K 10
svn:author
V 8
truckman
K 8
svn:date
V 27
2003-11-16T01:11:11.000000Z
K 7
svn:log
V 411
Use "fip->fi_readers == 0 && fip->fi_writers == 0" as the condition for
disposing fifo resources in fifo_cleanup() instead using of
"vp->v_usecount == 1".  There may be other references to the vnode, for
instance by nullfs, at the time fifo_open() or fifo_close() is called,
which could cause a resource leak.

Don't bother grabbing the vnode interlock in fifo_cleanup() since it no
longer accesses v_usecount.

END