[PATCH v3 0/1] Multipath io_err_stat fixes

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I found an ABBA deadlock in the io_err_stat marginal path code, and in
the process of fixing it, noticed a potential crash on shutdown. This
patchset addresses both of the issues.

Changes from v2:

0001: This is patch 0006 from v2. It is exactly the same code. But the
commit message now mentions that check_path() no longer switches paths
from delayed to pending.

Changes from v1:

0002: use cleanup_mutex instead of cleanup_unlock as suggested by
Martin

0003: add pthread_testcancel and use cleanup_mutex instead of
cleanup_unlock as suggested by Martin. Also, make tmp_pathvec a constant
pointer, since it should always equal _pathvec.

0004-0006 are new patches to deal with io_err_stat issues from Martin's
review


Benjamin Marzinski (1):
  multipathd: cleanup logging for marginal paths

 libmultipath/io_err_stat.c |  7 +++----
 multipathd/main.c          | 25 ++++++++++++++-----------
 2 files changed, 17 insertions(+), 15 deletions(-)

-- 
2.17.2

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