pnfs block layout driver

This patch set adds a block layout driver to the pnfs client.

Benny Halevy (25):
pnfs: add set-clear layoutdriver interface
pnfs: xdr support for three word attribute bitmap
pnfsblock: select BLK_DEV_DM when PNFS_BLOCK is configured
SQUASHME: pnfs-block: convert APIs pnfs-post-submit
SQUASHME: pnfsblock: get rid of threshold policy ops
SQUASHME: pnfs-block: nfs4_blk_add_block_disk ret must be signed
SQUASHME: pnfs-block: use new alloc/free_layout API
SQUASHME: pnfs-block: use new commit api
SQUASHME: pnfs-block: use new read_pagelist api
SQUASHME: pnfs-block: use new write_pagelist api
SQUASHME: pnfs-block: apply types rename
SQUASHME: pnfs-block: Revert "pnfsblock: expose block_class
interface"
SQUASHME: pnfsblock: remove obsolete include file from blocklayout.h
SQUASHME: pnfsblock: use nfs4_deviceid
SQUASHME: pnfsblock: no callback ops
SQAUSHME: pnfsblock: no PNFS_NFS_SERVER
SQUASHME: pnfsblock: no dev_notify_types
SQUASHME: pnfsblock: use new struct pnfs_layout_hdr
SQUASHME: pnfs-block: deprecate get_stripesize
SQUASHME: pnfs-block: use {set,clear}_layoutdriver
SQUASHME: pnfs-block: fixup setup_layoutcommit arguments
SQUASHME: pnfs-block: fixup cleanup_layoutcommit arguments
SQUASHME: pnfs-block: fixup encode_layoutcommit arguments
SQUASHME: pnfs-block: fixup layoutcommit methods args
SQUASHME: pnfs-block: use pnfs_layout_hdr field prefix

Boaz Harrosh (1):
SQUASHME: pnfs-block: remove of CONFIG_PNFS fallout

Fred (1):
pnfsblock: find_get_extent

Fred Isaman (39):
pnfs_post_submit: Restore "pnfs: pnfs_do_flush" part 1
pnfs_post_submit: Restore the pnfs_write_end part of "pnfs: commit
and pnfs_write_end"
pnfs: HACK: ask for layout_blksize on mount
pnfs: HACK: modify write_end_cleanup
HACK: propagate fsdata into nfs_writepage_setup
pnfs: HACK: adjust eof handling
pnfsblock: define PNFS_BLOCK Kconfig option
pnfsblock: blocklayout stub
pnfsblock: expose scsi interface
pnfsblock: scan scsi devices
pnfsblock: call and parse getdevicelist
pnfsblock: dm kernel interface
pnfsblock: create and destroy dm metadevice
pnfsblock: construct and load md table
pnfsblock: layout alloc and free
pnfsblock: basic extent code
pnfsblock: lseg alloc and free
pnfsblock: xdr decode pnfs_block_layout4
pnfsblock: merge extents
pnfsblock: bl_read_pagelist
pnfsblock: allow use of PG_owner_priv_1 flag
pnfsblock: read path error handling
pnfsblock: SPLITME: add extent manipulation functions
pnfsblock: write_begin
pnfsblock: write_end
pnfsblock: write_end_cleanup
pnfsblock: bl_write_pagelist support functions
pnfsblock: bl_write_pagelist
pnfsblock: note written INVAL areas for layoutcommit
pnfsblock: bl_setup_layoutcommit
pnfsblock: encode_layoutcommit
pnfsblock: cleanup_layoutcommit
pnfsblock: merge rw extents
pnfsblock: debugging dprintks for clist info
SQUASHME: pnfsblock: write_begin adjust for removed fields
SQUASHME: pnfsblock: write_end adjust for removed ok_to_use_pnfs
SQUASHME: pnfsblock: write_end_cleanup adjust for removed
ok_to_use_pnfs
SQUASHME: pnfsblock: bl_write_pagelist support functions adjust for
missing PG_USE_PNFS
SQUASHME: pnfsblock: bl_write_pagelist adjust for missing PG_USE_PNFS

J. Bruce Fields (1):
SQUASHME: pnfs-block: fix compile breakage

Jim Rees (5):
pnfs-block: Add support for simple rpc pipefs
pnfs-block: Remove device creation from kernel
move include lines out of include file
SQUASHME: pnfs-block: Return failure from bl_initialize_mountpoint
pnfs-block: fix blocklayoutdev.c for new blkdev_get_by_dev()

Mike Sager (1):
pnfsblock: use the session max response size for getdeviceinfo's
maxcount

Peng Tao (4):
pnfs: let layoutcommit code handle multiple segments
SQUASHME: pnfs: blocklayout: port block layout code Add configurable prefetch size for layoutget
NFS41: do not update isize if inode needs layoutcommit

Steve Dickson (1):
SQUASHME: pnfsblock: compile error in blocklayout code

Tao Guo (3):
SQUASHME: pnfsblock: fix bug when decoding block device info.
pnfsblock: expose block_class interface
pnfsblock: iterating all local block disks instead of only scsi disks
when initializing mount point.

Zhang Jingwang (7):
SQAUSHME: blocklayoutdriver: NULL pointer reference when committing
too many extents
SQUASHME: pnfsblock: Fix a memory leak
SQUASHME: pnfsblock: Wrong extent refcount in block extents list
SQUASHME: pnfsblock: Implement release_inval_marks
SQUASHME: pnfsblock: Fix missing extent in commit list
pnfsblock: Lookup list entry of layouts and tags in reverse order
SQUASHME: pnfsblock: set pnfs_blksize before calling
set_pnfs_layoutdriver

 fs/nfs/Kconfig                                   |   10 +
 fs/nfs/Makefile                                  |    1 +
 fs/nfs/blocklayout/Makefile                      |    6 +
 fs/nfs/blocklayout/block-device-discovery-pipe.c |   66 ++
 fs/nfs/blocklayout/blocklayout.c                 | 1103 ++++++++++++++++++++++
 fs/nfs/blocklayout/blocklayout.h                 |  297 ++++++
 fs/nfs/blocklayout/blocklayoutdev.c              |  346 +++++++
 fs/nfs/blocklayout/blocklayoutdm.c               |  120 +++
 fs/nfs/blocklayout/extents.c                     |  940 ++++++++++++++++++
 fs/nfs/client.c                                  |    8 +-
 fs/nfs/file.c                                    |   26 +-
 fs/nfs/inode.c                                   |    3 +-
 fs/nfs/nfs4_fs.h                                 |    2 +-
 fs/nfs/nfs4proc.c                                |    6 +-
 fs/nfs/nfs4xdr.c                                 |  104 ++-
 fs/nfs/pnfs.c                                    |   96 ++-
 fs/nfs/pnfs.h                                    |  126 +++-
 fs/nfs/sysctl.c                                  |   10 +
 fs/nfs/write.c                                   |   12 +-
 include/linux/nfs_fs.h                           |    3 +-
 include/linux/nfs_fs_sb.h                        |    4 +-
 include/linux/nfs_xdr.h                          |    3 +-
 include/linux/sunrpc/rpc_pipe_fs.h               |    4 +
 include/linux/sunrpc/simple_rpc_pipefs.h         |  105 ++
 net/sunrpc/Makefile                              |    2 +-
 net/sunrpc/simple_rpc_pipefs.c                   |  423 +++++++++
 26 files changed, 3778 insertions(+), 48 deletions(-)
 create mode 100644 fs/nfs/blocklayout/Makefile
 create mode 100644 fs/nfs/blocklayout/block-device-discovery-pipe.c
 create mode 100644 fs/nfs/blocklayout/blocklayout.c
 create mode 100644 fs/nfs/blocklayout/blocklayout.h
 create mode 100644 fs/nfs/blocklayout/blocklayoutdev.c
 create mode 100644 fs/nfs/blocklayout/blocklayoutdm.c
 create mode 100644 fs/nfs/blocklayout/extents.c
 create mode 100644 include/linux/sunrpc/simple_rpc_pipefs.h
 create mode 100644 net/sunrpc/simple_rpc_pipefs.c

1.7.4.1