Lines Matching defs:obh
176 struct buffer_head *obh, *nbh;
184 obh = ctxt->bh;
188 struct page *opage = obh->b_page;
191 /* BUG_ON(oldkey != obh->b_page->index); */
223 BUG_ON(nbh == obh);
228 unlock_page(obh->b_page);
239 struct buffer_head *obh = ctxt->bh, *nbh = ctxt->newbh;
247 opage = obh->b_page;
253 mark_buffer_dirty(obh);
260 opage->index = obh->b_blocknr = newkey;
263 nilfs_copy_buffer(nbh, obh);
268 nilfs_btnode_delete(obh); /* will decrement bh->b_count */