From: =?UTF-8?q?Javier=20Gonz=C3=A1lez?= <javier@cnexlabs.com>
Date: Fri, 5 Jan 2018 14:16:15 +0100
Subject: [PATCH] lightnvm: pblk: ignore high ecc errors on recovery
Git-commit: 5d201f07204893c02ef85d562bfcc71299f06f60
Patch-mainline: v4.16-rc1
References: bsc#1104967,FATE#325924
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

On recovery, do not stop L2P recovery if reads report high ECC error
as the data is still available.

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Hannes Reinecke <hare@suse.com>
---
 drivers/lightnvm/pblk-recovery.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c
index fd3803656e68..1d5e961bf5e0 100644
--- a/drivers/lightnvm/pblk-recovery.c
+++ b/drivers/lightnvm/pblk-recovery.c
@@ -288,7 +288,7 @@ static int pblk_recov_read_oob(struct pblk *pblk, struct pblk_line *line,
 	/* At this point, the read should not fail. If it does, it is a problem
 	 * we cannot recover from here. Need FTL log.
 	 */
-	if (rqd->error) {
+	if (rqd->error && rqd->error != NVM_RSP_WARN_HIGHECC) {
 		pr_err("pblk: L2P recovery failed (%d)\n", rqd->error);
 		return -EINTR;
 	}
-- 
2.12.3