[PATCH v2 00/47] e2fsprogs: Add metadata checksumming

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Hi all,

This patchset adds support in e2fsprogs for attaching crc32c checksums to most
of the ext4 metadata objects.  A full design document is on the ext4 wiki[1].
Please see the cover letter for the kernel patches for a more thorough summary
of this work.

Please have a look at the design document and patches, and please feel free to
suggest any changes.

v2: Checksum the MMP block, store the checksum type in the superblock, include
the inode generation in file checksums, and finally solve the problem of limited
space in block groups by splitting the checksum into two halves.

This patchset has been tested on 3.1.0-rc9 on x64, i386, ppc64, and ppc32.  The
patches seems to work fine on all four platforms.

--D

[1] https://ext4.wiki.kernel.org/index.php/Ext4_Metadata_Checksums

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