tdat.h - plan9port - [fork] Plan 9 from user space
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tdat.h (800B)
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1 typedef struct MetaBlock MetaBlock;
2 typedef struct MetaEntry MetaEntry;
3
4 #define MaxBlock (1UL<<31)
5
6 enum {
7 BytesPerEntry = 100, /* estimate of bytes per dir entries - determines number of index entries in the block */
8 FullPercentage = 80, /* don't allocate in block if more than this percentage full */
9 FlushSize = 200, /* number of blocks to flush */
10 DirtyPercentage = 50 /* maximum percentage of dirty blocks */
11 };
12
13
14 struct MetaEntry
15 {
16 uchar *p;
17 ushort size;
18 };
19
20 struct MetaBlock
21 {
22 int maxsize; /* size of block */
23 int size; /* size used */
24 int free; /* free space within used size */
25 int maxindex; /* entries allocated for table */
26 int nindex; /* amount of table used */
27 int unbotch;
28 uchar *buf;
29 };
30
31 struct VacDirEnum
32 {
33 VacFile *file;
34 u32int boff;
35 int i, n;
36 VacDir *buf;
37 };