K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2014-10-30T05:21:12.926183Z
K 7
svn:log
V 236
filedesc: microoptimize fget_unlocked by retrying obtaining reference count
without restarting whole lookup

Restart is only needed when fp was closed by current process, which is a much
rarer event than ref/deref by some other thread.

END