[PATCH -next v4 0/4] bugfix for blk-throttle

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Changes in v4:
 - add reviewed-by tag for patch 1
 - add patch 2,3
 - use a different way to fix io hung in patch 4
Changes in v3:
 - fix a check in patch 1
 - fix link err in patch 2 on 32-bit platform
 - handle overflow in patch 2
Changes in v2:
 - use a new solution suggested by Ming
 - change the title of patch 1
 - add patch 2

Patch 1 fix that blk-throttle can't work if multiple bios are throttle,
Patch 2 fix overflow while calculating wait time
Patch 3,4 fix io hung due to configuration updates.

Previous version:
v1: https://lore.kernel.org/all/20220517134909.2910251-1-yukuai3@xxxxxxxxxx/
v2: https://lore.kernel.org/all/20220518072751.1188163-1-yukuai3@xxxxxxxxxx/
v3: https://lore.kernel.org/all/20220519085811.879097-1-yukuai3@xxxxxxxxxx/

Yu Kuai (4):
  blk-throttle: fix that io throttle can only work for single bio
  blk-throttle: prevent overflow while calculating wait time
  blk-throttle: factor out code to calculate ios/bytes_allowed
  blk-throttle: fix io hung due to config updates

 block/blk-throttle.c | 121 ++++++++++++++++++++++++++++++++-----------
 block/blk-throttle.h |   4 ++
 2 files changed, 94 insertions(+), 31 deletions(-)

-- 
2.31.1




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