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rgw: fix list op raced with put op maybe cause index delete (copy + fix) #41978

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rgw: fix list op raced with put op maybe cause index delete (copy + fix) #41978

wants to merge 3 commits into from

Commits on Jun 22, 2021

  1. rgw: fix list op raced with put op maybe cause index delete 

    a special sequence can cause this new situation.
IO sequence:
1.put index prepare
2.list, get stale index
3.check_disk_state, find the head obj not exist
4.write head obj
5.index complete
6.aio_operate dir_suggest_changes CEPH_RGW_REMOVE
step 6 will delete the index

Fixes: http://tracker.ceph.com/issues/24744

Signed-off-by: Tianshan Qu <tianshan@xsky.com>
    @tianshan @ivancich
    tianshan authored and ivancich committed Jun 22, 2021
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  2. test/rgw: add cases for index dir_suggest_changes 

    1.recover index from put crash after complete
2.list raced with put, index_suggest should not delete index
3.list raced with delete, index_suggest should not recover index

Signed-off-by: Tianshan Qu <tianshan@xsky.com>
    @tianshan @ivancich
    tianshan authored and ivancich committed Jun 22, 2021
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  3. test/rgw: conform newer cls_rgw testing code to current APIs 

    When these tests were initially added, the APIs were different. This
updates them to the current versions, so it will compile.

Signed-off-by: J. Eric Ivancich <ivancich@redhat.com>
    @ivancich
    ivancich committed Jun 22, 2021
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