jbd2: change disk layout for metadata checksumming
authorDarrick J. Wong <djwong@us.ibm.com>
Wed, 23 May 2012 02:43:41 +0000 (22:43 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Wed, 23 May 2012 02:43:41 +0000 (22:43 -0400)
Define flags and allocate space in on-disk journal structures to support
checksumming of journal metadata.

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

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