linux-kernel - Re: [PATCH 0/9] recovery robustness improvements

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Message-Id: <6EA9CAAC-795C-47E9-AB08-35B4B9D9BC39@lightnvm.io>
Date:   Tue, 3 Oct 2017 12:51:43 +0200
From:   Javier González <jg@...htnvm.io>
To:     Hans Holmberg <hans.ml.holmberg@...tronix.com>
Cc:     Matias Bjørling <mb@...htnvm.io>,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Hans Holmberg <hans.holmberg@...xlabs.com>
Subject: Re: [PATCH 0/9] recovery robustness improvements

> On 3 Oct 2017, at 12.05, Hans Holmberg <hans.ml.holmberg@...tronix.com> wrote:
> 
> From: Hans Holmberg <hans.holmberg@...xlabs.com>
> 
> 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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