filters/cache/lru.h

   1 /* nbdkit
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  32
  33 #ifndef NBDKIT_LRU_H
  34 #define NBDKIT_LRU_H
  35
  36 #include <stdbool.h>
  37
  38 /* Initialize LRU. */
  39 extern void lru_init (void);
  40
  41 /* Free the LRU. */
  42 extern void lru_free (void);
  43
  44 /* Notify LRU that the virtual size has changed. */
  45 extern int lru_set_size (uint64_t new_size);
  46
  47 /* Mark a block as recently accessed in the LRU structure. */
  48 extern void lru_set_recently_accessed (uint64_t blknum);
  49
  50 /* Check if a block has been recently accessed. */
  51 extern bool lru_has_been_recently_accessed (uint64_t blknum);
  52
  53 #endif /* NBDKIT_LRU_H */