btrfs: clarify btrfs_lookup_bio_sums documentation

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Fix a couple of issues in the btrfs_lookup_bio_sums documentation:

* The bio doesn't need to be a btrfs_io_bio if dst was provided. Move
  the declaration in the code to make that clear, too.
* dst must be large enough to hold nblocks * csum_size, not just
  csum_size.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Omar Sandoval 2020-04-16 14:46:16 -07:00 • committed by David Sterba

parent f337bd7478

commit fb30f4707d

1 changed files with 7 additions and 4 deletions

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fs/btrfs/file-item.c

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