From: Alex Elder <elder@inktank.com>
Date: Fri, 31 Aug 2012 22:29:55 +0000 (-0500)
Subject: rbd: activate v2 image support
X-Git-Tag: firefly_0821_release~3680^2~1324^2~66
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=35152979e6181b1fbb4b61c3ff641c14df53ad66;p=firefly-linux-kernel-4.4.55.git

rbd: activate v2 image support

Now that v2 images support is fully implemented, have
rbd_dev_v2_probe() return 0 to indicate a successful probe.

(Note that an image that implements layering will fail
the probe early because of the feature chekc.)

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
---

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 0f260a6e97c4..8f56d37637a7 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -3014,7 +3014,7 @@ static int rbd_dev_v2_probe(struct rbd_device *rbd_dev)
 	dout("discovered version 2 image, header name is %s\n",
 		rbd_dev->header_name);
 
-	return -ENOTSUPP;
+	return 0;
 out_err:
 	kfree(rbd_dev->header_name);
 	rbd_dev->header_name = NULL;