From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Thu,  9 May 1996 18:22:44 -0400
From: Nickolay Saukh nms@nns.ru
Subject: Small patch for kfs to show free space on disk
Topicbox-Message-UUID: 4642a510-eac8-11e9-9e20-41e7f4b1d025
Message-ID: <19960509222244.6XNS3IHBcQrZxwTsPjDAA9ezRHnWWU4MzJiDF6Fz54o@z>

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 ----------