git: kernel - Fix race in bio_track_wait()

[Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxxxxx>]

commit bbdc649987534d7086c8e92268a88704e6771fd8
Author: Matthew Dillon <dillon@apollo.backplane.com>
Date:   Sun Oct 17 22:23:52 2010 -0700

    kernel - Fix race in bio_track_wait()
    
    * Remove an improper optimization prior to an atomic cmpset function call.

Summary of changes:
 sys/kern/vfs_bio.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/bbdc649987534d7086c8e92268a88704e6771fd8


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