From: Jeff Layton <jlayton@redhat.com>
Date: Wed, 10 Oct 2012 20:43:13 +0000 (-0400)
Subject: vfs: embed struct filename inside of names_cache allocation if possible
X-Git-Tag: v3.7-rc1~32^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7950e3852ab86826b7349a535d2e8b0000340d7f;p=pandora-kernel.git

vfs: embed struct filename inside of names_cache allocation if possible

In the common case where a name is much smaller than PATH_MAX, an extra
allocation for struct filename is unnecessary. Before allocating a
separate one, try to embed the struct filename inside the buffer first. If
it turns out that that's not long enough, then fall back to allocating a
separate struct filename and redoing the copy.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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