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Sync with sys/boot/i386/libi386/biosdisk.c revision 1.27 and 1.28.

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Submitted by:	Kaho Toshikazu <kaho@elam.kais.kyoto-u.ac.jp>
This commit is contained in:
Yoshihiro Takahashi 2000-03-17 12:38:36 +00:00
parent 05f94cca19
commit b0198bb46f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=58165
1 changed files with 8 additions and 7 deletions
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15
sys/boot/pc98/libpc98/biosdisk.c
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@ -700,10 +700,11 @@ static int
bd_strategy(void *devdata, int rw, daddr_t dblk, size_t size, void *buf, size_t *rsize)
{
struct bcache_devdata bcd;
struct open_disk *od = (struct open_disk *)(((struct i386_devdesc *)devdata)->d_kind.biosdisk.data);
bcd.dv_strategy = bd_realstrategy;
bcd.dv_devdata = devdata;
return(bcache_strategy(&bcd, rw, dblk, size, buf, rsize));
return(bcache_strategy(&bcd, od->od_unit, rw, dblk+od->od_boff, size, buf, rsize));
}
static int
@ -728,18 +729,18 @@ bd_realstrategy(void *devdata, int rw, daddr_t dblk, size_t size, void *buf, siz
blks = size / BIOSDISK_SECSIZE;
DEBUG("read %d from %d+%d to %p", blks, od->od_boff, dblk, buf);
DEBUG("read %d from %d to %p", blks, dblk, buf);
if (rsize)
*rsize = 0;
if (blks && bd_read(od, dblk + od->od_boff, blks, buf)) {
if (blks && bd_read(od, dblk, blks, buf)) {
DEBUG("read error");
return (EIO);
}
#ifdef BD_SUPPORT_FRAGS
DEBUG("bd_strategy: frag read %d from %d+%d+d to %p",
fragsize, od->od_boff, dblk, blks, buf + (blks * BIOSDISK_SECSIZE));
if (fragsize && bd_read(od, dblk + od->od_boff + blks, 1, fragsize)) {
DEBUG("bd_strategy: frag read %d from %d+%d to %p",
fragsize, dblk, blks, buf + (blks * BIOSDISK_SECSIZE));
if (fragsize && bd_read(od, dblk + blks, 1, fragsize)) {
DEBUG("frag read error");
return(EIO);
}