getblkx
struct m_buf *getblkx(struct m_vnode *vp, off_t loffset, int size, int blkflags,
bp = getblkx(vp, loffset, size, 0, 0);
bp = getblkx(hmp->devvp, j * HAMMER2_ZONE_BYTES64,
dio->bp = getblkx(dio->devvp,
bp = getblkx(ip->vp, lbase, lblksize,
bp = getblkx(ip->vp, lbase, lblksize,
bp = getblkx(ip->vp, lbase, lblksize,