Re: [PATCH -next v5 0/8] bugfix and cleanup for blk-throttle

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Hi, Tejun (and Ming, Michal)

Can you guys take a look at this patchset?

Thanks

在 2022/06/09 8:59, Yu Kuai 写道:
在 2022/06/02 19:14, Yu Kuai 写道:
在 2022/05/28 14:43, Yu Kuai 写道:
Changes in v5:
  - add comments in patch 4
  - clear bytes/io_skipped in throtl_start_new_slice_with_credit() in
  patch 4
  - and cleanup patches 5-8
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.
Patch 5-8 are cleanup patches, there are no functional changes, just
some places that I think can be optimized during code review.

friendly ping ...

friendly ping ...

I'll resend this patchset soon if there are still no response.

Thanks,
Kuai

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/ v4: https://lore.kernel.org/all/20220523082633.2324980-1-yukuai3@xxxxxxxxxx/

Yu Kuai (8):
   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
   blk-throttle: use 'READ/WRITE' instead of '0/1'
   blk-throttle: calling throtl_dequeue/enqueue_tg in pairs
   blk-throttle: cleanup tg_update_disptime()
   blk-throttle: clean up flag 'THROTL_TG_PENDING'

  block/blk-throttle.c | 158 +++++++++++++++++++++++++++++--------------
  block/blk-throttle.h |  16 +++--
  2 files changed, 120 insertions(+), 54 deletions(-)




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