lightnvm: pblk: recover only written metadata

This patch ensures that smeta was fully written before even
trying to read it based on chunk table state and write pointer.
Signed-off-by: NIgor Konopko <igor.j.konopko@intel.com>
Signed-off-by: NMatias Bjørling <mb@lightnvm.io>
Signed-off-by: NJens Axboe <axboe@kernel.dk>

drivers/lightnvm/pblk-recovery.c

@@ -655,10 +655,12 @@ static int pblk_line_was_written(struct pblk_line *line,
 	bppa = pblk->luns[smeta_blk].bppa;
 	chunk = &line->chks[pblk_ppa_to_pos(geo, bppa)];
 
-	if (chunk->state & NVM_CHK_ST_FREE)
-		return 0;
+	if (chunk->state & NVM_CHK_ST_CLOSED ||
+	    (chunk->state & NVM_CHK_ST_OPEN
+	     && chunk->wp >= lm->smeta_sec))
+		return 1;
 
-	return 1;
+	return 0;
 }
 
 static bool pblk_line_is_open(struct pblk *pblk, struct pblk_line *line)