diff options
| author | phk <phk@FreeBSD.org> | 1995-10-06 09:47:58 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 1995-10-06 09:47:58 +0000 |
| commit | 670fb978091c65b05d0eec04e616a288e242d131 (patch) | |
| tree | 35375384aa341db532b683ca247c2d8b66f58c2b /sys/fs | |
| parent | d78eeda10dd9da7bc0f76c2d26e46bc89e10dd6d (diff) | |
| download | FreeBSD-src-670fb978091c65b05d0eec04e616a288e242d131.zip FreeBSD-src-670fb978091c65b05d0eec04e616a288e242d131.tar.gz | |
Avoid some 64bit divides.
Diffstat (limited to 'sys/fs')
| -rw-r--r-- | sys/fs/specfs/spec_vnops.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sys/fs/specfs/spec_vnops.c b/sys/fs/specfs/spec_vnops.c index 1b27852..8705c7b 100644 --- a/sys/fs/specfs/spec_vnops.c +++ b/sys/fs/specfs/spec_vnops.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)spec_vnops.c 8.6 (Berkeley) 4/9/94 - * $Id: spec_vnops.c,v 1.13 1995/07/29 11:40:31 bde Exp $ + * $Id: spec_vnops.c,v 1.14 1995/09/04 00:20:37 dyson Exp $ */ #include <sys/param.h> @@ -251,9 +251,9 @@ spec_read(ap) dpart.part->p_fstype == FS_BSDFFS && dpart.part->p_frag != 0 && dpart.part->p_fsize != 0) bsize = dpart.part->p_frag * dpart.part->p_fsize; - bscale = bsize / DEV_BSIZE; + bscale = bsize >> DEV_BSHIFT; do { - bn = (uio->uio_offset / DEV_BSIZE) &~ (bscale - 1); + bn = (uio->uio_offset >> DEV_BSHIFT) &~ (bscale - 1); on = uio->uio_offset % bsize; n = min((unsigned)(bsize - on), uio->uio_resid); if (vp->v_lastr + bscale == bn) { @@ -331,9 +331,9 @@ spec_write(ap) bsize = dpart.part->p_frag * dpart.part->p_fsize; } - blkmask = (bsize / DEV_BSIZE) - 1; + blkmask = (bsize >> DEV_BSHIFT) - 1; do { - bn = (uio->uio_offset / DEV_BSIZE) &~ blkmask; + bn = (uio->uio_offset >> DEV_BSHIFT) &~ blkmask; on = uio->uio_offset % bsize; n = min((unsigned)(bsize - on), uio->uio_resid); if (n == bsize) |
