Re: [PATCH] lightnvm: unlock rq and free ppa_list after submission failed

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This patch is based on [PATCH] lightnvm: fix bio submission issue
 https://lkml.org/lkml/2015/12/9/394

2015-12-21 15:32 GMT+08:00 Wenwei Tao <ww.tao0320@xxxxxxxxx>:
> after io submission failed, before free rq, delete rq from
> rrpc's inflight list, leave no bad item in the list. And
> free rq's ppa_list to avoid memory leak.
>
> Signed-off-by: Wenwei Tao <ww.tao0320@xxxxxxxxx>
> ---
>  drivers/lightnvm/rrpc.c | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
> index a1e7488..c0886a8 100644
> --- a/drivers/lightnvm/rrpc.c
> +++ b/drivers/lightnvm/rrpc.c
> @@ -843,6 +843,12 @@ static int rrpc_submit_io(struct rrpc *rrpc, struct bio *bio,
>         if (err) {
>                 pr_err("rrpc: I/O submission failed: %d\n", err);
>                 bio_put(bio);
> +               if (!(flags & NVM_IOTYPE_GC)) {
> +                       rrpc_unlock_rq(rrpc, rqd);
> +                       if (rqd->nr_pages > 1)
> +                               nvm_dev_dma_free(rrpc->dev,
> +                       rqd->ppa_list, rqd->dma_ppa_list);
> +               }
>                 return NVM_IO_ERR;
>         }
>
> --
> 1.8.3.1
>
--
To unsubscribe from this list: send the line "unsubscribe linux-block" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux RAID]     [Linux SCSI]     [Linux ATA RAID]     [IDE]     [Linux Wireless]     [Linux Kernel]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Device Mapper]

  Powered by Linux