kernel -- Convert sfbuf to use kref.
authorVenkatesh Srinivas <me@endeavour.zapto.org>
Tue, 21 Dec 2010 21:45:27 +0000 (13:45 -0800)
committerVenkatesh Srinivas <me@endeavour.zapto.org>
Tue, 21 Dec 2010 21:45:27 +0000 (13:45 -0800)
commit382a4dbd832587155aff56159b620af64ffbb6e9
treeb24d0ec64f434ce977d6c9875464f276a2e96976
parenta30345325512230ef0d7b4ef4357fb9d2228e401
kernel -- Convert sfbuf to use kref.

kref_dec was also modified to return an int, whether it saw a 1 -> 0
transition (0) or not (1).
share/man/man9/kref.9
sys/kern/kern_ref.c
sys/kern/kern_sfbuf.c
sys/sys/ref.h
sys/sys/sfbuf.h