New ext4 features

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Multiblock Allocation

  • Primary developer: Alex Tomas
  • Status: Patches available
  • Changes on-disk format: No
  • Target Date: ?
  • e2fsprogs changes: No

Delayed Allocation

  • Primary developer: Alex Tomas
  • Status: Patches available
  • Changes on-disk format: No
  • Target Date: ?
  • e2fsprogs changes: No

Break 32000 subdirectory limit

  • Primary developer: Andreas? Ted?
  • Status: Patches available
  • Changes on-disk format: Yes
  • Target Date: ?
  • e2fsprogs changes: Needed

nsec timestamps

  • Primary developer: Andreas? Alex?
  • Status: Patches available
  • Change on-disk format: Yes
  • Target Date: ?
  • e2fsprogs changes: Needed

inode version on disk

  • Primary developer: ?
  • Status: Prototype available
  • Change on-disk format: Yes
  • Target Date: ?
  • e2fsprogs changes: Needed

uninitialized groups

  • Primary developer: ?
  • Status: Prototype available
  • Change on-disk format: Yes
  • Target Date: ?
  • e2fsprogs changes: Needed

journal checksumming

  • Primary developer: Andreas?
  • Status: Prototype available
  • Change on-disk format: Yes
  • Target Date: ?
  • e2fsprogs changes: Needed

persistent preallocation

  • Primary developer: Suparna?
  • Status: In development
  • Change on-disk format: Yes
  • Target Date: ?
  • e2fsprogs changes: Needed
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