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From: arisawa@vega.aichi-u.ac.jp (Kenji Arisawa)
Subject: Re: Plan9
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$BM-_7(B@$B0&CNBg3X$G$9(B

disk/kfscmd free
$B0J2<$N5-;v$,;29M$K$J$j$^$9!#(B
$B$A$c$s$H$d$C$F$/$l$^$9!#(B



From:Nickolay Saukh <nms@nns.ru>
Sender: owner-9fans@cse.psu.edu
Precedence: bulk
Reply-To: 9fans@cse.psu.edu
Status: RO

Here is small patch for /sys/src/cmd/disk/kfs/con.c which allows
to get the following numbers from kfs

number of free blocks
file system size in blocks
block size

Don't forget rebuild kernel (9pcdisk for PCs).

---------- cut here to destroy your CRT ----------
417a
"free",cmd_free, "",
.
408a
void
cmd_free(void)
{
Iobuf *p;
Superb *s;

p = getbuf(cur_fs->dev, superaddr(cur_fs->dev), Bread);
s = (Superb*) p->iobuf;
cprint("%ld %ld %d\n", s->tfree, s->fsize, RBUFSIZE);
putbuf(p);
}

.
---------- cut here to destroy your CRT ----------

