Hello Andrew,

Please apply this series as bug fixes.

This bug fix series covers three nilfs2 log writer-related issues,
including a timer use-after-free issue and potential deadlock issue on
unmount, and a potential freeze issue in event synchronization found
during their analysis.  Details are described in each commit log.

thank you always.

Ryusuke Konishi

Ryusuke Konishi (3):
  nilfs2: fix use-after-free of timer for log writer thread
  nilfs2: fix unexpected freezing of nilfs_segctor_sync()
  nilfs2: fix potential hang in nilfs_detach_log_writer()

 fs/nilfs2/segment.c | 63 +++++++++++++++++++++++++++++++++++----------
 1 file changed, 50 insertions(+), 13 deletions(-)

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2.34.1