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Pass unit number to bcache_strategy(), so that the cache can be

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flushed if the unit changes. Compute the absolute offset before
bcache_strategy() instead of after.

The actual fix is sligthly different for the one in the PR.

PR:		17098
Submitted by:	John Hood <jhood@sitaranetworks.com>
This commit is contained in:
Daniel C. Sobral 2000-03-15 01:53:34 +00:00
parent 6a469f6dc1
commit fbc9fa5059
1 changed files with 3 additions and 2 deletions
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5
sys/boot/alpha/libalpha/srmdisk.c
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@ -332,10 +332,11 @@ 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 *)devdata;
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
@ -353,7 +354,7 @@ bd_realstrategy(void *devdata, int flag, daddr_t dblk, size_t size, void *buf, s
if (rsize)
*rsize = 0;
ret.bits = prom_read(od->od_fd, size, buf, dblk + od->od_boff);
ret.bits = prom_read(od->od_fd, size, buf, dblk);
if (ret.u.status) {
D(printf("read error\n"));
return (EIO);