fs/ubifs/gc.c

68 	struct ubifs_wbuf *wbuf = &c->jheads[GCHD].wbuf;
72 	       wbuf->lnum, wbuf->offs + wbuf->used, gc_lnum,
73 	       c->leb_size - wbuf->offs - wbuf->used);
75 	err = ubifs_wbuf_sync_nolock(wbuf);
92 	err = ubifs_wbuf_seek_nolock(wbuf, gc_lnum, 0);
297  * @wbuf: write-buffer to move node to
299  * This function moves node @snod to @wbuf, changes TNC correspondingly, and
304 		     struct ubifs_scan_node *snod, struct ubifs_wbuf *wbuf)
306 	int err, new_lnum = wbuf->lnum, new_offs = wbuf->offs + wbuf->used;
309 	err = ubifs_wbuf_write_nolock(wbuf, snod->node, snod->len);
335 	struct ubifs_wbuf *wbuf = &c->jheads[GCHD].wbuf;
337 	if (wbuf->lnum == -1) {
358 			avail = c->leb_size - wbuf->offs - wbuf->used -
372 			err = move_node(c, sleb, snod, wbuf);
380 			avail = c->leb_size - wbuf->offs - wbuf->used -
404 			err = move_node(c, sleb, snod, wbuf);
426 			err = ubifs_wbuf_write_nolock(wbuf, auth,
433 			ubifs_add_dirt(c, wbuf->lnum, ubifs_auth_node_sz(c));
475 		err = ubifs_wbuf_sync(&c->jheads[i].wbuf);
495 	struct ubifs_wbuf *wbuf = &c->jheads[GCHD].wbuf;
498 	ubifs_assert(c, c->gc_lnum != -1 || wbuf->offs + wbuf->used == 0 ||
501 	ubifs_assert(c, wbuf->lnum != lnum);
609 			err = ubifs_wbuf_sync_nolock(wbuf);
674 	struct ubifs_wbuf *wbuf = &c->jheads[GCHD].wbuf;
682 	mutex_lock_nested(&wbuf->io_mutex, wbuf->jhead);
690 	ubifs_assert(c, !wbuf->used);
729 		 * the wbuf lock, or while we have been running GC. In that
745 		space_before = c->leb_size - wbuf->offs - wbuf->used;
746 		if (wbuf->lnum == -1)
764 					 * and then executing sync wbuf will
796 		space_after = c->leb_size - wbuf->offs - wbuf->used;
843 	err = ubifs_wbuf_sync_nolock(wbuf);
851 	mutex_unlock(&wbuf->io_mutex);
857 	ubifs_wbuf_sync_nolock(wbuf);
859 	mutex_unlock(&wbuf->io_mutex);
954 	struct ubifs_wbuf *wbuf;
957 	wbuf = &c->jheads[GCHD].wbuf;
958 	mutex_lock_nested(&wbuf->io_mutex, wbuf->jhead);
973 	mutex_unlock(&wbuf->io_mutex);