject: cope with potentially long ->d_dname() output for shmem/hugetlb
X-Git-Tag: v3.11-rc7~4^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=118b23022512eb2f41ce42db70dc0568d00be4ba;p=pandora-kernel.git

cope with potentially long ->d_dname() output for shmem/hugetlb

dynamic_dname() is both too much and too little for those - the
output may be well in excess of 64 bytes dynamic_dname() assumes
to be enough (thanks to ashmem feeding really long names to
shmem_file_setup()) and vsnprintf() is an overkill for those
guys.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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