[GIT PULL] vfs: Add support for timestamp limits

[Deepa Dinamani]

Hi Al, Arnd,

This is a pull request for filling in min and max timestamps for filesystems.
I've added all the acks, and dropped the adfs patch. That will be merged through
Russell's tree.

Thanks,
Deepa

The following changes since commit 5d18cb62218608a1388858880ad3ec76d6cb0d3b:

  Add linux-next specific files for 20190828 (2019-08-28 19:59:14 +1000)

are available in the Git repository at:

  https://github.com/deepa-hub/vfs limits

for you to fetch changes up to f0f216afa4c7e4dee9121fde52ccf57f76119188:

  isofs: Initialize filesystem timestamp ranges (2019-08-28 19:19:36 -0700)

----------------------------------------------------------------
Deepa Dinamani (19):
      vfs: Add file timestamp range support
      vfs: Add timestamp_truncate() api
      timestamp_truncate: Replace users of timespec64_trunc
      mount: Add mount warning for impending timestamp expiry
      utimes: Clamp the timestamps before update
      fs: Fill in max and min timestamps in superblock
      9p: Fill min and max timestamps in sb
      ext4: Initialize timestamps limits
      fs: nfs: Initialize filesystem timestamp ranges
      fs: cifs: Initialize filesystem timestamp ranges
      fs: fat: Initialize filesystem timestamp ranges
      fs: affs: Initialize filesystem timestamp ranges
      fs: sysv: Initialize filesystem timestamp ranges
      fs: ceph: Initialize filesystem timestamp ranges
      fs: orangefs: Initialize filesystem timestamp ranges
      fs: hpfs: Initialize filesystem timestamp ranges
      fs: omfs: Initialize filesystem timestamp ranges
      pstore: fs superblock limits
      isofs: Initialize filesystem timestamp ranges

 fs/9p/vfs_super.c        |  6 +++++-
 fs/affs/amigaffs.c       |  2 +-
 fs/affs/amigaffs.h       |  3 +++
 fs/affs/inode.c          |  4 ++--
 fs/affs/super.c          |  4 ++++
 fs/attr.c                | 21 ++++++++++++---------
 fs/befs/linuxvfs.c       |  2 ++
 fs/bfs/inode.c           |  2 ++
 fs/ceph/super.c          |  2 ++
 fs/cifs/cifsfs.c         | 22 ++++++++++++++++++++++
 fs/cifs/netmisc.c        | 14 +++++++-------
 fs/coda/inode.c          |  3 +++
 fs/configfs/inode.c      | 12 ++++++------
 fs/cramfs/inode.c        |  2 ++
 fs/efs/super.c           |  2 ++
 fs/ext2/super.c          |  2 ++
 fs/ext4/ext4.h           | 10 +++++++++-
 fs/ext4/super.c          | 17 +++++++++++++++--
 fs/f2fs/file.c           | 21 ++++++++++++---------
 fs/fat/inode.c           | 12 ++++++++++++
 fs/freevxfs/vxfs_super.c |  2 ++
 fs/hpfs/hpfs_fn.h        |  6 ++----
 fs/hpfs/super.c          |  2 ++
 fs/inode.c               | 33 ++++++++++++++++++++++++++++++++-
 fs/isofs/inode.c         |  7 +++++++
 fs/jffs2/fs.c            |  3 +++
 fs/jfs/super.c           |  2 ++
 fs/kernfs/inode.c        |  7 +++----
 fs/minix/inode.c         |  2 ++
 fs/namespace.c           | 33 ++++++++++++++++++++++++++++++++-
 fs/nfs/super.c           | 20 +++++++++++++++++++-
 fs/ntfs/inode.c          | 21 ++++++++++++---------
 fs/omfs/inode.c          |  4 ++++
 fs/orangefs/super.c      |  2 ++
 fs/pstore/ram.c          |  2 ++
 fs/qnx4/inode.c          |  2 ++
 fs/qnx6/inode.c          |  2 ++
 fs/reiserfs/super.c      |  3 +++
 fs/romfs/super.c         |  2 ++
 fs/squashfs/super.c      |  2 ++
 fs/super.c               |  2 ++
 fs/sysv/super.c          |  5 ++++-
 fs/ubifs/file.c          | 21 ++++++++++++---------
 fs/ufs/super.c           |  7 +++++++
 fs/utimes.c              |  6 ++----
 fs/xfs/xfs_super.c       |  2 ++
 include/linux/fs.h       |  5 +++++
 include/linux/time64.h   |  2 ++
 48 files changed, 298 insertions(+), 72 deletions(-)