[PATCH 0/8] dm: io accounting & polling improvement

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Hello Guys,

The 1st patch adds bdev based io accounting interface.

The 2nd ~ 5th patches improves dm's io accounting & split, meantime
fixes kernel panic on dm-zone.

The other patches improves io polling & dm io reference handling.


Ming Lei (8):
  block: replace disk based account with bdev's
  dm: don't pass bio to __dm_start_io_acct and dm_end_io_acct
  dm: pass 'dm_io' instance to dm_io_acct directly
  dm: switch to bdev based io accounting interface
  dm: always setup ->orig_bio in alloc_io
  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

 block/blk-core.c              |  15 +--
 drivers/block/zram/zram_drv.c |   5 +-
 drivers/md/dm-core.h          |  17 ++-
 drivers/md/dm-zone.c          |  10 --
 drivers/md/dm.c               | 190 +++++++++++++++++++---------------
 include/linux/blkdev.h        |   7 +-
 6 files changed, 131 insertions(+), 113 deletions(-)

-- 
2.31.1




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