[PATCH 00/25] LightNVM patches for 4.5

[Matias BjÃrling]

Hi Jens,

Here is the collected patches for LightNVM ready for the 4.5 window.
They covers cover the following:

  - Several error handling fixes by Wenwei, and Javier.
  - Statistics bug reported and fixed by Chao.
  - Added two preparation patches for host-side write buffering, by
    Javier.
  - Fix by Wenwei to correctly place block upon reclaim fail.
  - Added sync support and introduced nvm_submit_ppa.
  - Fixed ordering bug when plane ppas were sent before sectors ppas.
  - Added missing bad block type.
  - Added mccap and lower page table support to support SLC.
  - Added on disk initialization to allow specific media manager to be
    loaded upon device scan.
  - Added factory reset to erase flash blocks on a device.
  - Added ioctls for initialization and factory reset.
  - Several refactoring patches to prepare for initialization and
    factory reset.

They are based on top of 4.4-rc8.

Please pick up when convenient.

Thank you,
Matias

Chao Yu (1):
  lightnvm: fix incorrect nr_free_blocks stat

Javier Gonzalez (1):
  lightnvm: add check after mempool allocation

Javier GonzÃlez (2):
  lightnvm: reference rrpc lun in rrpc block
  lightnvm: manage open and closed blocks separately

Matias BjÃrling (15):
  lightnvm: move ppa erase logic to core
  lightnvm: refactor rqd ppa list into set/free
  lightnvm: refactor end_io functions for sync
  lightnvm: return the get_bb_tbl return value
  lightnvm: sectors first in ppa list
  lightnvm: support multiple ppas in nvm_erase_ppa
  lightnvm: move rq->error to nvm_rq->error
  lightnvm: introduce nvm_submit_ppa
  lightnvm: fix missing grown bad block type
  lightnvm: add mccap support
  lightnvm: introduce mlc lower page table mappings
  lightnvm: core on-disk initialization
  lightnvm: introduce ioctl to initialize device
  lightnvm: use system block for mm initialization
  lightnvm: introduce factory reset

Wenwei Tao (6):
  lightnvm: fix bio submission issue
  lightnvm: unlock rq and free ppa_list on submission fail
  lightnvm: check bi_error in gc
  lightnvm: put block back to gc list on its reclaim fail
  lightnvm: fix locking and mempool in rrpc_lun_gc
  lightnvm: move the pages per block check out of the loop

 drivers/block/null_blk.c      |   3 +-
 drivers/lightnvm/Makefile     |   2 +-
 drivers/lightnvm/core.c       | 340 ++++++++++++++++++-
 drivers/lightnvm/gennvm.c     | 202 +++++-------
 drivers/lightnvm/rrpc.c       | 104 ++++--
 drivers/lightnvm/rrpc.h       |  13 +-
 drivers/lightnvm/sysblk.c     | 741 ++++++++++++++++++++++++++++++++++++++++++
 drivers/nvme/host/lightnvm.c  |  32 +-
 include/linux/lightnvm.h      | 119 ++++++-
 include/uapi/linux/lightnvm.h |  31 ++
 10 files changed, 1415 insertions(+), 172 deletions(-)
 create mode 100644 drivers/lightnvm/sysblk.c

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2.1.4