[PATCH] block: unmap and free user mapped integrity via submitter

Jens Axboe axboe at kernel.dk
Fri May 10 06:45:33 PDT 2024


On 5/10/24 3:44 AM, Anuj Gupta wrote:
> +/**
> + * bio_integrity_unmap_free_user - Unmap and free bio user integrity payload
> + * @bio:	bio containing bip to be unmapped and freed
> + *
> + * Description: Used to unmap and free the user mapped integrity portion of a
> + * bio. Submitter attaching the user integrity buffer is responsible for
> + * unmapping and freeing it during completion.
> + */
> +void bio_integrity_unmap_free_user(struct bio *bio)
> +{
> +	struct bio_integrity_payload *bip = bio_integrity(bio);
> +	struct bio_set *bs = bio->bi_pool;
> +
> +	WARN_ON(!(bip->bip_flags & BIP_INTEGRITY_USER));
> +	bio_integrity_unmap_user(bip);
> +	__bio_integrity_free(bs, bip);
> +	bio->bi_integrity = NULL;
> +	bio->bi_opf &= ~REQ_INTEGRITY;
> +}
> +EXPORT_SYMBOL(bio_integrity_unmap_free_user);

Should this be a

	if (WARN_ON_ONCE(!(bip->bip_flags & BIP_INTEGRITY_USER)))
		return;

?

-- 
Jens Axboe




More information about the Linux-nvme mailing list