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lightnvm: pblk: recover only written metadata 

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>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Igor Konopko 2019-05-04 20:38:07 +02:00 committed by Jens Axboe
parent 3e03f6322a
commit a24eab5988
1 changed files with 5 additions and 3 deletions
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8
drivers/lightnvm/pblk-recovery.c
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@ -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 0;
}
static bool pblk_line_is_open(struct pblk *pblk, struct pblk_line *line)