Linux SCSI subsystem development
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From: Christoph Hellwig <hch@lst.de>
To: Anuj Gupta/Anuj Gupta <anuj20.g@samsung.com>
Cc: Christoph Hellwig <hch@lst.de>, Zorro Lang <zlang@kernel.org>,
	fstests@vger.kernel.org,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Kanchan Joshi <joshi.k@samsung.com>,
	John Garry <john.g.garry@oracle.com>,
	"Darrick J. Wong" <djwong@kernel.org>,
	linux-scsi@vger.kernel.org
Subject: Re: [PATCH 6/6] generic: test corruption detection using T10 protection information
Date: Mon, 7 Sep 2026 07:49:26 +0200	[thread overview]
Message-ID: <20260907054926.GC31481@lst.de> (raw)
In-Reply-To: <93041ae8-da31-4482-b12c-04750629f475@samsung.com>

On Thu, Sep 03, 2026 at 11:30:26AM +0530, Anuj Gupta/Anuj Gupta wrote:
> > +	if [ "$last" -eq 1 ]; then
> > +		echo "adding to $phys_blk" >> $seqres.full
> > +		phys_blk=$((phys_blk + 127))
> 
> last sector for a 4096-byte block size would be 1023 not 127 right? 
> maybe use something like this to calculate the last sector?
> 
> phys_blk=$((phys_blk + (128 * blksz / 512) - 1))
> 
> and maybe rename it to phys_sector

Yeah.  Currently we force 512 byte blocks when setting up the
scsi_debug device, but it doesn't hurt to be consistent in the
arithmetics.


  reply	other threads:[~2026-09-07  5:49 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-31  6:45 add tests for file system on devices using protection information v3 Christoph Hellwig
2026-08-31  6:45 ` [PATCH 1/6] common/scsi_debug: don't slow down I/O Christoph Hellwig
2026-08-31  6:45 ` [PATCH 2/6] common: factor out a _bdev_disk_name helper Christoph Hellwig
2026-08-31 17:03   ` Darrick J. Wong
2026-08-31  6:45 ` [PATCH 3/6] common: add a _sysfs_block_integrity_path helper Christoph Hellwig
2026-08-31 17:03   ` Darrick J. Wong
2026-08-31  6:45 ` [PATCH 4/6] add a "pi" group Christoph Hellwig
2026-08-31  6:45 ` [PATCH 5/6] generic: test I/O on devices with T10 protection information Christoph Hellwig
2026-09-01  6:38   ` Kanchan Joshi
2026-09-07  5:48     ` Christoph Hellwig
2026-09-03  6:01   ` Anuj Gupta/Anuj Gupta
2026-08-31  6:45 ` [PATCH 6/6] generic: test corruption detection using " Christoph Hellwig
2026-09-03  6:00   ` Anuj Gupta/Anuj Gupta
2026-09-07  5:49     ` Christoph Hellwig [this message]
  -- strict thread matches above, loose matches on Subject: below --
2026-09-07  7:58 add tests for file system on devices using protection information v4 Christoph Hellwig
2026-09-07  7:58 ` [PATCH 6/6] generic: test corruption detection using T10 protection information Christoph Hellwig
2026-09-08 14:36   ` Kanchan Joshi
2026-09-11  7:08 add tests for file system on devices using protection information v5 Christoph Hellwig
2026-09-11  7:08 ` [PATCH 6/6] generic: test corruption detection using T10 protection information Christoph Hellwig

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