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If the mds is standby, when a segment is trimmed, we need to clear the backtrace updates list to avoid the following assertion when the segment is deleted. ./include/elist.h: 92: FAILED assert(_head.empty()) ceph version 0.59-478-g8befbca (8befbca) (MDLog::standby_trim_segments()+0xce5) [0x6ccec5] (MDS::C_MDS_StandbyReplayRestartFinish::finish(int)+0x39) [0x4e86b9] (Journaler::_finish_reprobe(int, unsigned long, Context*)+0x190) [0x6d3210] (Filer::_probed(Filer::Probe*, object_t const&, unsigned long, utime_t)+0x558) [0x704a88] (Objecter::C_Stat::finish(int)+0xc0) [0x705900] (Objecter::handle_osd_op_reply(MOSDOpReply*)+0xe38) [0x6f1df8] (MDS::handle_core_message(Message*)+0xae8) [0x4dc318] (MDS::_dispatch(Message*)+0x2f) [0x4dc4df] (MDS::ms_dispatch(Message*)+0x1db) [0x4ddf7b] (DispatchQueue::entry()+0x341) [0x81f561] (DispatchQueue::DispatchThread::entry()+0xd) [0x79c6ad] (()+0x7e9a) [0x7f346bb9ee9a] (clone()+0x6d) [0x7f346a3574bd] Fixes #4539. Signed-off-by: Sam Lang <sam.lang@inktank.com>
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tasks/mds_client_recovery: client trim its cache on reconnect Reviewed-by: John Spray <john.spray@redhat.com>
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rgw: stop/join TokenCache revoke thread only if started.
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If the mds is standby, when a segment is trimmed, we need
to clear the backtrace updates list to avoid the following
assertion when the segment is deleted.
./include/elist.h: 92: FAILED assert(_head.empty())
ceph version 0.59-478-g8befbca (8befbca)
(MDLog::standby_trim_segments()+0xce5) 0x6ccec5 [0x4e86b9](Journaler::_finish_reprobe%28int, unsigned long, Context*%29+0x190)
[0x6d3210](Filer::_probed%28Filer::Probe*, object_t const&, unsigned long,
utime_t%29+0x558) 0x704a88 0x705900 0x6f1df8 0x4dc318 0x4dc4df 0x4ddf7b 0x81f561 0x79c6ad 0x7f346bb9ee9a [0x7f346a3574bd]
Fixes #4539.
Signed-off-by: Sam Lang sam.lang@inktank.com