linux-kernel - Re: [GIT PULL 0/7] LightNVM pull request for 4.9

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Date:   Wed, 21 Sep 2016 08:14:19 -0600
From:   Jens Axboe <axboe@...com>
To:     Matias Bjørling <m@...rling.me>,
        <linux-block@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <keith.busch@...el.com>
Subject: Re: [GIT PULL 0/7] LightNVM pull request for 4.9

On 09/16/2016 06:25 AM, Matias Bjørling wrote:
> Hi Jens,
>
> A couple of patches for 4.9. We are preparing the pblk target for
> upstream, but it will have to wait for at least a cycle before it is
> ready.
>
> Geert and Arnd sent two fixes. One check for DMA and another for missing
> a device_add check.
>
> Simon added sysfs support to LightNVM. It allows the user to inspect the
> geometry of a device through sysfs. As NVMe device driver integrates
> with blk-mq, it also exposes the blk-mq sysfs structure.
>
> I added a couple of plumbing patches to enable sysfs. It mainly
> refactors nvme and null_blk to take control over nvm_dev and replaces
> the gendisk parameter in blk_mq_(un)register_disk() with device and the
> associated request queue.
>
> Please pick up.
>
> The patches are available here:
>
>   https://github.com/OpenChannelSSD/linux.git for-jens
>
> Thank you,
> Matias
>
> Arnd Bergmann (1):
>   lightnvm: propagate device_add() error code
>
> Geert Uytterhoeven (1):
>   lightnvm: NVM should depend on HAS_DMA
>
> Matias Bjørling (4):
>   nvme: refactor namespaces to support non-gendisk devices
>   null_blk: refactor to support non-gendisk devices
>   blk-mq: register device instead of disk
>   lightnvm: control life of nvm_dev in driver
>
> Simon A. F. Lund (1):
>   lightnvm: expose device geometry through sysfs
>
>  block/blk-mq-sysfs.c         |  17 ++--
>  block/blk-sysfs.c            |   4 +-
>  drivers/block/null_blk.c     | 128 +++++++++++++++++-----------
>  drivers/lightnvm/Kconfig     |   2 +-
>  drivers/lightnvm/Makefile    |   2 +-
>  drivers/lightnvm/core.c      |  55 +++++-------
>  drivers/lightnvm/lightnvm.h  |  35 ++++++++
>  drivers/lightnvm/sysfs.c     | 198 +++++++++++++++++++++++++++++++++++++++++++
>  drivers/md/dm-rq.c           |   2 +-
>  drivers/nvme/host/core.c     | 149 +++++++++++++++++++-------------
>  drivers/nvme/host/lightnvm.c |  33 ++++++--
>  drivers/nvme/host/nvme.h     |  26 ++++--
>  include/linux/blk-mq.h       |   4 +-
>  include/linux/lightnvm.h     |  18 ++--
>  14 files changed, 498 insertions(+), 175 deletions(-)
>  create mode 100644 drivers/lightnvm/lightnvm.h
>  create mode 100644 drivers/lightnvm/sysfs.c

Applied for 4.9, thanks.

-- 
Jens Axboe