btrfs: change block group reclaim_mark to bool

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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.

Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Sun YangKai <sunk67188@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Sun YangKai 2026-06-24 12:02:27 +08:00 • committed by David Sterba

parent 77038da5a9

commit c5ac19b985

3 changed files with 5 additions and 3 deletions

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2

fs/btrfs/block-group.c

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4

fs/btrfs/block-group.h

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2

fs/btrfs/space-info.c

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