ext4: Calculate and verify checksums for htree nodes

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Calculate and verify the checksum for directory index tree (htree)
node blocks.  The checksum is stored in the last 4 bytes of the htree
block and requires the dx_entry array to stop 1 dx_entry short of the
end of the block.

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

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Darrick J. Wong 2012-04-29 18:39:10 -04:00 • committed by Theodore Ts'o

parent 7ac5990d5a

commit dbe8944404

1 changed files with 156 additions and 4 deletions

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fs/ext4/namei.c

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