109 static int get_master_node(const struct ubifs_info *c, int lnum, void **pbuf,  in get_master_node()  argument
120 	err = ubifs_leb_read(c, lnum, sbuf, 0, c->leb_size, 0);  in get_master_node()
144 		ret = ubifs_scan_a_node(c, buf, len, lnum, offs, 1);  in get_master_node()
150 			ret = ubifs_scan_a_node(c, buf, len, lnum, offs, 1);  in get_master_node()
164 			dbg_rcvry("found a master node at %d:%d", lnum, offs);  in get_master_node()
175 			dbg_rcvry("found corruption at %d:%d", lnum, offs);  in get_master_node()
207 	int err = 0, lnum = UBIFS_MST_LNUM, sz = c->mst_node_alsz;  in write_rcvrd_mst_node()  local
216 	err = ubifs_leb_change(c, lnum, mst, sz);  in write_rcvrd_mst_node()
219 	err = ubifs_leb_change(c, lnum + 1, mst, sz);  in write_rcvrd_mst_node()
440 static void clean_buf(const struct ubifs_info *c, void **buf, int lnum,  in clean_buf()  argument
445 	lnum = lnum;  in clean_buf()
446 	dbg_rcvry("cleaning corruption at %d:%d", lnum, *offs);  in clean_buf()
471 			int lnum, int offs)  in no_more_nodes()  argument
484 	if (ubifs_check_node(c, buf, lnum, offs, 1, 0) != -EUCLEAN) {  in no_more_nodes()
485 		dbg_rcvry("unexpected bad common header at %d:%d", lnum, offs);  in no_more_nodes()
493 	dbg_rcvry("unexpected data at %d:%d", lnum, offs + skip);  in no_more_nodes()
506 	int lnum = sleb->lnum, endpt = start;  in fix_unclean_leb()  local
522 			  lnum, start, sleb->endpt);  in fix_unclean_leb()
526 		ucleb->lnum = lnum;  in fix_unclean_leb()
534 			  lnum, start, sleb->endpt);  in fix_unclean_leb()
536 			err = ubifs_leb_unmap(c, lnum);  in fix_unclean_leb()
543 				err = ubifs_leb_read(c, lnum, sleb->buf, 0,  in fix_unclean_leb()
558 			err = ubifs_leb_change(c, lnum, sleb->buf, len);  in fix_unclean_leb()
587 			  sleb->lnum, snod->offs);  in drop_last_group()
612 			  sleb->lnum, snod->offs);  in drop_last_node()
634 struct ubifs_scan_leb *ubifs_recover_leb(struct ubifs_info *c, int lnum,  in ubifs_recover_leb()  argument
642 	dbg_rcvry("%d:%d, jhead %d, grouped %d", lnum, offs, jhead, grouped);  in ubifs_recover_leb()
644 	sleb = ubifs_start_scan(c, lnum, offs, sbuf);  in ubifs_recover_leb()
651 			 lnum, offs, len);  in ubifs_recover_leb()
659 		ret = ubifs_scan_a_node(c, buf, len, lnum, offs, 1);  in ubifs_recover_leb()
682 				  ret, lnum, offs);  in ubifs_recover_leb()
695 		if (!no_more_nodes(c, buf, len, lnum, offs))  in ubifs_recover_leb()
706 				  lnum, offs, corruption);  in ubifs_recover_leb()
780 	clean_buf(c, &buf, lnum, &offs, &len);  in ubifs_recover_leb()
781 	ubifs_end_scan(c, sleb, lnum, offs);  in ubifs_recover_leb()
792 	ubifs_scan_a_node(c, buf, len, lnum, offs, 1);  in ubifs_recover_leb()
794 	ubifs_scanned_corruption(c, lnum, offs, buf);  in ubifs_recover_leb()
797 	ubifs_err(c, "LEB %d scanning failed", lnum);  in ubifs_recover_leb()
811 static int get_cs_sqnum(struct ubifs_info *c, int lnum, int offs,  in get_cs_sqnum()  argument
817 	dbg_rcvry("at %d:%d", lnum, offs);  in get_cs_sqnum()
823 	err = ubifs_leb_read(c, lnum, (void *)cs_node, offs,  in get_cs_sqnum()
827 	ret = ubifs_scan_a_node(c, cs_node, UBIFS_CS_NODE_SZ, lnum, offs, 0);  in get_cs_sqnum()
868 struct ubifs_scan_leb *ubifs_recover_log_leb(struct ubifs_info *c, int lnum,  in ubifs_recover_log_leb()  argument
874 	dbg_rcvry("LEB %d", lnum);  in ubifs_recover_log_leb()
875 	next_lnum = lnum + 1;  in ubifs_recover_log_leb()
895 				err = get_cs_sqnum(c, lnum, offs, &cs_sqnum);  in ubifs_recover_log_leb()
903 					  lnum);  in ubifs_recover_log_leb()
910 	return ubifs_recover_leb(c, lnum, offs, sbuf, -1);  in ubifs_recover_log_leb()
924 static int recover_head(struct ubifs_info *c, int lnum, int offs, void *sbuf)  in recover_head()  argument
935 	err = ubifs_leb_read(c, lnum, sbuf, offs, len, 1);  in recover_head()
937 		dbg_rcvry("cleaning head at %d:%d", lnum, offs);  in recover_head()
939 			return ubifs_leb_unmap(c, lnum);  in recover_head()
940 		err = ubifs_leb_read(c, lnum, sbuf, 0, offs, 1);  in recover_head()
943 		return ubifs_leb_change(c, lnum, sbuf, offs);  in recover_head()
997 	int err, lnum = ucleb->lnum, offs = 0, len = ucleb->endpt, quiet = 1;  in clean_an_unclean_leb()  local
1000 	dbg_rcvry("LEB %d len %d", lnum, len);  in clean_an_unclean_leb()
1004 		return ubifs_leb_unmap(c, lnum);  in clean_an_unclean_leb()
1007 	err = ubifs_leb_read(c, lnum, buf, offs, len, 0);  in clean_an_unclean_leb()
1017 		ret = ubifs_scan_a_node(c, buf, len, lnum, offs, quiet);  in clean_an_unclean_leb()
1041 				  lnum, offs);  in clean_an_unclean_leb()
1051 		ubifs_scanned_corruption(c, lnum, offs, buf);  in clean_an_unclean_leb()
1067 	err = ubifs_leb_change(c, lnum, sbuf, len);  in clean_an_unclean_leb()
1071 	dbg_rcvry("cleaned LEB %d", lnum);  in clean_an_unclean_leb()
1115 	int lnum, err;  in grab_empty_leb()  local
1132 	lnum = ubifs_find_free_leb_for_idx(c);  in grab_empty_leb()
1133 	if (lnum < 0) {  in grab_empty_leb()
1137 		return lnum;  in grab_empty_leb()
1141 	err = ubifs_change_one_lp(c, lnum, LPROPS_NC, LPROPS_NC, 0,  in grab_empty_leb()
1146 	c->gc_lnum = lnum;  in grab_empty_leb()
1147 	dbg_rcvry("found empty LEB %d, run commit", lnum);  in grab_empty_leb()
1176 	dbg_rcvry("GC head LEB %d, offs %d", wbuf->lnum, wbuf->offs);  in ubifs_rcvry_gc_commit()
1179 	if (wbuf->lnum == -1 || wbuf->offs == c->leb_size)  in ubifs_rcvry_gc_commit()
1203 	dbg_rcvry("GC'ing LEB %d", lp.lnum);  in ubifs_rcvry_gc_commit()
1228 	dbg_rcvry("allocated LEB %d for GC", lp.lnum);  in ubifs_rcvry_gc_commit()
1420 	int err, lnum, offs, len;  in fix_size_in_place()  local
1426 	err = ubifs_tnc_locate(c, &key, ino, &lnum, &offs);  in fix_size_in_place()
1437 	err = ubifs_leb_read(c, lnum, c->sbuf, 0, c->leb_size, 1);  in fix_size_in_place()
1453 	err = ubifs_leb_change(c, lnum, c->sbuf, len);  in fix_size_in_place()
1457 		  (unsigned long)e->inum, lnum, offs, i_size, e->d_size);  in fix_size_in_place()