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Round up to the nearest eight sectors #3671

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Aug 13, 2024
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Round up to the nearest eight sectors #3671

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3 changes: 2 additions & 1 deletion src/engine/strat_engine/backstore/blockdev/v2.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -46,10 +46,11 @@ use crate::{
/// This is a slight overestimation for the sake of simplicity. Because it uses the whole disk
/// size, once the integrity metadata size is calculated, the remaining data size is now smaller
/// than the metadata region could support for integrity.
/// The result is divisible by 8 sectors.
pub fn integrity_meta_space(total_space: Sectors) -> Sectors {
Bytes(4096).sectors()
+ Bytes::from(64 * IEC::Mi).sectors()
+ Bytes::from((*total_space * 32u64 + 4095) & !4096).sectors()
+ Bytes::from((*total_space * 32u64 + 4095) & !4095).sectors()
}

/// Return the amount of space required for RAID for a device of the given size.
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