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block: mark bounce buffering as incompatible with integrity

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None of the few drivers still using the legacy block layer bounce
buffering support integrity metadata.  Explicitly mark the features as
incompatible and stop creating the slab and mempool for integrity
buffers for the bounce bio_set.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anuj Gupta <anuj20.g@samsung.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20250225154449.422989-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2025-02-25 07:44:31 -08:00 committed by Jens Axboe
parent 567abc989e
commit 5fd0268a88
2 changed files with 5 additions and 2 deletions
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5
block/blk-settings.c
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@ -117,6 +117,11 @@ static int blk_validate_integrity_limits(struct queue_limits *lim)
return 0;
}
if (lim->features & BLK_FEAT_BOUNCE_HIGH) {
pr_warn("no bounce buffer support for integrity metadata\n");
return -EINVAL;
}
if (!IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY)) {
pr_warn("integrity support disabled.\n");
return -EINVAL;

2
block/bounce.c
View File

@ -41,8 +41,6 @@ static void init_bounce_bioset(void)
ret = bioset_init(&bounce_bio_set, BIO_POOL_SIZE, 0, BIOSET_NEED_BVECS);
BUG_ON(ret);
if (bioset_integrity_create(&bounce_bio_set, BIO_POOL_SIZE))
BUG_ON(1);
ret = bioset_init(&bounce_bio_split, BIO_POOL_SIZE, 0, 0);
BUG_ON(ret);