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Add a redirect_intent write mode for non-capacitor SSDs

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Vitaliy Filippov
2025-12-02 01:52:12 +03:00
parent f2cbe793e2
commit b17691ba02
4 changed files with 53 additions and 6 deletions
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src/blockstore/blockstore_heap.h
+3
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@@ -265,6 +265,9 @@ public:
// adds a big_write (overwrite) entry to an object
int add_big_write(object_id oid, heap_entry_t *old_head, bool stable, uint64_t version,
uint32_t offset, uint32_t len, uint64_t location, uint8_t *bitmap, uint8_t *data, uint32_t *modified_block);
// adds a "redirecting" big_intent entry to an object (same as big_write, used to avoid fsync on desktop SSDs)
int add_redirect_intent(object_id oid, heap_entry_t **obj_ptr, uint64_t version,
uint32_t offset, uint32_t len, uint64_t location, uint8_t *bitmap, uint8_t *data, uint32_t *modified_block);
// adds a big_intent (atomic partial modification) entry to an object
int add_big_intent(object_id oid, heap_entry_t **obj_ptr, uint64_t version,
uint32_t offset, uint32_t len, uint8_t *bitmap, uint8_t *data, uint8_t *checksums, uint32_t *modified_block);