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| author | marcel <marcel@FreeBSD.org> | 2003-11-02 07:58:19 +0000 |
|---|---|---|
| committer | marcel <marcel@FreeBSD.org> | 2003-11-02 07:58:19 +0000 |
| commit | ddedcf0a1f5f10af5e7c4d7d6a2cd08d8a587585 (patch) | |
| tree | 86457ffa293736786f0513188feacc55d3d38030 /lib/libdisk/rules.c | |
| parent | 1bddc356b1744573a6128cf8f8c0fbebfc173571 (diff) | |
| download | FreeBSD-src-ddedcf0a1f5f10af5e7c4d7d6a2cd08d8a587585.zip FreeBSD-src-ddedcf0a1f5f10af5e7c4d7d6a2cd08d8a587585.tar.gz | |
Turn Track_Aligned(), Prev_Track_Aligned(), Next_Track_Aligned(),
Cyl_Aligned(), Prev_Cyl_Aligned() and Next_Cyl_Aligned() into
tautologies on ia64. GPT removes all notion of tracks, heads and
sectors per track, so there are no alignment considerations.
Diffstat (limited to 'lib/libdisk/rules.c')
| -rw-r--r-- | lib/libdisk/rules.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/lib/libdisk/rules.c b/lib/libdisk/rules.c index 30e24a7..b725b32 100644 --- a/lib/libdisk/rules.c +++ b/lib/libdisk/rules.c @@ -26,59 +26,74 @@ __FBSDID("$FreeBSD$"); int Track_Aligned(const struct disk *d, u_long offset) { - +#ifndef __ia64__ if (!d->bios_sect) return 1; if (offset % d->bios_sect) return 0; +#endif /* __ia64__ */ return 1; } u_long Prev_Track_Aligned(const struct disk *d, u_long offset) { - +#ifndef __ia64__ if (!d->bios_sect) return offset; return (offset / d->bios_sect) * d->bios_sect; +#else + return 1; +#endif } u_long Next_Track_Aligned(const struct disk *d, u_long offset) { - +#ifndef __ia64__ if (!d->bios_sect) return offset; return Prev_Track_Aligned(d, offset + d->bios_sect-1); +#else + return 1; +#endif } static int Cyl_Aligned(const struct disk *d, u_long offset) { - +#ifndef __ia64__ if (!d->bios_sect || !d->bios_hd) return 1; if (offset % (d->bios_sect * d->bios_hd)) return 0; +#endif return 1; } u_long Prev_Cyl_Aligned(const struct disk *d, u_long offset) { - +#ifndef __ia64__ if (!d->bios_sect || !d->bios_hd) return offset; - return (offset / (d->bios_sect*d->bios_hd)) * d->bios_sect * d->bios_hd; + return (offset / (d->bios_sect * d->bios_hd)) * d->bios_sect * + d->bios_hd; +#else + return 1; +#endif } u_long Next_Cyl_Aligned(const struct disk *d, u_long offset) { - +#ifndef __ia64__ if (!d->bios_sect || !d->bios_hd) return offset; return Prev_Cyl_Aligned(d,offset + (d->bios_sect * d->bios_hd) - 1); +#else + return 1; +#endif } /* |
