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Bug #44207
closedmgr/volumes: deadlock when trying to purge large number of trash entries
% Done:
0%
Source:
Community (dev)
Tags:
Backport:
nautilus
Regression:
No
Severity:
2 - major
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
mgr/volumes
Labels (FS):
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
There's a subtle deadlock when purge tasks (via the generic async job machinery) tries to fetch the next job to execute. The volume (filesystem) should be opened in lockless mode since the main thread (command dispatcher thread) serializes access to the volume.
Hit this once when trying to remove large number of trash entries.
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