gfs2: Rename gfs2_lookup_{ simple => meta }

Function gfs2_lookup_simple() is used for looking up inodes in the
metadata directory tree, so rename it to gfs2_lookup_meta() to closer
match its purpose.  Clean the function up a little on the way.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
3 files changed