ext4: record the checksum algorithm in use in the superblock
authorDarrick J. Wong <djwong@us.ibm.com>
Sun, 29 Apr 2012 22:25:10 +0000 (18:25 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Sun, 29 Apr 2012 22:25:10 +0000 (18:25 -0400)
commitd25425f8e0ed01fc0167c043aee7e619fc3f6ab2
tree1c88b9de530a45bc79bf96d7acd045114cab480e
parente615391896064eb5a0c760d086b8e1c6ecfffeab
ext4: record the checksum algorithm in use in the superblock

Record the type of checksum algorithm we're using for metadata in the
superblock, in case we ever want/need to change the algorithm.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
fs/ext4/super.c