75 	struct ubifs_wbuf *wbuf = &c->jheads[GCHD].wbuf;  in switch_gc_head()  local
79 	       wbuf->lnum, wbuf->offs + wbuf->used, gc_lnum,  in switch_gc_head()
80 	       c->leb_size - wbuf->offs - wbuf->used);  in switch_gc_head()
82 	err = ubifs_wbuf_sync_nolock(wbuf);  in switch_gc_head()
94 	err = ubifs_wbuf_sync_nolock(wbuf);  in switch_gc_head()
103 	err = ubifs_wbuf_seek_nolock(wbuf, gc_lnum, 0);  in switch_gc_head()
306  * @wbuf: write-buffer to move node to
308  * This function moves node @snod to @wbuf, changes TNC correspondingly, and
313 		     struct ubifs_scan_node *snod, struct ubifs_wbuf *wbuf)  in move_node()  argument
315 	int err, new_lnum = wbuf->lnum, new_offs = wbuf->offs + wbuf->used;  in move_node()
318 	err = ubifs_wbuf_write_nolock(wbuf, snod->node, snod->len);  in move_node()
344 	struct ubifs_wbuf *wbuf = &c->jheads[GCHD].wbuf;  in move_nodes()  local
346 	if (wbuf->lnum == -1) {  in move_nodes()
367 			avail = c->leb_size - wbuf->offs - wbuf->used;  in move_nodes()
375 			err = move_node(c, sleb, snod, wbuf);  in move_nodes()
382 			avail = c->leb_size - wbuf->offs - wbuf->used;  in move_nodes()
400 			err = move_node(c, sleb, snod, wbuf);  in move_nodes()
444 		err = ubifs_wbuf_sync(&c->jheads[i].wbuf);  in gc_sync_wbufs()
464 	struct ubifs_wbuf *wbuf = &c->jheads[GCHD].wbuf;  in ubifs_garbage_collect_leb()  local
467 	ubifs_assert(c->gc_lnum != -1 || wbuf->offs + wbuf->used == 0 ||  in ubifs_garbage_collect_leb()
470 	ubifs_assert(wbuf->lnum != lnum);  in ubifs_garbage_collect_leb()
578 			err = ubifs_wbuf_sync_nolock(wbuf);  in ubifs_garbage_collect_leb()
643 	struct ubifs_wbuf *wbuf = &c->jheads[GCHD].wbuf;  in ubifs_garbage_collect()  local
651 	mutex_lock_nested(&wbuf->io_mutex, wbuf->jhead);  in ubifs_garbage_collect()
659 	ubifs_assert(!wbuf->used);  in ubifs_garbage_collect()
695 		 * the wbuf lock, or while we have been running GC. In that  in ubifs_garbage_collect()
711 		space_before = c->leb_size - wbuf->offs - wbuf->used;  in ubifs_garbage_collect()
712 		if (wbuf->lnum == -1)  in ubifs_garbage_collect()
751 		space_after = c->leb_size - wbuf->offs - wbuf->used;  in ubifs_garbage_collect()
798 	err = ubifs_wbuf_sync_nolock(wbuf);  in ubifs_garbage_collect()
806 	mutex_unlock(&wbuf->io_mutex);  in ubifs_garbage_collect()
812 	ubifs_wbuf_sync_nolock(wbuf);  in ubifs_garbage_collect()
814 	mutex_unlock(&wbuf->io_mutex);  in ubifs_garbage_collect()
912 	struct ubifs_wbuf *wbuf;  in ubifs_gc_end_commit()  local
915 	wbuf = &c->jheads[GCHD].wbuf;  in ubifs_gc_end_commit()
916 	mutex_lock_nested(&wbuf->io_mutex, wbuf->jhead);  in ubifs_gc_end_commit()
931 	mutex_unlock(&wbuf->io_mutex);  in ubifs_gc_end_commit()