Branch HEAD

Remove "#if FOO" compiler warnings from -Wundef.
(Committed by adilger)

Define FMODE_READ and FMODE_WRITE for use in liblustre
(Committed by green)

Allow test 6 and 7 to be run in isolation.
Fix test file names.
Create test files in $DIR instead of $MOUNT.
(Committed by adilger)

openclose.c: Save errno before calling fprintf().
(Committed by adilger)

sanityN.sh: Kill multiop before exiting, if test fails.
Test is currently excluded, was retesting to see if it worked yet.
b=3192
(Committed by adilger)

r=adilger
r=nathan
r=green