diff mbox series

[GIT,PULL,17/26] lightnvm: pblk: propagate errors when reading meta

Message ID 20190504183811.18725-18-mb@lightnvm.io (mailing list archive)
State New, archived
Headers show
Series lightnvm updates for 5.2 | expand

Commit Message

Matias Bjorling May 4, 2019, 6:38 p.m. UTC 
From: Igor Konopko <igor.j.konopko@intel.com>

Read errors are not correctly propagated. Errors are cleared before
returning control to the io submitter. Change the behaviour such that
all read errors exept high ecc read warning status is returned
appropriately.

Signed-off-by: Igor Konopko <igor.j.konopko@intel.com>
Reviewed-by: Javier González <javier@javigon.com>
Reviewed-by: Hans Holmberg <hans.holmberg@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
---
 drivers/lightnvm/pblk-core.c     | 9 +++++++--
 drivers/lightnvm/pblk-recovery.c | 2 +-
 2 files changed, 8 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index 39280c1e9b5d..38e26fe23138 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -761,8 +761,10 @@  int pblk_line_smeta_read(struct pblk *pblk, struct pblk_line *line)
 
 	atomic_dec(&pblk->inflight_io);
 
-	if (rqd.error)
+	if (rqd.error && rqd.error != NVM_RSP_WARN_HIGHECC) {
 		pblk_log_read_err(pblk, &rqd);
+		ret = -EIO;
+	}
 
 clear_rqd:
 	pblk_free_rqd_meta(pblk, &rqd);
@@ -916,8 +918,11 @@  int pblk_line_emeta_read(struct pblk *pblk, struct pblk_line *line,
 
 	atomic_dec(&pblk->inflight_io);
 
-	if (rqd.error)
+	if (rqd.error && rqd.error != NVM_RSP_WARN_HIGHECC) {
 		pblk_log_read_err(pblk, &rqd);
+		ret = -EIO;
+		goto free_rqd_dma;
+	}
 
 	emeta_buf += rq_len;
 	left_ppas -= rq_ppas;
diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c
index 357e52980f2f..124d8179b2ad 100644
--- a/drivers/lightnvm/pblk-recovery.c
+++ b/drivers/lightnvm/pblk-recovery.c
@@ -458,7 +458,7 @@  static int pblk_recov_scan_oob(struct pblk *pblk, struct pblk_line *line,
 	atomic_dec(&pblk->inflight_io);
 
 	/* If a read fails, do a best effort by padding the line and retrying */
-	if (rqd->error) {
+	if (rqd->error && rqd->error != NVM_RSP_WARN_HIGHECC) {
 		int pad_distance, ret;
 
 		if (padded) {