void init_disk (void)
{
char **list;
char *msg;
int i;
char *path;
msg = xenbus_ls(XBT_NIL, "device/vbd", &list);
if (msg) {
printk("Error %s while reading list of disks\n", msg);
free(msg);
return;
}
blk_nb = 0;
while (list[blk_nb])
blk_nb++;
blk_dev = malloc(blk_nb * sizeof(*blk_dev));
blk_info = malloc(blk_nb * sizeof(*blk_info));
qsort(list, blk_nb, sizeof(*list), vbdcmp);
for (i = 0; i < blk_nb; i++) {
printk("vbd %s is hd%d\n", list[i], i);
asprintf(&path, "device/vbd/%s", list[i]);
blk_dev[i] = init_blkfront(path, &blk_info[i]);
free(path);
free(list[i]);
}
}
static void do_ls_test(const char *pre)
{
char **dirs, *msg;
int x;
printk("ls %s...\n", pre);
msg = xenbus_ls(XBT_NIL, pre, &dirs);
if (msg) {
printk("Error in xenbus ls: %s\n", msg);
free(msg);
return;
}
for (x = 0; dirs[x]; x++)
{
printk("ls %s[%d] -> %s\n", pre, x, dirs[x]);
free(dirs[x]);
}
free(dirs);
}
