Hello, The 1st patch removes get/put io reference in dm_zone_map_bio. The 2nd one improves io referencing. The 3rd patch switches to hold dm_io instance in single list. Ming Lei (3): dm: don't grab target io reference in dm_zone_map_bio dm: improve target io referencing dm: put all polled io into one single list drivers/md/dm-core.h | 9 +---- drivers/md/dm-zone.c | 10 ------ drivers/md/dm.c | 79 ++++++++++++++++++++++++++++---------------- 3 files changed, 51 insertions(+), 47 deletions(-) -- 2.31.1 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel