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

From: Matias BjÃrling
Date: Wed Apr 22 2015 - 10:29:59 EST


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 GonzÃlez (1):
nvme: rename and expose nvme_alloc_iod

Matias BjÃrling (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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