* Look up the bh in this cpu's LRU. If it's there, move it to the head.
*/
static struct buffer_head *
* Look up the bh in this cpu's LRU. If it's there, move it to the head.
*/
static struct buffer_head *
(block_start < from || block_end > to)) {
ll_rw_block(READ, 1, &bh);
*wait_bh++=bh;
(block_start < from || block_end > to)) {
ll_rw_block(READ, 1, &bh);
*wait_bh++=bh;