[RFC 0/6] vfs: Add timestamp range check support

[Deepa Dinamani]

The original thread is at https://lkml.org/lkml/2016/11/2/294

The branch is available at
https://github.com/deepa-hub/vfs.git refs/heads/vfs_timestamp_policy

Changes since v1:
* return EROFS on mount errors
* fix mtime copy/paste error in utimes

Deepa Dinamani (6):
  vfs: Add file timestamp range support
  vfs: Add checks for filesystem timestamp limits
  afs: Add time limits in the super block
  ext4: Initialize timestamps limits
  vfs: Add timestamp_truncate() api
  utimes: Clamp the timestamps before update

 fs/afs/super.c          |  2 ++
 fs/ext4/ext4.h          |  4 ++++
 fs/ext4/super.c         |  7 ++++++-
 fs/inode.c              | 37 ++++++++++++++++++++++++++++++++++++-
 fs/internal.h           |  2 ++
 fs/libfs.c              |  4 ++++
 fs/namespace.c          | 12 ++++++++++++
 fs/super.c              |  9 +++++++++
 fs/utimes.c             | 17 +++++++++++++----
 include/linux/fs.h      |  4 ++++
 include/linux/time64.h  |  6 ++++++
 include/uapi/linux/fs.h |  6 +++++-
 kernel/sysctl.c         |  7 +++++++
 13 files changed, 110 insertions(+), 7 deletions(-)

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2.7.4