dm io: Support IO priority
[ Upstream commit 6e5f0f63 ] Some IO will dispatch from kworker with different io_context settings than the submitting task, we may need to specify a priority to avoid losing priority. Add IO priority parameter to dm_io() and update all callers. Co-developed-by: Yibin Ding <yibin.ding@unisoc.com> Signed-off-by: Yibin Ding <yibin.ding@unisoc.com> Signed-off-by: Hongyu Jin <hongyu.jin@unisoc.com> Reviewed-by: Eric Biggers <ebiggers@google.com> Reviewed-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org> Stable-dep-of: b4d78cfe ("dm-integrity: align the outgoing bio in integrity_recheck") Signed-off-by: Sasha Levin <sashal@kernel.org>
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