#2699 BLOC First D: usb storage does not write dirty blocks properly when unmounting

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#2699: usb storage does not write dirty blocks properly when unmounting
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  Reporter:  dilinger  |       Owner:  dilinger              
      Type:  defect    |      Status:  new                   
  Priority:  blocker   |   Milestone:  First Deployment, V1.0
 Component:  kernel    |     Version:                        
Resolution:            |    Keywords:                        
  Verified:  0         |  
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Changes (by jg):

  * priority:  high => blocker
  * milestone:  Untriaged => First Deployment, V1.0


Comment:

 Build 616.

 I may have just seen this copying a PDF from the Nand journal to a USB
 journal: the metadata for the entries copied, but not the file itself.

 Then again, my bug may be different.

 Either way, unmount failing is a serious data loss problem we need to get
 fixed.

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Ticket URL: <https://dev.laptop.org/ticket/2699#comment:2>
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