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| author | Mike Snitzer <snitzer@redhat.com> | 2020-06-10 16:07:57 -0400 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2020-07-13 11:47:32 -0400 |
| commit | a271a89c6e4773478b1c4f8213dfe8351ea66723 (patch) | |
| tree | 441d280d312781aaba5dbbfd6611184109f007c8 /tools/perf/scripts/python/stackcollapse.py | |
| parent | 69cea0d45a618ad4ae74f36386ef1af5128b2b19 (diff) | |
dm mpath: take m->lock spinlock when testing QUEUE_IF_NO_PATH
Fix multipath_end_io, multipath_end_io_bio and multipath_busy to take
m->lock while testing if MPATHF_QUEUE_IF_NO_PATH bit is set. These are
all slow-path cases when no paths are available so extra locking isn't a
performance hit. Correctness matters most.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions