linux-kernel - Re: [PATCH] pNFS: Fix disk addr range check in block/scsi layout

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Message-ID: <aGaAeen6x-DjfDE2@infradead.org>
Date: Thu, 3 Jul 2025 06:07:05 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Sergey Bashirov <sergeybashirov@...il.com>
Cc: Christoph Hellwig <hch@...radead.org>,
	Trond Myklebust <trondmy@...nel.org>,
	Anna Schumaker <anna@...nel.org>, linux-nfs@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Konstantin Evtushenko <koevtushenko@...dex.com>
Subject: Re: [PATCH] pNFS: Fix disk addr range check in block/scsi layout

On Wed, Jul 02, 2025 at 04:32:21PM +0300, Sergey Bashirov wrote:
> At the end of the isect translation, disc_addr represents the physical
> disk offset. Thus, end calculated from disk_addr is also a physical disk
> offset. Therefore, range checking should be done using map->disk_offset,
> not map->start.

Looks good:

Reviewed-by: Christoph Hellwig <hch@....de>