linux-kernel - Re: [PATCH] virtio-blk: Call revalidate

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Message-ID: <4F7418D8.40900@kernel.dk>
Date:	Thu, 29 Mar 2012 10:10:00 +0200
From:	Jens Axboe <axboe@...nel.dk>
To:	Vivek Goyal <vgoyal@...hat.com>
CC:	linux kernel mailing list <linux-kernel@...r.kernel.org>,
	kvm@...r.kernel.org, Christoph Hellwig <hch@...radead.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Amit Shah <amit.shah@...hat.com>,
	Moyer Jeff Moyer <jmoyer@...hat.com>
Subject: Re: [PATCH] virtio-blk: Call revalidate_disk() upon online disk resize

On 03/28/2012 10:32 PM, Vivek Goyal wrote:
> If a virtio disk is open in guest and a disk resize operation is done,
> (virsh blockresize), new size is not visible to tools like "fdisk -l".
> This seems to be happening as we update only part->nr_sects and not
> bdev->bd_inode size.
> 
> Call revalidate_disk() which should take care of it. I tested growing disk
> size of already open disk and it works for me.

Thanks, obviously right. Applied.

-- 
Jens Axboe

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