dm integrity: use dm_bio_record and dm_bio_restore
In cases where dec_in_flight() has to requeue the integrity_bio_wait work to transfer the rest of the data, the bio's __bi_remaining might already have been decremented to 0, e.g.: if bio passed to underlying data device was split via blk_queue_split(). Use dm_bio_{record,restore} rather than effectively open-coding them in dm-integrity -- these methods now manage __bi_remaining too. Depends-on: f7f0b057a9c1 ("dm bio record: save/restore bi_end_io and bi_integrity") Reported-by: Daniel Glöckner <dg@emlix.com> Suggested-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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