From: Laurent Barbe <laurent@ksperis.com>
Date: Wed, 10 Apr 2013 22:47:46 +0000 (-0500)
Subject: rbd: revalidate_disk upon rbd resize
X-Git-Tag: v3.12-rc1~575^2~116
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d98df63ea7e87d5df4dce0cece0210e2a777ac00;p=kernel%2Fkernel-generic.git

rbd: revalidate_disk upon rbd resize

If rbd disk is open and rbd resize is done, new size is not
visible by filesystem.  Like is done in virtio-blk and dm driver,
revalidate_disk() permits to update the bd_inode size.

Signed-off-by: Laurent Barbe <laurent@ksperis.com>
Reviewed-by: Alex Elder <elder@inktank.com>
---

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 8a7216d..b2819de 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -2781,6 +2781,7 @@ static int rbd_dev_refresh(struct rbd_device *rbd_dev, u64 *hver)
 	else
 		ret = rbd_dev_v2_refresh(rbd_dev, hver);
 	mutex_unlock(&ctl_mutex);
+	revalidate_disk(rbd_dev->disk);
 
 	return ret;
 }