btrfs: add data_race() in btrfs_account_ro_block_groups_free_space()

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Surround the intentional empty list check with the data_race() annotation
so that tools like KCSAN don't report a data race. The race is intentional
as it's harmless and we want to avoid lock contention of the space_info
since its lock is heavily used (space reservation, space flushing, extent
allocation and deallocation, etc).

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.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 2025-10-23 13:24:22 +01:00 • committed by David Sterba

parent 8b6e1f5dce

commit cdf8a566ee

1 changed files with 1 additions and 1 deletions

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fs/btrfs/space-info.c

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