ref: 221b65150f1b9c15551b6d7dd011ce1d882f7ca7
dir: /venti/dat.h/
enum{
ABlockLog = 9, /* log2(512), the quantum for reading arenas */
ANameSize = 64,
MaxDiskBlock = 64*1024, /* max. allowed size for a disk block */
MaxIoSize = 64*1024, /* max. allowed size for a disk io operation */
PartBlank = 256*1024, /* untouched section at beginning of partition */
HeadSize = 512, /* size of a header after PartBlank */
MinArenaSize = 1*1024*1024, /* smallest reasonable arena size */
MaxConfig = 8 * 1024, /* Maximum size of the configuration file */
IndexBase = 1024*1024, /* initial address to use in an index */
MaxIo = 64*1024, /* max size of a single read or write operation */
ICacheBits = 16, /* default bits for indexing icache */
MaxAMap = 31*1024, /* max. allowed arenas in an address mapping; must be < 32*1024 */
};
typedef struct {
uint32_t version;
} arenapart;
typedef struct{
char *index;
/* Amount of memory to use for the cache */
uint64_t mem;
uint32_t naparts;
arenapart **parts;
} config;