btrfs: check for supported superblock checksum type before checksum validation

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Now that we have factorerd out the superblock checksum type validation,
we can check for supported superblock checksum types before doing the
actual validation of the superblock read from disk.

This leads the path to further simplifications of
btrfs_check_super_csum() later on.

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

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Johannes Thumshirn 2019-06-03 16:58:54 +02:00 • committed by David Sterba

parent e7e16f4882

commit 8dc3f22c8b

1 changed files with 14 additions and 0 deletions

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fs/btrfs/disk-io.c

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