btrfs: make device scan less noisy

Print the message only when the device is seen for the first time.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
David Sterba 2014-03-26 18:26:36 +01:00 • committed by Chris Mason
commit 60999ca4b4