Re: [PATCH 04/24] sd: update the bdev size in sd_revalidate_disk

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To: Christoph Hellwig <hch@xxxxxx>
Subject: Re: [PATCH 04/24] sd: update the bdev size in sd_revalidate_disk
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Tue, 10 Nov 2020 23:18:05 -0500
Cc: Jens Axboe <axboe@xxxxxxxxx>, Justin Sanders <justin@xxxxxxxxxx>, Josef Bacik <josef@xxxxxxxxxxxxxx>, Ilya Dryomov <idryomov@xxxxxxxxx>, Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx>, "Michael S. Tsirkin" <mst@xxxxxxxxxx>, Jason Wang <jasowang@xxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Stefan Hajnoczi <stefanha@xxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Minchan Kim <minchan@xxxxxxxxxx>, Mike Snitzer <snitzer@xxxxxxxxxx>, Song Liu <song@xxxxxxxxxx>, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, dm-devel@xxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, drbd-dev@xxxxxxxxxxxxxxx, nbd@xxxxxxxxxxxxxxxx, ceph-devel@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx
In-reply-to: <20201106190337.1973127-5-hch@lst.de> (Christoph Hellwig's message of "Fri, 6 Nov 2020 20:03:16 +0100")
Organization: Oracle
References: <20201106190337.1973127-1-hch@lst.de> <20201106190337.1973127-5-hch@lst.de>

Christoph,

> This avoids the extra call to revalidate_disk_size in sd_rescan and
> is otherwise a no-op because the size did not change, or we are in
> the probe path.

Acked-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>

-- 
Martin K. Petersen	Oracle Linux Engineering

References:
- cleanup updating the size of block devices
  - From: Christoph Hellwig
- [PATCH 04/24] sd: update the bdev size in sd_revalidate_disk
  - From: Christoph Hellwig

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