[PATCH 00/17][cr][v4]: C/R file owner, locks, leases

[Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>]

Checkpoint/restart file owner, file-locks and file-lease information.

See Documentation/checkpoint/file-locks added by patch 17/17 for design
and file-system consistency requirements.

Changelog[v4]:

	- [Oren Laadan, Steven Whitehouse]: Document design and fs consistency
	  requirements.
	- [Oren Laadan]: For consistency with other such objects, replace
	  the "marker lock" checkpoint with a checkpoint of a count of the
	  file-locks before the first file-lock of each file.

Changelog[v3]:
	- Broke-up C/R of file-leases patches into smaller patches and included
	  them in this set.
	- Addressed comments from Jamie Lokier, Oren Laadan with help from
	  John Stultz on the computation of time offsets.


Sukadev Bhattiprolu (17):
  Add uid, euid params to f_modown()
  Add uid, euid params to __f_setown()
  Checkpoint file-owner information
  Restore file_owner info
  Move file_lock macros into linux/fs.h
  Checkpoint file-locks
  Define flock_set()
  Define flock64_set()
  Restore file-locks
  Initialize ->fl_break_time to 0
  Add ->fl_type_prev field.
  Add ->fl_break_notified field.
  Add jiffies_begin field to ckpt_ctx
  Checkpoint file-leases
  Define do_setlease()
  Restore file-leases
  Document design of C/R of file-locks and leases

 Documentation/checkpoint/file-locks |  126 ++++++++++
 drivers/char/tty_io.c               |    3 +-
 drivers/net/tun.c                   |    3 +-
 fs/checkpoint.c                     |  468 ++++++++++++++++++++++++++++++++---
 fs/fcntl.c                          |   19 +-
 fs/locks.c                          |  207 ++++++++++++----
 fs/notify/dnotify/dnotify.c         |    3 +-
 include/linux/checkpoint_hdr.h      |   25 ++
 include/linux/checkpoint_types.h    |    1 +
 include/linux/fs.h                  |   17 ++-
 kernel/checkpoint/sys.c             |    1 +
 11 files changed, 779 insertions(+), 94 deletions(-)
 create mode 100644 Documentation/checkpoint/file-locks

NOTE: Most of the "added lines" in fs/locks.c are comments about C/R :-)