From: Alex Elder Date: Tue, 30 Apr 2013 05:44:32 +0000 (-0500) Subject: rbd: fix up the layering warning message X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=96882f55c40dcb4cd80b81a4374fdd297109ec98;p=linux-beck.git rbd: fix up the layering warning message A warning gets spewed for any image being probed, including parent images. Set up a condition such that the warning message only gets printed for the image being mapped, not any of its parents. Also, I didn't like the way the warning ended up being so long. Make it a terse warning instead. People experimenting with layering will know what the message means. This is part of: http://tracker.ceph.com/issues/4867 Signed-off-by: Alex Elder Reviewed-by: Josh Durgin --- diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 5c1c38dc0b51..71e2de2cff22 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -4624,8 +4624,15 @@ static int rbd_dev_v2_probe(struct rbd_device *rbd_dev) ret = rbd_dev_v2_parent_info(rbd_dev); if (ret) goto out_err; - rbd_warn(rbd_dev, "WARNING: kernel support for " - "layered rbd images is EXPERIMENTAL!"); + + /* + * Don't print a warning for parent images. We can + * tell this point because we won't know its pool + * name yet (just its pool id). + */ + if (rbd_dev->spec->pool_name) + rbd_warn(rbd_dev, "WARNING: kernel layering " + "is EXPERIMENTAL!"); } /* If the image supports fancy striping, get its parameters */