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freebsd/sys/miscfs/union
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Garrett Wollman bbf3a56610 Add four more filesystem flags: 
VFCF_NETWORK (this FS goes over the net)
	VFCF_READONLY (read-write mounts do not make any sense)
	VFCF_SYNTHETIC (data in this FS is not real)
	VFCF_LOOPBACK (this FS aliases something else)

cd9660 is readonly; nullfs, umapfs, and union are loopback; NFS is netowkr;
procfs, kernfs, and fdesc are synthetic.
1995-03-16 20:23:48 +00:00
..
libc.opendir.c Added $Id$ 1994-08-02 07:55:43 +00:00
README BSD 4.4 Lite Kernel Sources 1994-05-24 10:09:53 +00:00
union_subr.c Cosmetics. reduce the noise from gcc -Wall. 1994-10-10 07:55:48 +00:00
union_vfsops.c Add four more filesystem flags: 1995-03-16 20:23:48 +00:00
union_vnops.c From tim@cs.city.ac.uk (Tim Wilkinson): 1994-11-04 14:41:46 +00:00
union.h Add and move declarations to fix all of the warnings from `gcc -Wimplicit' 1995-03-16 18:17:34 +00:00

README 

If you plan on using union mounts, then you should consider replacing
"libc/gen/opendir.c" in the C library with the file "libc.opendir.c"
in this directory.  The replacement version of opendir() automatically
removes duplicate names when a union stack is encountered.  You will
then need to rebuild the C library and all commands.

@(#)README	8.1 (Berkeley) 2/15/94