[PATCH 3/3] lightnvm: pblk: fix smeta write error path

[Hans Holmberg]

From: Hans Holmberg <hans.holmb...@cnexlabs.com>

Smeta write errors were previously ignored. Skip these
lines instead and throw them back on the free
list, so the chunks will go through a reset cycle
before we attempt to use the line again.

Signed-off-by: Hans Holmberg <hans.holmb...@cnexlabs.com>
---
 drivers/lightnvm/pblk-core.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index f6135e4..485fe8c 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -849,9 +849,10 @@ static int pblk_line_submit_smeta_io(struct pblk *pblk, 
struct pblk_line *line,
        atomic_dec(&pblk->inflight_io);
 
        if (rqd.error) {
-               if (dir == PBLK_WRITE)
+               if (dir == PBLK_WRITE) {
                        pblk_log_write_err(pblk, &rqd);
-               else if (dir == PBLK_READ)
+                       ret = 1;
+               } else if (dir == PBLK_READ)
                        pblk_log_read_err(pblk, &rqd);
        }
 
@@ -1120,7 +1121,7 @@ static int pblk_line_init_bb(struct pblk *pblk, struct 
pblk_line *line,
 
        if (init && pblk_line_submit_smeta_io(pblk, line, off, PBLK_WRITE)) {
                pr_debug("pblk: line smeta I/O failed. Retry\n");
-               return 1;
+               return 0;
        }
 
        bitmap_copy(line->invalid_bitmap, line->map_bitmap, lm->sec_per_line);
-- 
2.7.4