readblock
if ((error = readblock(snapvp, bp, lbn)) != 0)
(error = readblock(cancelvp, bp, fragstoblks(fs, blkno)))) {
if ((error = readblock(snapvp, bp, lbn)) != 0)
(error = readblock(cancelvp, bp, fragstoblks(fs, blkno)))) {
static int readblock(struct vnode *vp, struct buf *, ufs2_daddr_t);
if ((error = readblock(vp, cbp, lbn)) != 0) {
if ((error = readblock(vp, cbp, lbn)) != 0) {
error = readblock(vp, bp, blockno);
iblk = readblock(cfs.fdr, cfs.blksz);
static struct mkuz_blk *readblock(int, u_int32_t);