#define MAX(a,b) (max(a,b))
#define howmany(x, y) (((x)+((y)-1))/(y))
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
-#define qsort(a,n,s,fn) sort(a,n,s,fn,NULL)
/*
* Various platform dependent calls that don't fit anywhere else
*/
+#define xfs_sort(a,n,s,fn) sort(a,n,s,fn,NULL)
#define xfs_stack_trace() dump_stack()
#define xfs_itruncate_data(ip, off) \
(-vmtruncate(LINVFS_GET_IP(XFS_ITOV(ip)), (off)))