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Diffstat (limited to 'src/cmd/venti/fmtarenas.c')
-rw-r--r--src/cmd/venti/fmtarenas.c114
1 files changed, 0 insertions, 114 deletions
diff --git a/src/cmd/venti/fmtarenas.c b/src/cmd/venti/fmtarenas.c
deleted file mode 100644
index 8e52c56b..00000000
--- a/src/cmd/venti/fmtarenas.c
+++ /dev/null
@@ -1,114 +0,0 @@
-#include "stdinc.h"
-#include "dat.h"
-#include "fns.h"
-
-void
-usage(void)
-{
- fprint(2, "usage: fmtarenas [-Z] [-b blocksize] [-a arenasize] name file\n");
- threadexitsall(0);
-}
-
-void
-threadmain(int argc, char *argv[])
-{
- ArenaPart *ap;
- Part *part;
- Arena *arena;
- u64int addr, limit, asize, apsize;
- char *file, *name, aname[ANameSize];
- int i, n, blocksize, tabsize, zero;
-
- fmtinstall('V', vtscorefmt);
-
- statsinit();
-
- blocksize = 8 * 1024;
- asize = 512 * 1024 *1024;
- tabsize = 64 * 1024; /* BUG: should be determine from number of arenas */
- zero = 1;
- ARGBEGIN{
- case 'a':
- asize = unittoull(ARGF());
- if(asize == TWID64)
- usage();
- break;
- case 'b':
- blocksize = unittoull(ARGF());
- if(blocksize == ~0)
- usage();
- if(blocksize > MaxDiskBlock){
- fprint(2, "block size too large, max %d\n", MaxDiskBlock);
- threadexitsall("usage");
- }
- break;
- case 'Z':
- zero = 0;
- break;
- default:
- usage();
- break;
- }ARGEND
-
- if(argc != 2)
- usage();
-
- name = argv[0];
- file = argv[1];
-
- if(nameok(name) < 0)
- sysfatal("illegal name template %s", name);
-
- part = initpart(file, 1);
- if(part == nil)
- sysfatal("can't open partition %s: %r", file);
-
- if(zero)
- zeropart(part, blocksize);
-
- ap = newarenapart(part, blocksize, tabsize);
- if(ap == nil)
- sysfatal("can't initialize arena: %r");
-
- apsize = ap->size - ap->arenabase;
- n = apsize / asize;
- if(apsize - (n * asize) >= MinArenaSize)
- n++;
-
- fprint(2, "configuring %s with arenas=%d for a total storage of bytes=%lld and directory bytes=%d\n",
- file, n, apsize, ap->tabsize);
-
- ap->narenas = n;
- ap->map = MKNZ(AMap, n);
- ap->arenas = MKNZ(Arena*, n);
-
- addr = ap->arenabase;
- for(i = 0; i < n; i++){
- limit = addr + asize;
- if(limit >= ap->size || ap->size - limit < MinArenaSize){
- limit = ap->size;
- if(limit - addr < MinArenaSize)
- sysfatal("bad arena set math: runt arena at %lld,%lld %lld\n", addr, limit, ap->size);
- }
-
- snprint(aname, ANameSize, "%s%d", name, i);
-
- fprint(2, "adding arena %s at [%lld,%lld)\n", aname, addr, limit);
-
- arena = newarena(part, aname, addr, limit - addr, blocksize);
- if(!arena)
- fprint(2, "can't make new arena %s: %r", aname);
- freearena(arena);
-
- ap->map[i].start = addr;
- ap->map[i].stop = limit;
- namecp(ap->map[i].name, aname);
-
- addr = limit;
- }
-
- if(wbarenapart(ap) < 0)
- fprint(2, "can't write back arena partition header for %s: %r\n", file);
-
- threadexitsall(0);
-}