84 	struct ubifs_wbuf *wbuf = &c->jheads[GCHD].wbuf;  in switch_gc_head()  local
88 	       wbuf->lnum, wbuf->offs + wbuf->used, gc_lnum,  in switch_gc_head()
89 	       c->leb_size - wbuf->offs - wbuf->used);  in switch_gc_head()
91 	err = ubifs_wbuf_sync_nolock(wbuf);  in switch_gc_head()
108 	err = ubifs_wbuf_seek_nolock(wbuf, gc_lnum, 0);  in switch_gc_head()
311  * @wbuf: write-buffer to move node to
313  * This function moves node @snod to @wbuf, changes TNC correspondingly, and
318 		     struct ubifs_scan_node *snod, struct ubifs_wbuf *wbuf)  in move_node()  argument
320 	int err, new_lnum = wbuf->lnum, new_offs = wbuf->offs + wbuf->used;  in move_node()
323 	err = ubifs_wbuf_write_nolock(wbuf, snod->node, snod->len);  in move_node()
349 	struct ubifs_wbuf *wbuf = &c->jheads[GCHD].wbuf;  in move_nodes()  local
351 	if (wbuf->lnum == -1) {  in move_nodes()
372 			avail = c->leb_size - wbuf->offs - wbuf->used;  in move_nodes()
380 			err = move_node(c, sleb, snod, wbuf);  in move_nodes()
387 			avail = c->leb_size - wbuf->offs - wbuf->used;  in move_nodes()
405 			err = move_node(c, sleb, snod, wbuf);  in move_nodes()
449 		err = ubifs_wbuf_sync(&c->jheads[i].wbuf);  in gc_sync_wbufs()
469 	struct ubifs_wbuf *wbuf = &c->jheads[GCHD].wbuf;  in ubifs_garbage_collect_leb()  local
472 	ubifs_assert(c, c->gc_lnum != -1 || wbuf->offs + wbuf->used == 0 ||  in ubifs_garbage_collect_leb()
475 	ubifs_assert(c, wbuf->lnum != lnum);  in ubifs_garbage_collect_leb()
583 			err = ubifs_wbuf_sync_nolock(wbuf);  in ubifs_garbage_collect_leb()
648 	struct ubifs_wbuf *wbuf = &c->jheads[GCHD].wbuf;  in ubifs_garbage_collect()  local
656 	mutex_lock_nested(&wbuf->io_mutex, wbuf->jhead);  in ubifs_garbage_collect()
664 	ubifs_assert(c, !wbuf->used);  in ubifs_garbage_collect()
700 		 * the wbuf lock, or while we have been running GC. In that  in ubifs_garbage_collect()
716 		space_before = c->leb_size - wbuf->offs - wbuf->used;  in ubifs_garbage_collect()
717 		if (wbuf->lnum == -1)  in ubifs_garbage_collect()
756 		space_after = c->leb_size - wbuf->offs - wbuf->used;  in ubifs_garbage_collect()
803 	err = ubifs_wbuf_sync_nolock(wbuf);  in ubifs_garbage_collect()
811 	mutex_unlock(&wbuf->io_mutex);  in ubifs_garbage_collect()
817 	ubifs_wbuf_sync_nolock(wbuf);  in ubifs_garbage_collect()
819 	mutex_unlock(&wbuf->io_mutex);  in ubifs_garbage_collect()
913 	struct ubifs_wbuf *wbuf;  in ubifs_gc_end_commit()  local
916 	wbuf = &c->jheads[GCHD].wbuf;  in ubifs_gc_end_commit()
917 	mutex_lock_nested(&wbuf->io_mutex, wbuf->jhead);  in ubifs_gc_end_commit()
932 	mutex_unlock(&wbuf->io_mutex);  in ubifs_gc_end_commit()