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os/bluestore: clone overlay data #7860

Merged
merged 3 commits into from Mar 17, 2016
Merged

os/bluestore: clone overlay data #7860

merged 3 commits into from Mar 17, 2016

Commits on Mar 1, 2016

  1. os/bluestore: make _clone work when object has overlay data. 

    Don't forget copy overlay data when do _clone.
Because bluestore_overlay_max_length & bluestore_overmay_max maybe
changed. So the data of source object maybe not write into overlay for
dest object. For this case, we don't share the extent.

For simple, we don't care whether can write data into overlay.

Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>
    @majianpeng
    majianpeng committed Mar 1, 2016
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  2. os/bluestore: print Enode::hash w/ hex format. 

    Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>
    @majianpeng
    majianpeng committed Mar 1, 2016
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  3. os/bluestore: for _clone, first check source-object whether has extents. 

    Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>
    @majianpeng
    majianpeng committed Mar 1, 2016
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