Below the conversion to uiomove() for ntfs. In the first three hunks the size passed to uiomove(i) already was of type size_t. I also converted the 'left' variable in ntfs_readattr() to size_t, because it tracks the remainder of 'rsize', which also is size_t.
Index: ntfs/ntfs_subr.c =================================================================== RCS file: /cvs/src/sys/ntfs/ntfs_subr.c,v retrieving revision 1.44 diff -u -p -u -r1.44 ntfs_subr.c --- ntfs/ntfs_subr.c 14 Mar 2015 03:38:52 -0000 1.44 +++ ntfs/ntfs_subr.c 31 Jan 2016 09:44:42 -0000 @@ -1456,7 +1456,7 @@ ntfs_writentvattr_plain(struct ntfsmount } } if (uio) { - error = uiomovei(bp->b_data + off, tocopy, uio); + error = uiomove(bp->b_data + off, tocopy, uio); if (error != 0) break; } else @@ -1554,7 +1554,7 @@ ntfs_readntvattr_plain(struct ntfsmount return (error); } if (uio) { - error = uiomovei(bp->b_data + off, + error = uiomove(bp->b_data + off, tocopy, uio); if (error != 0) break; @@ -1600,7 +1600,7 @@ ntfs_readntvattr_plain(struct ntfsmount } else { DDPRINTF("ntfs_readnvattr_plain: data is in mft record\n"); if (uio) - error = uiomovei(vap->va_datap + roff, rsize, uio); + error = uiomove(vap->va_datap + roff, rsize, uio); else memcpy(rdata, vap->va_datap + roff, rsize); *initp += rsize; @@ -1684,9 +1684,10 @@ ntfs_readattr(struct ntfsmount *ntmp, st if (vap->va_compression && vap->va_compressalg) { u_int8_t *cup; u_int8_t *uup; - off_t off = roff, left = rsize, tocopy; + off_t off = roff; caddr_t data = rdata; cn_t cn; + size_t left = rsize, tocopy; DDPRINTF("ntfs_ntreadattr: compression: %u\n", vap->va_compressalg); @@ -1711,7 +1712,7 @@ ntfs_readattr(struct ntfsmount *ntmp, st if (init == ntfs_cntob(NTFS_COMPUNIT_CL)) { if (uio) - error = uiomovei(cup + off, tocopy, uio); + error = uiomove(cup + off, tocopy, uio); else memcpy(data, cup + off, tocopy); } else if (init == 0) { @@ -1730,7 +1731,7 @@ ntfs_readattr(struct ntfsmount *ntmp, st if (error) break; if (uio) - error = uiomovei(uup + off, tocopy, uio); + error = uiomove(uup + off, tocopy, uio); else memcpy(data, uup + off, tocopy); } cheers, natano