btrfs: add a btrfs_data_csum_ok helper

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Add a new checksumming helper that wraps btrfs_check_data_csum and
does all the checks to if we're dealing with some form of nodatacsum
I/O.  This helper will be used by the new storage layer checksum
validation and repair code.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Christoph Hellwig 2023-01-21 07:50:06 +01:00 • committed by David Sterba

parent 1c2b3ee3b0

commit e52190441b

2 changed files with 40 additions and 0 deletions

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2

fs/btrfs/btrfs_inode.h

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38

fs/btrfs/inode.c

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