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由 Peng Tao 提交于
When it is set, generic pnfs would try to send layoutreturn right before last close/delegation_return regard less NFS_LAYOUT_ROC is set or not. LD can then make sure layoutreturn is always sent rather than being omitted. The difference against NFS_LAYOUT_RETURN is that NFS_LAYOUT_RETURN_BEFORE_CLOSE does not block usage of the layout so LD can set it and expect generic layer to try pnfs path at the same time. Signed-off-by: NPeng Tao <tao.peng@primarydata.com> Signed-off-by: NTom Haynes <loghyr@primarydata.com>
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