Revision e1e9b0ac

b/block.c
649 649 
    bs->opaque = g_malloc0(drv->instance_size);
650 650 

  		





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    bs->enable_write_cache = !!(flags & BDRV_O_CACHE_WB);


  		





  
  652
  
    
    open_flags = flags | BDRV_O_CACHE_WB;


  		





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    /*


  		





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     * Clear flags that are internal to the block layer before opening the


  		





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     * image.


  		





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     */


  		





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    open_flags = flags & ~(BDRV_O_SNAPSHOT | BDRV_O_NO_BACKING);


  		





  
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    open_flags &= ~(BDRV_O_SNAPSHOT | BDRV_O_NO_BACKING);


  		





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    /*


  		





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     * Snapshots should be writable.


  		












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