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(parent: 0441984) | patch
ext4: calculate and verify superblock checksum
authorDarrick J. Wong <djwong@us.ibm.com>
Sun, 29 Apr 2012 22:29:10 +0000 (18:29 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Sun, 29 Apr 2012 22:29:10 +0000 (18:29 -0400)
commita9c4731780544d52b243bf46e4dd635c67fa9f84
treedc735f2f59fa2107e8fed8e3d26f259557e34008tree | snapshot (tar.gz zip)
parent0441984a3398970ab4820410b9cf4ff85bf3a6b0commit | diff
ext4: calculate and verify superblock checksum

Calculate and verify the superblock checksum.  Since the UUID and
block group number are embedded in each copy of the superblock, we
need only checksum the entire block.  Refactor some of the code to
eliminate open-coding of the checksum update call.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
fs/ext4/ext4.h diff | blob | blame | history
fs/ext4/ext4_jbd2.c diff | blob | blame | history
fs/ext4/ext4_jbd2.h diff | blob | blame | history
fs/ext4/inode.c diff | blob | blame | history
fs/ext4/namei.c diff | blob | blame | history
fs/ext4/resize.c diff | blob | blame | history
fs/ext4/super.c diff | blob | blame | history