Mike Snitzer 1ea3bdf9e9
dm integrity: use dm_bio_record and dm_bio_restore ...
[ Upstream commit 248aa2645aa7fc9175d1107c2593cc90d4af5a4e ]
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 >
Signed-off-by: Sasha Levin <sashal@kernel.org >
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1ea3bdf9e9