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From: Christoph Hellwig <hch@infradead.org>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Anuj Gupta/Anuj Gupta <anuj20.g@samsung.com>,
	jack@suse.cz, anuj1072538@gmail.com, axboe@kernel.dk,
	viro@zeniv.linux.org.uk, brauner@kernel.org, hch@infradead.org,
	linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	joshi.k@samsung.com
Subject: Re: [RFC] fs: add ioctl to query protection info capabilities
Date: Mon, 2 Jun 2025 23:30:36 -0700	[thread overview]
Message-ID: <aD6WjAVeSL0tNv7D@infradead.org> (raw)
In-Reply-To: <yq1sekheek9.fsf@ca-mkp.ca.oracle.com>

On Mon, Jun 02, 2025 at 11:12:38PM -0400, Martin K. Petersen wrote:
> As a result, the block layer considers the opaque metadata part of the
> PI but it technically isn't. It really should be the other way around:
> The PI is a subset of the metadata.
> 
> It would require quite a bit of rototilling to metadata-ize the block
> layer plumbing at this point. But for a new user API, I do think we
> should try to align with the architecture outlined in the standards.

As in exporting the total metadata size and PI tuple size?


  reply	other threads:[~2025-06-03  6:30 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20250527105950epcas5p1b53753ab614bf6bde4ffbf5165c7d263@epcas5p1.samsung.com>
2025-05-27 10:42 ` [RFC] fs: add ioctl to query protection info capabilities Anuj Gupta
2025-05-29  3:02   ` Martin K. Petersen
2025-05-29  7:12     ` Anuj Gupta/Anuj Gupta
2025-05-29 17:59       ` Eric Biggers
2025-05-30  5:24         ` Christian Brauner
2025-06-03 18:43           ` Anuj gupta
2025-06-04  7:53             ` Christian Brauner
2025-06-04  7:57               ` Christoph Hellwig
2025-06-05  8:24                 ` Christian Brauner
2025-05-29 21:14       ` [RFC] " Andreas Dilger
2025-06-03  3:12       ` [RFC] fs: " Martin K. Petersen
2025-06-03  6:30         ` Christoph Hellwig [this message]
2025-06-04  1:48           ` Martin K. Petersen

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