linux-kernel - [PATCH v3 0/7] Support for Open-Channel SSDs

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Date:	Wed, 22 Apr 2015 16:26:49 +0200
From:	Matias Bjørling <m@...rling.me>
To:	hch@...radead.org, axboe@...com, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org
Cc:	javier@...etta.io, keith.busch@...el.com,
	Matias Bjørling <m@...rling.me>
Subject: [PATCH v3 0/7] Support for Open-Channel SSDs

Hi,

This is an updated version based on the feedback from Paul, Keith and
Christoph.

Patches are against v4.0.

Development and further information on LightNVM can be found at:

  https://github.com/OpenChannelSSD/linux

Changes since v2:

 Feedback from Paul Bolle:
 - Fix license to GPLv2, documentation, compilation.
 Feedback from Keith Busch:
 - nvme: Move lightnvm out and into nvme-lightnvm.c.
 - nvme: Set controller css on lightnvm command set.
 - nvme: Remove OACS.
 Feedback from Christoph Hellwig:
 - lightnvm: Move out of block layer into /drivers/lightnvm/core.c
 - lightnvm: refactor request->phys_sector into device drivers.
 - lightnvm: refactor prep/unprep into device drivers.
 - lightnvm: move nvm_dev from request_queue to gendisk.

 New
 - Bad block table support (From Javier).
 - Update maintainers file.

Changes since v1:

 - Splitted LightNVM into two parts. A get/put interface for flash
   blocks and the respective targets that implement flash translation
   layer logic.
 - Updated the patches according to the LightNVM specification changes.
 - Added interface to add/remove targets for a block device.

Javier González (1):
  nvme: rename and expose nvme_alloc_iod

Matias Bjørling (6):
  bio: Introduce LightNVM payload
  block: add REQ_NVM_GC for targets gc
  lightnvm: Support for Open-Channel SSDs
  lightnvm: RRPC target
  null_blk: LightNVM support
  nvme: LightNVM support

 Documentation/block/null_blk.txt |    8 +
 MAINTAINERS                      |    8 +
 drivers/Kconfig                  |    2 +
 drivers/Makefile                 |    2 +
 drivers/block/Makefile           |    2 +-
 drivers/block/null_blk.c         |  116 +++-
 drivers/block/nvme-core.c        |  112 +++-
 drivers/block/nvme-lightnvm.c    |  401 +++++++++++++
 drivers/lightnvm/Kconfig         |   26 +
 drivers/lightnvm/Makefile        |    6 +
 drivers/lightnvm/core.c          |  804 ++++++++++++++++++++++++++
 drivers/lightnvm/rrpc.c          | 1176 ++++++++++++++++++++++++++++++++++++++
 drivers/lightnvm/rrpc.h          |  215 +++++++
 include/linux/bio.h              |    9 +
 include/linux/blk_types.h        |    9 +-
 include/linux/blkdev.h           |    2 +
 include/linux/genhd.h            |    3 +
 include/linux/lightnvm.h         |  312 ++++++++++
 include/linux/nvme.h             |    8 +
 include/uapi/linux/lightnvm.h    |   70 +++
 include/uapi/linux/nvme.h        |  132 +++++
 21 files changed, 3400 insertions(+), 23 deletions(-)
 create mode 100644 drivers/block/nvme-lightnvm.c
 create mode 100644 drivers/lightnvm/Kconfig
 create mode 100644 drivers/lightnvm/Makefile
 create mode 100644 drivers/lightnvm/core.c
 create mode 100644 drivers/lightnvm/rrpc.c
 create mode 100644 drivers/lightnvm/rrpc.h
 create mode 100644 include/linux/lightnvm.h
 create mode 100644 include/uapi/linux/lightnvm.h

-- 
1.9.1

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