dskread
extern int dskread(void *, unsigned, unsigned);
if (dskread(fs, sblock_try[n] / DEV_BSIZE,
if (dskread(blkbuf, INO_TO_VBA(fs, n, ufs_inode), DBPERVBLK))
if (dskread(indbuf, vbaddr, DBPERVBLK))
if (dskread(blkbuf, vbaddr, n >> DEV_BSHIFT))
if (dskread(label, 0, label_size / DEV_BSIZE) == 0 &&
if (dskread(buf, boff, HAMMER_BUFSIZE >> DEV_BSHIFT))
rc = dskread(buf, off >> DEV_BSHIFT, 16384 >> DEV_BSHIFT);
rc = dskread(buf, off >> DEV_BSHIFT, nbytes >> DEV_BSHIFT);