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Now that the integrity payload is always freed in bio_uninit, don't
bother freeing it a little earlier in bio_integrity_unmap_free_user.
With that the separate bio_integrity_unmap_free_user can go away by
just passing the bio to bio_integrity_unmap_user.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20240702151047.1746127-7-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Currently __bio_integrity_endio frees the integrity payload unless it is
explicitly marked as user-mapped. This means in-kernel callers that
allocate their own integrity payload never get to see it on I/O
completion. The current two users don't need it as they just pre-mapped
PI tuples received over the network, but this limits uses of integrity
data lot.
Change bio_integrity_endio to call __bio_integrity_endio for block layer
generated integrity data only, and leave freeing of submitter
allocated integrity data to bio_uninit which also gets called from
the final bio_put. This requires that unmapping user mapped or copied
integrity data is now always done by the caller, and the special
BIP_INTEGRITY_USER flag can go away.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20240702151047.1746127-6-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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struct bio_integrity_payload is defined unconditionally. No need to
return void * from bio_integrity() and bio_integrity_alloc().
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/20240702151047.1746127-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Split struct bio_integrity_payload and the related prototypes out of
bio.h into a separate bio-integrity.h header so that it is only pulled
in by the few places that need it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anuj Gupta <anuj20.g@samsung.com>
Reviewed-by: Kanchan Joshi <joshi.k@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/20240702151047.1746127-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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