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MFC 1.47: increment the disk block offset after writing, not before.

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This fixes filesystem corruption when nextboot.conf is located after
cylinder 1023.

PR:		bin/98005
This commit is contained in:
iedowse 2006-06-26 01:44:41 +00:00
parent 5666262af1
commit 3de7d79a42
1 changed files with 3 additions and 3 deletions
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6
sys/boot/i386/libi386/biosdisk.c
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@ -1040,9 +1040,6 @@ bd_write(struct open_disk *od, daddr_t dblk, int blks, caddr_t dest)
*/
if (bbuf != NULL)
bcopy(p, breg, x * BIOSDISK_SECSIZE);
p += (x * BIOSDISK_SECSIZE);
dblk += x;
resid -= x;
/* Loop retrying the operation a couple of times. The BIOS may also retry. */
for (retry = 0; retry < 3; retry++) {
@ -1108,6 +1105,9 @@ bd_write(struct open_disk *od, daddr_t dblk, int blks, caddr_t dest)
free(bbuf);
return(-1);
}
p += (x * BIOSDISK_SECSIZE);
dblk += x;
resid -= x;
}
/* hexdump(dest, (blks * BIOSDISK_SECSIZE)); */