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venti: allow partition syntax in verifyarena (Michael Kaminsky)

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This commit is contained in:
Russ Cox 2007-08-23 11:53:47 -04:00
parent 6610dac99c
commit 2432b7b1e5
1 changed files with 9 additions and 5 deletions
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14
src/cmd/venti/srv/verifyarena.c
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@ -7,6 +7,7 @@ static int fd;
static uchar *data;
static int blocksize;
static int sleepms;
static vlong offset0;
void
usage(void)
@ -22,7 +23,7 @@ preadblock(uchar *buf, int n, vlong off)
for(nr = 0; nr < n; nr += m){
m = n - nr;
m = pread(fd, &buf[nr], m, off+nr);
m = pread(fd, &buf[nr], m, offset0+off+nr);
if(m <= 0){
if(m == 0)
werrstr("early eof");
@ -175,7 +176,8 @@ threadmain(int argc, char *argv[])
char *p, *q, *table, *f[10], line[256];
vlong start, stop;
ArenaPart ap;
Part *part;
needzeroscore();
ventifmtinstall();
blocksize = MaxIoSize;
@ -201,8 +203,10 @@ threadmain(int argc, char *argv[])
threadexitsall(nil);
}
if((fd = open(argv[0], OREAD)) < 0)
sysfatal("open %s: %r", argv[0]);
if((part = initpart(argv[0], OREAD)) == nil)
sysfatal("open partition %s: %r", argv[0]);
fd = part->fd;
offset0 = part->offset;
if(preadblock(data, 8192, PartBlank) < 0)
sysfatal("read arena part header: %r");
@ -249,7 +253,7 @@ threadmain(int argc, char *argv[])
fprint(2, "%T %s: bad start,stop %lld,%lld\n", f[0], stop, start);
continue;
}
if(seek(fd, start, 0) < 0)
if(seek(fd, offset0+start, 0) < 0)
fprint(2, "%T %s: seek to start: %r\n", f[0]);
verifyarena(f[0], stop - start);
}