> On 29 Aug 2018, at 14.31, Hans Holmberg <hans.ml.holmberg@xxxxxxxxxxxxx> wrote:
>
> From: Hans Holmberg <hans.holmberg@xxxxxxxxxxxx>
>
> Trace state of chunk resets.
>
> Signed-off-by: Hans Holmberg <hans.holmberg@xxxxxxxxxxxx>
> ---
> drivers/lightnvm/pblk-core.c | 12 ++++++++++++
> drivers/lightnvm/pblk-trace.h | 31 +++++++++++++++++++++++++++++++
> drivers/lightnvm/pblk.h | 6 ++++++
> 3 files changed, 49 insertions(+)
>
> diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
> index 566a5d3165ee..b874001d1175 100644
> --- a/drivers/lightnvm/pblk-core.c
> +++ b/drivers/lightnvm/pblk-core.c
> @@ -90,9 +90,15 @@ static void __pblk_end_io_erase(struct pblk *pblk, struct nvm_rq *rqd)
> atomic_dec(&line->left_seblks);
>
> if (rqd->error) {
> + trace_pblk_chunk_reset(pblk_disk_name(pblk),
> + &rqd->ppa_addr, PBLK_CHUNK_RESET_FAILED);
> +
> chunk->state = NVM_CHK_ST_OFFLINE;
> pblk_mark_bb(pblk, line, rqd->ppa_addr);
> } else {
> + trace_pblk_chunk_reset(pblk_disk_name(pblk),
> + &rqd->ppa_addr, PBLK_CHUNK_RESET_DONE);
> +
> chunk->state = NVM_CHK_ST_FREE;
> }
>
> @@ -958,6 +964,9 @@ int pblk_line_erase(struct pblk *pblk, struct pblk_line *line)
> WARN_ON(test_and_set_bit(bit, line->erase_bitmap));
> spin_unlock(&line->lock);
>
> + trace_pblk_chunk_reset(pblk_disk_name(pblk),
> + &ppa, PBLK_CHUNK_RESET_START);
> +
Can you move this inside of pblk_blk_erase_sync() instead? I was looking
at the code now to implement a different thing and it is confusing to
see tracing inside erase_async and not in erase_sync.
Thanks,
Javier
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