[haiku-bugs] Re: [Haiku] #7344: installer skips files when installing to a usb stick

#7344: installer skips files when installing to a usb stick
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   Reporter:  khallebal               |      Owner:  korli
       Type:  bug                     |     Status:  new
   Priority:  normal                  |  Milestone:  R1
  Component:  Applications/Installer  |    Version:  R1/Development
 Resolution:                          |   Keywords:
 Blocked By:                          |   Blocking:
Has a Patch:  0                       |   Platform:  All
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Comment (by stippi):

 Before reading this ticket and specifically which files are affected, I
 have just now reviewed the Installer copy engine code. It is virtually
 impossible for the engine to skip files. At first I had thought it may be
 due to the multi-threaded copy process used by Installer, but the file,
 folder and symlink copies are all created in the same thread, the reading
 thread. Only the actual writing of file data happens in an extra thread,
 so if there is a bug in that code, the worst that can happen is that
 individual buffers are skipped, i.e. the target files are shorter and
 corrupt due to missing chunks. Since this has never been the case, I doubt
 there is any threading bug in the copy routine. Installer recursively
 iterates all source volume directories. It has a mechanism to skip certain
 files and folders, like the swap file (there is a separate ticket for
 skipping too much in /var). So the only other possible source for this
 problem could be in BDirectory's entry iteration or anywhere below that.
 Another possibility is that it was somehow impossible to open these files
 for reading, but Installer should have reported an error then and failed
 installing.

 I don't really know what to do with this ticket, I don't like closing
 tickets like this without knowing what was/is going on.

-- 
Ticket URL: <http://dev.haiku-os.org/ticket/7344#comment:2>
Haiku <http://dev.haiku-os.org>
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