tree 7ff0eafbf69010425c69bca61bddbc1c58adc89b
parent fa77dcfafeaa6bc73293c646bfc3d5192dcf0be2
author Darrick J. Wong <djwong@us.ibm.com> 1335739030 -0400
committer Theodore Ts'o <tytso@mit.edu> 1335739030 -0400

ext4: verify and calculate checksums for extent tree  blocks

Calculate and verify the checksum for each extent tree block.  The
checksum is located in the space immediately after the last possible
ext4_extent in the block.  The space is is typically the last 4-8
bytes in the block.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>