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[Bug 1248270] Re: Please set CONFIG_EXT3_FS=n and CONFIG_EXT2_FS=n and CONFIG_EXT4_USE_FOR_EXT23=y

 

@henrix -- that seems to be resolved by the below commit which will be
in the first 3.13 upload:

  commit 30fac0f75da24dd5bb43c9e911d2039a984ac815
  Author: Jan Kara <jack@xxxxxxx>
  Date:   Sun Dec 8 21:11:59 2013 -0500

    ext4: Do not reserve clusters when fs doesn't support extents


** Changed in: linux (Ubuntu Trusty)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1248270

Title:
  Please set CONFIG_EXT3_FS=n and CONFIG_EXT2_FS=n and
  CONFIG_EXT4_USE_FOR_EXT23=y

Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Trusty:
  Fix Released

Bug description:
  When the old code is disabled the ext4 driver takes over and does a
  better job and gives a smaller kernel.  Specifically the ext4 driver
  does a better job of resisting fragmentation since it uses delayed
  allocation, and supports online resize, whereas the ext2 driver does
  not.

  Config changes requested:

  CONFIG_EXT3_FS=y -> n
  CONFIG_EXT2_FS=y -> n
  CONFIG_EXT4_USE_FOR_EXT23 (NEW) -> y

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References