nbd: show read-only state in sysfs

Pass the read-only flag to set_device_ro, so that it will be visible to
the block layer and in sysfs.

Signed-off-by: Paolo Bonzini <[email protected]>
Cc: Paul Clements <[email protected]>
Cc: Alex Bligh <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
1 file changed