Qu Wenruo cdc627e65c btrfs: cleanup duplicated parameters related to can_nocow_file_extent_args ...

The following functions and structures can be simplified using the
btrfs_file_extent structure:

- can_nocow_extent()
  No need to return ram_bytes/orig_block_len through the parameter list,
  the @file_extent parameter contains all the needed info.

- can_nocow_file_extent_args
  The following members are no longer needed:

  * disk_bytenr
    This one is confusing as it's not really the
    btrfs_file_extent_item::disk_bytenr, but where the IO would be,
    thus it's file_extent::disk_bytenr + file_extent::offset now.

  * num_bytes
    Now file_extent::num_bytes.

  * extent_offset
    Now file_extent::offset.

  * disk_num_bytes
    Now file_extent::disk_num_bytes.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

2024-07-11 15:33:21 +02:00

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