From: Javier González <javier@cnexlabs.com>
Date: Fri, 5 Jan 2018 13:16:15 +0000 (+0100)
Subject: lightnvm: pblk: ignore high ecc errors on recovery
X-Git-Tag: v4.19~1665^2~50
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5d201f07204893c02ef85d562bfcc71299f06f60;p=platform%2Fkernel%2Flinux-rpi.git

lightnvm: pblk: ignore high ecc errors on recovery

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>
---

diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c
index fd38036..1d5e961 100644
--- a/drivers/lightnvm/pblk-recovery.c
+++ b/drivers/lightnvm/pblk-recovery.c
@@ -288,7 +288,7 @@ next_read_rq:
 	/* 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;
 	}