Re: [PATCH 0/9] recovery robustness improvements

From: Javier GonzÃlez
Date: Tue Oct 03 2017 - 06:51:51 EST


> On 3 Oct 2017, at 12.05, Hans Holmberg <hans.ml.holmberg@xxxxxxxxxxxxx> wrote:
>
> From: Hans Holmberg <hans.holmberg@xxxxxxxxxxxx>
>
> This patchset improves the robustness of recovery - fixing a bunch of
> issues that occurs when removing and re-creating a pblk instance.
> It also adds a couple of debug-only prints to facilitate detection
> of L2P table corruptions.
>
> The patches apply on top of:
> https://github.com/OpenChannelSSD/linux branch for-4.15/pblk
>
> Hans Holmberg (9):
> lightnvm: pblk: prevent gc kicks when gc is not operational
> lightnvm: pblk: recover partially written lines correctly
> lightnvm: pblk: free full lines during recovery
> lightnvm: pblk: start gc if needed during init
> lightnvm: pblk: consider bad sectors in emeta during recovery
> lightnvm: pblk: shut down gc gracefully during exit
> lightnvm: pblk: add l2p crc debug printouts
> lightnvm: pblk: gc all lines in the pipeline before exit
> lightnvm: pblk: correct valid lba count calculation
>
> drivers/lightnvm/pblk-core.c | 3 ++
> drivers/lightnvm/pblk-gc.c | 88 +++++++++++++++++++++++++++-------------
> drivers/lightnvm/pblk-init.c | 47 ++++++++++++++++++---
> drivers/lightnvm/pblk-map.c | 7 ++--
> drivers/lightnvm/pblk-recovery.c | 46 ++++++++++++++-------
> drivers/lightnvm/pblk-sysfs.c | 2 +-
> drivers/lightnvm/pblk.h | 6 ++-
> 7 files changed, 145 insertions(+), 54 deletions(-)
>
> --
> 2.7.4

Thanks Hans.

Matias: I picked the patches on for-4.15/pblk on top of the rest of the
series and fixed some of the commit messages. Also, note that Rakesh's
patches needed some re-work, so please pick them from this tree instead.

They should apply clean on your for-4.15/core.

Thanks,
Javier

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