Symbol: IO_RANGELOCKED
sys/kern/coredump_vnode.c
177
len, offset, seg, IO_UNIT | IO_DIRECT | IO_RANGELOCKED,
sys/kern/vfs_vnops.c
3968
if ((ioflag & (IO_NODELOCKED | IO_RANGELOCKED)) == 0)
sys/kern/vfs_vnops.c
685
if ((ioflg & IO_RANGELOCKED) == 0) {