pub(crate) struct DemotionSource {
ptr: *const u8,
comp_len: usize,
alloc_size: usize,
file_slot: FileSlot,
}pool only.Expand description
The arena bytes of a Demoting extent, captured under the chunk lock
for the demoter’s unlocked write.
Fields§
§ptr: *const u8§comp_len: usize§alloc_size: usize§file_slot: FileSlotImplementations§
Source§impl DemotionSource
impl DemotionSource
Sourcepub(crate) unsafe fn write(
&self,
store: &FileStore,
) -> (u32, Result<usize, WriteError>)
pub(crate) unsafe fn write( &self, store: &FileStore, ) -> (u32, Result<usize, WriteError>)
Checksums the stored bytes and writes them to the file slot, returning the checksum and the write’s result.
§Safety
The extent this was captured from must stay in its Demoting home
for the duration of the call: not dropped, and not moved to another
home.
Trait Implementations§
Auto Trait Implementations§
impl !Send for DemotionSource
impl !Sync for DemotionSource
impl Freeze for DemotionSource
impl RefUnwindSafe for DemotionSource
impl Unpin for DemotionSource
impl UnsafeUnpin for DemotionSource
impl UnwindSafe for DemotionSource
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