From: Igor Konopko <igor.j.konopko@intel.com>
To: mb@lightnvm.io, javier@javigon.com, hans.holmberg@cnexlabs.com
Cc: linux-block@vger.kernel.org, igor.j.konopko@intel.com
Subject: [PATCH v2 06/16] lightnvm: pblk: recover only written metadata
Date: Fri, 22 Mar 2019 15:48:33 +0100 [thread overview]
Message-ID: <20190322144843.9602-7-igor.j.konopko@intel.com> (raw)
In-Reply-To: <20190322144843.9602-1-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>
---
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 688fdeb..b2267bd 100644
--- a/drivers/lightnvm/pblk-recovery.c
+++ b/drivers/lightnvm/pblk-recovery.c
@@ -653,10 +653,12 @@ 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
next prev parent reply other threads:[~2019-03-22 14:52 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-22 14:48 [PATCH v2 00/16] lightnvm: next set of improvements for 5.2 Igor Konopko
2019-03-22 14:48 ` [PATCH v2 01/16] lightnvm: pblk: warn when there are opened chunks Igor Konopko
2019-03-25 11:32 ` Matias Bjørling
2019-03-22 14:48 ` [PATCH v2 02/16] lightnvm: pblk: IO path reorganization Igor Konopko
2019-03-25 5:55 ` Javier González
2019-03-22 14:48 ` [PATCH v2 03/16] lightnvm: pblk: simplify partial read path Igor Konopko
2019-03-22 14:48 ` [PATCH v2 04/16] lightnvm: pblk: OOB recovery for closed chunks fix Igor Konopko
2019-03-25 6:02 ` Javier González
2019-03-25 11:12 ` Igor Konopko
2019-03-22 14:48 ` [PATCH v2 05/16] lightnvm: pblk: propagate errors when reading meta Igor Konopko
2019-03-22 14:48 ` Igor Konopko [this message]
2019-03-22 14:48 ` [PATCH v2 07/16] lightnvm: pblk: wait for inflight IOs in recovery Igor Konopko
2019-03-25 6:18 ` Javier González
2019-03-25 11:17 ` Igor Konopko
2019-03-22 14:48 ` [PATCH v2 08/16] lightnvm: pblk: remove internal IO timeout Igor Konopko
2019-03-22 14:48 ` [PATCH v2 09/16] lightnvm: pblk: fix spin_unlock order Igor Konopko
2019-03-25 11:09 ` Matias Bjørling
2019-03-22 14:48 ` [PATCH v2 10/16] lightnvm: pblk: kick writer on write recovery path Igor Konopko
2019-03-25 11:13 ` Matias Bjørling
2019-03-22 14:48 ` [PATCH v2 11/16] lightnvm: pblk: fix update line wp in OOB recovery Igor Konopko
2019-03-25 11:18 ` Matias Bjørling
2019-03-22 14:48 ` [PATCH v2 12/16] lightnvm: pblk: do not read OOB from emeta region Igor Konopko
2019-03-25 6:23 ` Javier González
2019-03-25 11:17 ` Igor Konopko
2019-03-22 14:48 ` [PATCH v2 13/16] lightnvm: pblk: store multiple copies of smeta Igor Konopko
2019-03-25 6:31 ` Javier González
2019-03-22 14:48 ` [PATCH v2 14/16] lightnvm: pblk: GC error handling Igor Konopko
2019-03-25 11:29 ` Matias Bjørling
2019-03-22 14:48 ` [PATCH v2 15/16] lightnvm: pblk: use nvm_rq_to_ppa_list() Igor Konopko
2019-03-22 14:48 ` [PATCH v2 16/16] lightnvm: track inflight target creations Igor Konopko
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