Naohiro Aota 635da7ea9a btrfs: add block reserve for treelog ...

We need to add a dedicated block_rsv for tree-log, because the block_rsv
serves for a tree node allocation in btrfs_alloc_tree_block(). Currently,
tree-log tree uses fs_info->empty_block_rsv, which is shared across trees
and points to the normal metadata space_info. Instead, we add a dedicated
block_rsv and that block_rsv can use the dedicated sub-space_info.

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>

2025-05-15 14:30:53 +02:00

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