LO_UPGRADABLE
if ((lock->lo_flags & LO_UPGRADABLE) == 0)
if ((lock->lo_flags & LO_UPGRADABLE) == 0)
if ((lock->lo_flags & LO_UPGRADABLE) != 0 &&
LO_INITIALIZED | LO_SLEEPABLE | LO_UPGRADABLE | \
LO_INITIALIZED | LO_RECURSABLE | LO_SLEEPABLE | LO_UPGRADABLE | \