On Saturday November 4, cizek@xxxxxxx wrote:
> Hi,
>
> I'm setting up a raid 5 system and I ran across a bug when reshaping an
> array with a mounted XFS filesystem on it. This is under linux 2.6.18.2
> and mdadm 2.5.5
>
...
> root@localhost $ mdadm --detail /dev/md4
> /dev/md4:
> Version : 00.90.03
> Creation Time : Sat Nov 4 18:58:59 2006
> Raid Level : raid5
> >>
> >> Array Size : 2086592 (2038.03 MiB 2136.67 MB)
> >>
> Device Size : 10482240 (10.00 GiB 10.73 GB)
> Raid Devices : 4
> Total Devices : 4
> Preferred Minor : 4
> Persistence : Superblock is persistent
>
> (2086592 != 31446720 -- Bad, much too small)
You have CONFIG_LBD=n don't you?
Thanks for the report. This should fix it. Please let me know if it does.
NeilBrown
Signed-off-by: Neil Brown <neilb@xxxxxxx>
### Diffstat output
./drivers/md/raid5.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff .prev/drivers/md/raid5.c ./drivers/md/raid5.c
--- .prev/drivers/md/raid5.c 2006-11-03 15:11:52.000000000 +1100
+++ ./drivers/md/raid5.c 2006-11-06 09:55:20.000000000 +1100
@@ -3909,7 +3909,7 @@ static void end_reshape(raid5_conf_t *co
bdev = bdget_disk(conf->mddev->gendisk, 0);
if (bdev) {
mutex_lock(&bdev->bd_inode->i_mutex);
- i_size_write(bdev->bd_inode, conf->mddev->array_size << 10);
+ i_size_write(bdev->bd_inode, (loff_t)conf->mddev->array_size << 10);
mutex_unlock(&bdev->bd_inode->i_mutex);
bdput(bdev);
}
-
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
