diff mbox series

[GIT,PULL,22/26] lightnvm: pblk: recover only written metadata

Message ID 20190504183811.18725-23-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>

This patch ensures that smeta was fully written before even
trying to read it based on chunk table state and write pointer.

Signed-off-by: Igor Konopko <igor.j.konopko@intel.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
---
 drivers/lightnvm/pblk-recovery.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c
index 865fe310cab4..a9085b0e6611 100644
--- a/drivers/lightnvm/pblk-recovery.c
+++ b/drivers/lightnvm/pblk-recovery.c
@@ -655,10 +655,12 @@  static int pblk_line_was_written(struct pblk_line *line,
 	bppa = pblk->luns[smeta_blk].bppa;
 	chunk = &line->chks[pblk_ppa_to_pos(geo, bppa)];
 
-	if (chunk->state & NVM_CHK_ST_FREE)
-		return 0;
+	if (chunk->state & NVM_CHK_ST_CLOSED ||
+	    (chunk->state & NVM_CHK_ST_OPEN
+	     && chunk->wp >= lm->smeta_sec))
+		return 1;
 
-	return 1;
+	return 0;
 }
 
 static bool pblk_line_is_open(struct pblk *pblk, struct pblk_line *line)