On Wed, Apr 04 2001, Herbert Valerio Riedel wrote:
>
> fyi, loop devices over lvm LV's dont work for me...
>
> I've tested with 2.4.3final (and some other 2.4.3 derivates) and two
> lvm'ized partitions with a size of about 1gig each; mke2fs
> just goes into D-state and stays there when applying it to /dev/loop0,
> running it directly on the LV-device works...
this would appear to be an lvm bug, could you try this patch? it's
untested, let me know if it doesn't work and I'll try and reproduce
here.
--
Jens Axboe
--- /opt/kernel/linux-2.4.3/drivers/md/lvm.c Mon Jan 29 01:11:20 2001
+++ drivers/md/lvm.c Thu Apr 5 07:12:14 2001
@@ -1480,14 +1480,14 @@
*/
static int lvm_map(struct buffer_head *bh, int rw)
{
- int minor = MINOR(bh->b_dev);
+ int minor = MINOR(bh->b_rdev);
int ret = 0;
ulong index;
ulong pe_start;
ulong size = bh->b_size >> 9;
ulong rsector_tmp = bh->b_blocknr * size;
ulong rsector_sav;
- kdev_t rdev_tmp = bh->b_dev;
+ kdev_t rdev_tmp = bh->b_rdev;
kdev_t rdev_sav;
vg_t *vg_this = vg[VG_BLK(minor)];
lv_t *lv = vg_this->lv[LV_BLK(minor)];
