Module Name:	src
Committed By:	chs
Date:		Fri Apr 30 04:29:16 UTC 1999

Modified Files:
	src/sys/uvm [chs-ubc]: uvm_vnode.c
Log Message:
fix uvn_flush() to actually wait for sync i/os.
fix uvm_vnp_setpageblknos() to deal with big ranges.
fix uvm_vnp_zerorange() to not be just totally wrong.
also, use the new ubc_alloc() interface.