Re: [PATCH] btrfs: change block group reclaim_mark to bool

On Wed, Jun 24, 2026 at 12:02:27PM +0800, Sun YangKai wrote:
> The reclaim_mark field in struct btrfs_block_group was a u64 that was
> incremented when marking block groups for reclaim during sweeping, but
> the actual counter value was never used - only the zero/non-zero state
> mattered for determining if a block group needed reclaim.
> 
> Convert it to a bool to properly reflect its usage and reduce memory
> footprint by 8 bytes. Update assignments to use true/false instead of
> increment and zero.
> 
> Signed-off-by: Sun YangKai <[email protected]>

Added to for-next, with updated comment. Thanks.