btrfs: add common checksum type validation

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Currently btrfs is only supporting CRC32C as checksumming algorithm. As
this is about to change provide a function to validate the checksum type
in the superblock against all possible algorithms.

This makes adding new algorithms easier as there are fewer places to
adjust when adding new algorithms.

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 16:58:53 +02:00 • committed by David Sterba

parent 7ebc7e5f2c

commit e7e16f4882

1 changed files with 19 additions and 10 deletions

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fs/btrfs/disk-io.c

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