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    ceph: optimize cap flush waiting · c8799fc4
    Yan, Zheng 提交于
    Add a 'wake' flag to ceph_cap_flush struct, which indicates if there
    is someone waiting for it to finish. When getting flush ack message,
    we check the 'wake' flag in corresponding ceph_cap_flush struct to
    decide if we should wake up waiters. One corner case is that the
    acked cap flush has 'wake' flags is set, but it is not the first one
    on the flushing list. We do not wake up waiters in this case, set
    'wake' flags of preceding ceph_cap_flush struct instead
    Signed-off-by: NYan, Zheng <zyan@redhat.com>
    c8799fc4
super.h 30.3 KB