From: Kanchan Joshi <joshi.k@samsung.com>
To: Milan Broz <gmazyland@gmail.com>,
linux-block <linux-block@vger.kernel.org>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
Christoph Hellwig <hch@infradead.org>,
"dm-devel@lists.linux.dev" <dm-devel@lists.linux.dev>
Subject: Re: sysfs integrity fields use
Date: Tue, 25 Feb 2025 16:14:03 +0530 [thread overview]
Message-ID: <f6949dd3-220a-4ae8-93aa-d2dd90a3abbd@samsung.com> (raw)
In-Reply-To: <823d3261-671d-41cb-ab15-10a361c48bca@samsung.com>
On 2/25/2025 3:40 PM, Kanchan Joshi wrote:
>> According to docs, this is "Number of bytes of integrity tag space
>> available per 512 bytes of data."
>> (I think 512 bytes is incorrect; it should be sector size, or perhaps
>> value in protection_interval_bytes, though.)
>>
>> Then we have new (undocumented) value for NVMe in
>> -/sys/block/<nvme>/integrity/metadata_bytes
>> This contains the correct 64.
> Maybe you mean "/sys/block/>/metadata_bytes"?
/sys/block/<nvme>/metadata_bytes.
next prev parent reply other threads:[~2025-02-25 10:44 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20250225092525epcas5p31dd0a19ffdfb39f3f2ce4acd1c6da7ee@epcas5p3.samsung.com>
2025-02-25 9:23 ` sysfs integrity fields use Milan Broz
2025-02-25 10:10 ` Kanchan Joshi
2025-02-25 10:44 ` Kanchan Joshi [this message]
2025-02-25 11:03 ` Milan Broz
2025-02-26 10:04 ` Kanchan Joshi
2025-02-25 15:38 ` Christoph Hellwig
2025-02-26 14:02 ` Milan Broz
2025-02-27 14:46 ` [PATCH] docs: sysfs-block: Clarify integrity sysfs attributes for non-PI metadata Milan Broz
2025-03-03 17:25 ` Martin K. Petersen
2025-03-03 18:52 ` Milan Broz
2025-03-06 2:28 ` Martin K. Petersen
2025-03-18 15:44 ` [PATCH] docs: sysfs-block: Clarify integrity sysfs attributes Milan Broz
2025-03-20 7:04 ` Christoph Hellwig
2025-03-20 11:44 ` Jens Axboe
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