K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2020-02-02T09:38:40.387282Z
K 7
svn:log
V 237
fd: sprinkle some predits around fget

clang inlines fget -> _fget into kern_fstat and eliminates several checkes,
but prior to this change it would assume fget_unlocked was likely to fail
and consequently avoidable jumps got generated.

END