read-only checking must be done by the filesystem layers
date and time created 95/05/24 21:11:51 by mckusick
simpler checkalias protocol
have to unlock at the end of inactive; vrecycle replaces vgone
merge vfs_lock and vfs_busy; interlock mount points properly
convert VOP_LOCK to vn_lock; add parameters to VOP_UNLOCK and vget
convert to use lock manager
convert to using lock manager
mountroot should fail, not panic
use vfs_rootmountalloc
cleanups (from mycroft)
lint
check for forcible unmount at syscall level
change mountlist to CIRCLEQ so we can do unmountall (from mycroft)
add cd9660_sysctl; MOUNT_CD9660 goes away
add cd9660_sysctl; fix prototype for cd9660_init
readdir now produces cookies; cd9660_enotsupp => eopnotsupp
cd9660_init gets a parameter
vgone => VOP_REVOKE
define cd9660_revoke to use vop_revoke
changes from version set by mycroft
cleanups
mycroft updates
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