Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/fs/xfs/xfs_qm.h b/fs/xfs/xfs_qm.h
index 3ccf0fb..b41b750 100644
--- a/fs/xfs/xfs_qm.h
+++ b/fs/xfs/xfs_qm.h
@@ -113,12 +113,8 @@
 	return NULL;
 }
 
-extern void	xfs_trans_mod_dquot(struct xfs_trans *,
-					struct xfs_dquot *, uint, long);
-extern int	xfs_trans_reserve_quota_bydquots(struct xfs_trans *,
-			struct xfs_mount *, struct xfs_dquot *,
-			struct xfs_dquot *, struct xfs_dquot *,
-			long, long, uint);
+extern void	xfs_trans_mod_dquot(struct xfs_trans *tp, struct xfs_dquot *dqp,
+				    uint field, int64_t delta);
 extern void	xfs_trans_dqjoin(struct xfs_trans *, struct xfs_dquot *);
 extern void	xfs_trans_log_dquot(struct xfs_trans *, struct xfs_dquot *);