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[Ken Sharp <642389@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 716736 ***
    https://bugs.launchpad.net/bugs/716736

** This bug has been marked a duplicate of bug 716736
   ureadhead slow down my boot using btrfs FS for root

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https://bugs.launchpad.net/bugs/642389

Title:
  Ureadahead on btrfs slows down boot

Status in ureadahead package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: ureadahead

  I am running 10.10 beta on btrfs root, but had some boot performance
  isues, found out that ureadahead is slowing down my boot significantly
  (about 5 secconds on the chrono)

  there are two ways to handle this issue:
   - make ureadahead detect that it's on a btrfs and do nothing (the easy lazy way)
   - make ureadahead btrfs compatible (it should be even posible to make use of the btrfs online-defrag feature to improve performance even more)

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