Function reg_requests

mysys/mf_keycache.c:1286–1294

Register requests for a block. SYNOPSIS reg_requests() keycache Pointer to a key cache data structure. block Pointer to the block to register a request on. count Number of requests. Always 1. NOTE The first request unlinks the block from the LRU ring. This means that it is protected against eveiction. RETURN void */

    void
*/
static void reg_requests(KEY_CACHE *keycache, BLOCK_LINK *block, int count)
{
  DBUG_ASSERT(block->status & BLOCK_IN_USE);
  DBUG_ASSERT(block->hash_link);

  if (!block->requests)
    unlink_block(keycache, block);
  block->requests+=count;
}


/*