linux-kernel - Re: [PATCH] rbd: revalidate

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Date:	Wed, 10 Apr 2013 14:30:41 -0500
From:	Alex Elder <elder@...tank.com>
To:	Laurent Barbe <laurent@...eris.com>
CC:	ceph-devel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rbd: revalidate_disk upon rbd resize

On 04/10/2013 11:06 AM, Laurent Barbe wrote:
> 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.

Looks good to me.  I'll take this in via the ceph-client tree.
Thanks a lot.

Reviewed-by: Alex Elder <elder@...tank.com>

> Signed-off-by: Laurent Barbe <laurent@...eris.com>
> ---
>  drivers/block/rbd.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
> index f556f8a..1963025 100644
> --- a/drivers/block/rbd.c
> +++ b/drivers/block/rbd.c
> @@ -2293,6 +2293,7 @@ static void rbd_update_mapping_size(struct rbd_device *rbd_dev)
>  	dout("setting size to %llu sectors", (unsigned long long) size);
>  	rbd_dev->mapping.size = (u64) size;
>  	set_capacity(rbd_dev->disk, size);
> +	revalidate_disk(rbd_dev->disk);
>  }
>  
>  /*
> 

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