ext4: fix superblock checksum failure when setting password salt
When setting password salt in the superblock, we forget to recompute the superblock checksum so it will not match until the next superblock modification which recomputes the checksum. Fix it. CC: Michael Halcrow <mhalcrow@google.com> Reported-by: NAndreas Dilger <adilger@dilger.ca> Fixes: 9bd8212f ("ext4 crypto: add encryption policy and password salt support") Signed-off-by: NJan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20201216101844.22917-8-jack@suse.czSigned-off-by: NTheodore Ts'o <tytso@mit.edu>
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