osd/osd_internal_types: wake snaptrimmer on put_read lock, too #13755
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The snaptrimmer can block taking a write lock, which might happen due to a conficting EC read. When the EC read completes, we need to wake up the snaptrimmer. Fixes: http://tracker.ceph.com/issues/19131 Signed-off-by: Sage Weil <sage@redhat.com>
Run all of our cases with no thrashing. This would have uncovered http://tracker.ceph.com/issues/19131 much sooner! Signed-off-by: Sage Weil <sage@redhat.com>
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looks ok in my test run |
jdurgin
approved these changes
Mar 6, 2017
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The snaptrimmer can block taking a write lock, which might happen due to
a conficting EC read. When the EC read completes, we need to wake up the
snaptrimmer.
Fixes: http://tracker.ceph.com/issues/19131
Signed-off-by: Sage Weil sage@redhat.com