> + if (sb->s_iflags & SB_I_DYNBDI) {
> + bdi_put(sb->s_bdi);
> + sb->s_bdi = &noop_backing_dev_info;
At some point I'd really like to get rid of noop_backing_dev_info and
have a NULL here..
Otherwise this looks fine..
Reviewed-by: Christoph Hellwig <hch at lst.de>