diff options
Diffstat (limited to 'drivers/block/xen-blkback')
| -rw-r--r-- | drivers/block/xen-blkback/xenbus.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index 4a4749c78942..7b06f943371c 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -782,6 +782,11 @@ again: dev->nodename); goto abort; } + err = xenbus_printf(xbt, dev->nodename, "physical-sector-size", "%u", + bdev_physical_block_size(be->blkif->vbd.bdev)); + if (err) + xenbus_dev_error(dev, err, "writing %s/physical-sector-size", + dev->nodename); err = xenbus_transaction_end(xbt, 0); if (err == -EAGAIN) |