[PATCH 12/18] lightnvm: pblk: do not read OOB from emeta region

[Igor Konopko <igor.j.konopko@intel.com>]

Emeta does not have corresponding OOB metadata mapping valid, so there
is no need to try to recover L2P mapping from it.

Signed-off-by: Igor Konopko <igor.j.konopko@intel.com>
---
 drivers/lightnvm/pblk-recovery.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c
index 4764596..2132260 100644
--- a/drivers/lightnvm/pblk-recovery.c
+++ b/drivers/lightnvm/pblk-recovery.c
@@ -479,6 +479,14 @@ static int pblk_recov_scan_oob(struct pblk *pblk, struct pblk_line *line,
 		goto retry_rq;
 	}
 
+	if (paddr >= line->emeta_ssec) {
+		/*
+		 * We reach emeta region and we don't want
+		 * to recover oob from emeta region.
+		 */
+		goto completed;
+	}
+
 	pblk_get_packed_meta(pblk, rqd);
 	bio_put(bio);
 
@@ -499,6 +507,7 @@ static int pblk_recov_scan_oob(struct pblk *pblk, struct pblk_line *line,
 	if (left_ppas > 0)
 		goto next_rq;
 
+completed:
 #ifdef CONFIG_NVM_PBLK_DEBUG
 	WARN_ON(padded && !pblk_line_is_full(line));
 #endif
-- 
2.9.5