[PATCH v3 04/10] lightnvm: pblk: recover only written metadata
From: Igor Konopko <hidden>
Date: 2019-03-27 12:41:59
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> --- drivers/lightnvm/pblk-recovery.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c
index 124d817..9318f7a 100644
--- a/drivers/lightnvm/pblk-recovery.c
+++ b/drivers/lightnvm/pblk-recovery.c@@ -661,10 +661,12 @@ 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)
--
2.9.5