ubifs_recover_leb
sleb = ubifs_recover_leb(c, lnum, 0,
return ubifs_recover_leb(c, lnum, offs, sbuf, -1);
sleb = ubifs_recover_leb(c, lnum, offs, c->sbuf, b->bud->jhead);
struct ubifs_scan_leb *ubifs_recover_leb(struct ubifs_info *c, int lnum,