[PATCHv2 2/7] nvme: allow integrity on extended metadata formats

Hannes Reinecke hare at suse.de
Wed Feb 2 05:12:36 PST 2022


On 2/1/22 20:01, Keith Busch wrote:
> The block integrity subsystem knows how to construct protection
> information buffers with metadata beyond the protection information
> fields. Remove the driver restriction.
> 
> Note, this can only work if the PI field appears first in the metadata,
> as the integrity subsystem doesn't calculate guard tags on preceding
> metadata.
> 
> Signed-off-by: Keith Busch <kbusch at kernel.org>
> ---
>   drivers/nvme/host/core.c | 7 ++-----
>   1 file changed, 2 insertions(+), 5 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare at suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		           Kernel Storage Architect
hare at suse.de			                  +49 911 74053 688
SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), GF: Felix Imendörffer



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