btrfs: zoned: calculate free space from zone capacity

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Now that we introduced capacity in a block group, we need to calculate free
space using the capacity instead of the length. Thus, bytes we account
capacity - alloc_pointer as free, and account bytes [capacity, length] as
zone unusable.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Naohiro Aota 2021-08-19 21:19:10 +09:00 • committed by David Sterba

parent c46c4247ab

commit 98173255bd

4 changed files with 16 additions and 6 deletions

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7

fs/btrfs/block-group.c

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3

fs/btrfs/extent-tree.c

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7

fs/btrfs/free-space-cache.c

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5

fs/btrfs/zoned.c

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