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authorChristoph Hellwig <hch@lst.de>2024-07-02 17:10:22 +0200
committerJens Axboe <axboe@kernel.dk>2024-07-03 10:21:16 -0600
commitf8924374fd37a8b41d554acd8b7407af7d354c0d (patch)
treec2dae00ec947121849defabe69d9b54300d444ff /block
parentbf4c89fc8797f5c0964a0c3d561fbe7e8483b62f (diff)
block: call bio_integrity_unmap_free_user from blk_rq_unmap_user
blk_rq_unmap_user always unmaps user space pass-through request. If such a request has integrity data attached it must come from a user mapping as well. Call bio_integrity_unmap_free_user from blk_rq_unmap_user and remove the nvme_unmap_bio wrapper in the nvme driver. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Kanchan Joshi <joshi.k@samsung.com> Reviewed-by: Anuj Gupta <anuj20.g@samsung.com> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Link: https://lore.kernel.org/r/20240702151047.1746127-5-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/bio-integrity.c1
-rw-r--r--block/blk-map.c3
2 files changed, 3 insertions, 1 deletions
diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index c4aed1dfa497..c8757d47e0ef 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -174,7 +174,6 @@ void bio_integrity_unmap_free_user(struct bio *bio)
bio->bi_integrity = NULL;
bio->bi_opf &= ~REQ_INTEGRITY;
}
-EXPORT_SYMBOL(bio_integrity_unmap_free_user);
/**
* bio_integrity_add_page - Attach integrity metadata
diff --git a/block/blk-map.c b/block/blk-map.c
index bce144091128..df5f82d11472 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -757,6 +757,9 @@ int blk_rq_unmap_user(struct bio *bio)
bio_release_pages(bio, bio_data_dir(bio) == READ);
}
+ if (bio_integrity(bio))
+ bio_integrity_unmap_free_user(bio);
+
next_bio = bio;
bio = bio->bi_next;
blk_mq_map_bio_put(next_bio);