Symbol: ud_freesp
usr/src/uts/common/fs/udfs/udf_vnops.c
1650
error = ud_freesp(vp, bfp, flag, cr);
usr/src/uts/common/sys/fs/udf_inode.h
657
int32_t ud_freesp(struct vnode *, struct flock64 *, int32_t,