-int gfs2_statfs_init(struct gfs2_sbd *sdp);
-void gfs2_statfs_change(struct gfs2_sbd *sdp,
- s64 total, s64 free, s64 dinodes);
-int gfs2_statfs_sync(struct gfs2_sbd *sdp);
-int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change *sc);
-int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change *sc);
+extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
+extern void gfs2_online_uevent(struct gfs2_sbd *sdp);
+extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
+extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
+ s64 dinodes);
+extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
+ const void *buf);
+extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
+ struct buffer_head *l_bh);
+extern int gfs2_statfs_sync(struct super_block *sb, int type);