int mdt_quotacheck(struct mdt_thread_info *info);
int mdt_quotactl(struct mdt_thread_info *info);
int mdt_quota_dqacq(struct mdt_thread_info *info);
+int mdt_swap_layouts(struct mdt_thread_info *info);
extern struct lprocfs_vars lprocfs_mds_module_vars[];
extern struct lprocfs_vars lprocfs_mds_obd_vars[];