30 lines
828 B
Rust
30 lines
828 B
Rust
use anyhow::Result;
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use crate::pdata::btree_builder::*;
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use crate::pdata::space_map::*;
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use crate::pdata::space_map_common::*;
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use crate::write_batcher::*;
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//------------------------------------------
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pub fn write_disk_sm(w: &mut WriteBatcher, sm: &dyn SpaceMap) -> Result<SMRoot> {
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let (index_entries, ref_count_root) = write_common(w, sm)?;
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let mut index_builder: BTreeBuilder<IndexEntry> = BTreeBuilder::new(Box::new(NoopRC {}));
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for (i, ie) in index_entries.iter().enumerate() {
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index_builder.push_value(w, i as u64, *ie)?;
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}
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let bitmap_root = index_builder.complete(w)?;
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w.flush()?;
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Ok(SMRoot {
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nr_blocks: sm.get_nr_blocks()?,
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nr_allocated: sm.get_nr_allocated()?,
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bitmap_root,
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ref_count_root,
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})
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}
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//------------------------------------------
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