btrfs: add helper to calculate space for delayed references

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Instead of duplicating the logic for calculating how much space is
required for a given number of delayed references, add an inline helper
to encapsulate that logic and use it everywhere we are calculating the
space required.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Filipe Manana 2023-03-21 11:13:55 +00:00 • committed by David Sterba

parent f4160ee878

commit 0e55a54502

3 changed files with 26 additions and 49 deletions

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40

fs/btrfs/delayed-ref.c

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21

fs/btrfs/delayed-ref.h

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14

fs/btrfs/space-info.c

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