K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2020-02-08T15:52:20.829149Z
K 7
svn:log
V 180
vfs: tidy up vget_finish and vn_lock

- remove assertion which duplicates vn_lock
- use VNPASS instead of retyping the failure
- report what flags were passed if panicking on them

END