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lightnvm: pblk: propagate errors when reading meta

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Read errors are not correctly propagated. Errors are cleared before
returning control to the io submitter. Change the behaviour such that
all read errors exept high ecc read warning status is returned
appropriately.

Signed-off-by: Igor Konopko <[email protected]>
Reviewed-by: Javier González <[email protected]>
Reviewed-by: Hans Holmberg <[email protected]>
Signed-off-by: Matias Bjørling <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Igor Konopko 2019-05-04 20:38:02 +02:00 • committed by Jens Axboe
commit d165a7a6f5
2 changed files with 8 additions and 3 deletions
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9
drivers/lightnvm/pblk-core.c
View file

@ -761,8 +761,10 @@ int pblk_line_smeta_read(struct pblk *pblk, struct pblk_line *line)
atomic_dec(&pblk->inflight_io);
if (rqd.error)
if (rqd.error && rqd.error != NVM_RSP_WARN_HIGHECC) {
pblk_log_read_err(pblk, &rqd);
ret = -EIO;
}
clear_rqd:
pblk_free_rqd_meta(pblk, &rqd);
@ -916,8 +918,11 @@ next_rq:
atomic_dec(&pblk->inflight_io);
if (rqd.error)
if (rqd.error && rqd.error != NVM_RSP_WARN_HIGHECC) {
pblk_log_read_err(pblk, &rqd);
ret = -EIO;
goto free_rqd_dma;
}
emeta_buf += rq_len;
left_ppas -= rq_ppas;

2
drivers/lightnvm/pblk-recovery.c
View file

@ -458,7 +458,7 @@ retry_rq:
atomic_dec(&pblk->inflight_io);
/* If a read fails, do a best effort by padding the line and retrying */
if (rqd->error) {
if (rqd->error && rqd->error != NVM_RSP_WARN_HIGHECC) {
int pad_distance, ret;
if (padded) {