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Backed out previous commit because it contains wrong changes.

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Pointed out by:	nyan
This commit is contained in:
KATO Takenori 1999-12-09 14:54:02 +00:00
parent aae5d68824
commit e8303833ee
1 changed files with 11 additions and 19 deletions
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30
sys/pc98/pc98/wd.c
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@ -46,9 +46,9 @@
* shouldn't happen (except maybe one for initialization).
* o Support extended DOS partitions.
* o Support swapping to DOS partitions.
* o Handle clustering, disklabelling, DOS
* partitions and swapping driver-independently.
* Swapping will need new
* o Handle bad sectors, clustering, disklabelling, DOS
* partitions and swapping driver-independently. Use
* i386/dkbad.c for bad sectors. Swapping will need new
* driver entries for polled reinit and polled write).
*/
@ -174,6 +174,7 @@ struct disk {
#define DKFL_LABELLING 0x00080 /* readdisklabel() in progress */
#define DKFL_32BIT 0x00100 /* use 32-bit i/o mode */
#define DKFL_MULTI 0x00200 /* use multi-i/o mode */
#define DKFL_BADSCAN 0x00400 /* report all errors */
#define DKFL_USEDMA 0x00800 /* use DMA for data transfers */
#define DKFL_DMA 0x01000 /* using DMA on this transfer-- DKFL_SINGLE
* overrides this
@ -1271,6 +1272,8 @@ wdopen(dev_t dev, int flags, int fmt, struct proc *p)
if (wdtab[du->dk_ctrlr_cmd640].b_active == 2)
wdtab[du->dk_ctrlr_cmd640].b_active = 0;
du->dk_flags &= ~DKFL_BADSCAN;
/* spin waiting for anybody else reading the disk label */
while (du->dk_flags & DKFL_LABELLING)
tsleep((caddr_t)&du->dk_flags, PZERO - 1, "wdopen", 1);
@ -1340,9 +1343,6 @@ wdopen(dev_t dev, int flags, int fmt, struct proc *p)
&du->dk_dd);
/* XXX check value returned by wdwsetctlr(). */
wdwsetctlr(du);
if (msg == NULL && du->dk_dd.d_flags & D_BADSECT)
msg = readbad144(dkmodpart(dev, RAW_PART),
&du->dk_dd, &du->dk_bad);
du->dk_flags &= ~DKFL_LABELLING;
if (msg != NULL) {
log(LOG_WARNING, "wd%d: cannot find label (%s)\n",
@ -1810,7 +1810,8 @@ wdgetctlr(struct disk *du)
}
/*
* Fake minimal drive geometry for reading the MBR.
* readdisklabel() may enlarge it to read the label.
* readdisklabel() may enlarge it to read the label and the
* bad sector table.
*/
du->dk_dd.d_secsize = DEV_BSIZE;
du->dk_dd.d_nsectors = 17;
@ -2028,17 +2029,7 @@ wdioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct proc *p)
#ifdef PC98
outb(0x432,(du->dk_unit)%2);
#endif
switch (cmd) {
case DIOCSBADSCAN:
if (*(int *)addr)
du->dk_flags |= DKFL_BADSCAN;
else
du->dk_flags &= ~DKFL_BADSCAN;
return (0);
default:
return (ENOTTY);
}
return (ENOTTY);
}
int
@ -2072,7 +2063,7 @@ wddump(dev_t dev)
long num; /* number of sectors to write */
int lunit, part;
long blkoff, blknum;
long blkcnt, blknext;
long blkchk, blkcnt, blknext;
u_long ds_offset;
u_long nblocks;
static int wddoingadump = 0;
@ -2155,6 +2146,7 @@ wddump(dev_t dev)
* sector is bad, then reduce reduce the transfer to
* avoid any bad sectors.
*/
out:
/* Compute disk address. */
cylin = blknum / secpercyl;