[GFS2] split and annotate gfs2_log_head

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/recovery.h b/fs/gfs2/recovery.h
index 961feed..f7235e6 100644
--- a/fs/gfs2/recovery.h
+++ b/fs/gfs2/recovery.h
@@ -26,7 +26,7 @@
 void gfs2_revoke_clean(struct gfs2_sbd *sdp);
 
 int gfs2_find_jhead(struct gfs2_jdesc *jd,
-		    struct gfs2_log_header *head);
+		    struct gfs2_log_header_host *head);
 int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd);
 void gfs2_check_journals(struct gfs2_sbd *sdp);