diff options
Diffstat (limited to 'sys/i386/boot/disk.c')
| -rw-r--r-- | sys/i386/boot/disk.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/i386/boot/disk.c b/sys/i386/boot/disk.c index 7e957de72ed3..1c7712f10517 100644 --- a/sys/i386/boot/disk.c +++ b/sys/i386/boot/disk.c @@ -24,7 +24,7 @@ * the rights to redistribute these changes. * * from: Mach, Revision 2.2 92/04/04 11:35:49 rpd - * $Id: disk.c,v 1.3 1993/10/16 19:11:34 rgrimes Exp $ + * $Id: disk.c,v 1.4 1994/02/22 22:59:40 rgrimes Exp $ */ #include "boot.h" @@ -166,13 +166,14 @@ devread() */ #define RA_SECTORS 18 static char ra_buf[RA_SECTORS * BPS]; +static int ra_dev; static int ra_end; static int ra_first; Bread(dosdev,sector) int dosdev,sector; { - if (sector < ra_first || sector >= ra_end) + if (dosdev != ra_dev || sector < ra_first || sector >= ra_end) { int cyl, head, sec, nsec; @@ -192,6 +193,7 @@ Bread(dosdev,sector) twiddle(); } } + ra_dev = dosdev; ra_first = sector; ra_end = sector + nsec; } |