Changes in v2:
 - split to spearate patches for different problem.
 - add fix tag

Yu Kuai (2):
  sbitmap: fix that same waitqueue can be woken up continuously
  sbitmap: fix possible io hung due to lost wakeups

 lib/sbitmap.c | 60 +++++++++++++++++++++++++++------------------------
 1 file changed, 32 insertions(+), 28 deletions(-)

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2.31.1