btrfs: Simplify btrfs_check_super_csum() and get rid of size assumptions

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Now that we have already checked for a valid checksum type before
calling btrfs_check_super_csum(), it can be simplified even further.

While at it get rid of the implicit size assumption of the resulting
checksum as well.

This is a preparation for changing all checksum functionality to use the
crypto layer later.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Johannes Thumshirn 2019-06-03 16:58:55 +02:00 • committed by David Sterba

parent 8dc3f22c8b

commit 51bce6c9b9

1 changed files with 16 additions and 26 deletions

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fs/btrfs/disk-io.c

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