Re: [PATCH v5 0/2] cancel all throttled bios in del_gendisk()

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在 2021/12/18 17:09, yukuai (C) 写道:
在 2021/12/10 16:31, Yu Kuai 写道:
If del_gendisk() is done when some io are still throttled, such io
will not be handled until the throttle is done, which is not
necessary.

Changes in v2:
  - move WARN_ON_ONCE() from throtl_rb_first() to it's caller
  - merge some patches into one.

Changes in v3:
  - some code optimization in patch 1
  - hold queue lock to cancel bios in patch 2

Changes in v4:
  - delete rcu_read_lock() and rcu_read_unlock() in patch 2

Changes in v5:
  - add comment about rcu lock
Friendly ping...

Friendly ping ...


Yu Kuai (2):
   blk-throtl: move WARN_ON_ONCE() from throtl_rb_first() to it's caller
   block: cancel all throttled bios in del_gendisk()

  block/blk-throttle.c | 75 ++++++++++++++++++++++++++++++++++++++++++--
  block/blk-throttle.h |  2 ++
  block/genhd.c        |  2 ++
  3 files changed, 76 insertions(+), 3 deletions(-)




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