fs/ubifs/tnc_commit.c

21  * @lnum: LEB number where new index node will be written
26 			 struct ubifs_znode *znode, int lnum, int offs, int len)
41 		br->lnum = cpu_to_le32(zbr->lnum);
45 		if (!zbr->lnum || !zbr->len) {
57 	znode->lnum = lnum;
69 		zbr->lnum = lnum;
74 		c->zroot.lnum = lnum;
99  * @lnum: LEB number that gap appears in
106 static int fill_gap(struct ubifs_info *c, int lnum, int gap_start, int gap_end,
129 					    lnum, gap_pos, len);
149 	       lnum, gap_start, gap_end, gap_end - gap_start, written, pad_len);
158  * @lnum: LEB number of obsoleted index node
163 static int find_old_idx(struct ubifs_info *c, int lnum, int offs)
171 		if (lnum < o->lnum)
173 		else if (lnum > o->lnum)
190  * @lnum: LEB number of index node
193  * If @key / @lnum / @offs identify an index node that was not part of the old
199 			      int level, int lnum, int offs)
203 	ret = is_idx_node_in_tnc(c, key, level, lnum, offs);
207 		if (find_old_idx(c, lnum, offs))
228 	int lnum, dirt = 0, gap_start, gap_end, err, written, tot_written;
232 	lnum = ubifs_find_dirty_idx_leb(c);
233 	if (lnum < 0)
238 		return lnum; /* Error code */
239 	c->gap_lebs[p] = lnum;
240 	dbg_gc("LEB %d", lnum);
246 	sleb = ubifs_scan(c, lnum, 0, c->ileb_buf, 0);
260 		in_use = is_idx_node_in_use(c, &snod->key, level, lnum,
277 			written = fill_gap(c, lnum, gap_start, gap_end, &dirt);
290 	written = fill_gap(c, lnum, gap_start, gap_end, &dirt);
297 		dbg_gc("LEB %d wrote %d index nodes", lnum, tot_written);
298 		err = ubifs_read_one_lp(c, lnum, &lp);
306 			err = ubifs_change_one_lp(c, lnum,
314 	err = ubifs_change_one_lp(c, lnum, c->leb_size - c->ileb_len, dirt,
318 	err = ubifs_leb_change(c, lnum, c->ileb_buf, c->ileb_len);
321 	dbg_gc("LEB %d wrote %d index nodes", lnum, tot_written);
432 	int lnum, offs, len, next_len, buf_len, buf_offs, used, avail;
439 	lnum = c->ihead_lnum;
450 		lnum = -1;
458 		if (lnum == -1) {
463 			lnum = c->ilebs[c->ileb_nxt++];
471 		znode->lnum = lnum;
483 			zbr->lnum = lnum;
487 			c->zroot.lnum = lnum;
529 				err = ubifs_update_one_lp(c, lnum,
534 				lnum = -1;
542 		err = ubifs_update_one_lp(c, lnum, c->leb_size - buf_offs,
549 	c->dbg->new_ihead_lnum = lnum;
687 	int i, leb_cnt, lnum;
699 		lnum = ubifs_find_free_leb_for_idx(c);
700 		if (lnum < 0)
701 			return lnum;
702 		c->ilebs[c->ileb_cnt++] = lnum;
703 		dbg_cmt("LEB %d", lnum);
721 	int i, err = 0, lnum, er;
724 		lnum = c->ilebs[i];
725 		dbg_cmt("LEB %d", lnum);
726 		er = ubifs_change_one_lp(c, lnum, LPROPS_NC, LPROPS_NC, 0,
830 	int i, lnum, offs, len, next_len, buf_len, buf_offs, used;
841 	lnum = c->ihead_lnum;
852 		err = ubifs_update_one_lp(c, lnum, LPROPS_NC, 0, 0,
856 		lnum = -1;
876 			br->lnum = cpu_to_le32(zbr->lnum);
880 			if (!zbr->lnum || !zbr->len) {
910 		if (lnum == -1) {
911 			lnum = c->ilebs[lnum_pos++];
918 		if (lnum != znode->lnum || offs != znode->offs ||
994 		err = ubifs_leb_write(c, lnum, c->cbuf, buf_offs, blen);
1000 				err = ubifs_update_one_lp(c, lnum, LPROPS_NC, 0,
1004 				lnum = -1;
1016 	if (lnum != c->dbg->new_ihead_lnum ||
1022 	c->ihead_lnum = lnum;