Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1332624

[RFC v2a 00/12] vfs 64 bit time transition proposal

From Deepa Dinamani <deepa.kernel@gmail.com>
Newsgroups linux.kernel
Subject [RFC v2a 00/12] vfs 64 bit time transition proposal
Date 2016-02-12 10:40 +0100
Message-ID <r1imK-54w-7@gated-at.bofh.it> (permalink)
References <r1id4-51c-15@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


Introduction

The series is one of the proposals on how to transition VFS timestamps
to use 64 bit time. This is the inode_timespec idea proposed in the
original RFC series. The type name has been changed to vfs_time based
on Dave Chinner’s suggestion.

Solution

This series defines a new type name for vfs timestamps: vfs_time.
All the individual file systems will use struct vfs_time to access vfs
timestamps.  Current time APIs also return vfs times and are considered
to be part of vfs as they are exclusively used for inode timestamps.

These are the steps involved:

1.Define vfs_time as an alias to timespec
2.Change individual filesystems to use only vfs_time data type
  for timestamps.  Make sure each filesystem will be safe when
  converted to use timespec64
3.Change vfs_time to be an alias for timespec64.
4.Change all filesystems to use timespec64 directly.

Note that the series only includes patches for steps 1 and 2.

Concerns

1.Before the vfs layer is done, it might be confusing to developers
  as individual filesystems now will have two options for access:
  timespec and vfs_time type.

Deepa Dinamani (12):
  vfs: Add vfs_time abstractions
  fs: cifs: Change cifs_fscache_inode_auxdata to use vfs_time data type
  fs: cifs: Change cifs_fattr timestamps data type to vfs_time
  fs: cifs: Make cnvrtDosUnixTm() y2038 safe
  fs: cifs: Use vfs_time_get_real_* time functions
  fs: btrfs: Change btrfs_inode.i_otime to use vfs_time data type
  fs: btrfs: Use vfs_time data type for btrfs_update_time()
  fs: btrfs: Change timespec data types to use vfs_time
  fs: ceph: Change encode and decode functions to use vfs_time
  fs: ceph: Replace timespec data type with vfs_time
  net: ceph: use vfs_time data type instead of timespec
  fs: xfs: change inode times to use vfs_time data type

 fs/btrfs/btrfs_inode.h          |  2 +-
 fs/btrfs/file.c                 |  6 +++---
 fs/btrfs/inode.c                |  2 +-
 fs/btrfs/ioctl.c                |  4 ++--
 fs/btrfs/root-tree.c            |  2 +-
 fs/btrfs/transaction.c          |  2 +-
 fs/ceph/cache.c                 |  2 +-
 fs/ceph/caps.c                  |  6 +++---
 fs/ceph/dir.c                   |  4 ++--
 fs/ceph/file.c                  |  6 +++---
 fs/ceph/inode.c                 | 32 ++++++++++++++++----------------
 fs/ceph/mds_client.c            |  2 +-
 fs/ceph/mds_client.h            |  2 +-
 fs/ceph/super.h                 |  8 ++++----
 fs/ceph/xattr.c                 |  2 +-
 fs/cifs/cache.c                 |  4 ++--
 fs/cifs/cifsencrypt.c           |  4 ++--
 fs/cifs/cifsglob.h              |  6 +++---
 fs/cifs/cifsproto.h             |  6 +++---
 fs/cifs/cifssmb.c               | 10 +++++-----
 fs/cifs/inode.c                 |  2 +-
 fs/cifs/netmisc.c               | 15 ++++++++-------
 fs/xfs/xfs_inode.c              |  2 +-
 fs/xfs/xfs_iops.c               |  2 +-
 fs/xfs/xfs_trans_inode.c        |  6 +++---
 include/linux/ceph/decode.h     | 11 ++++++-----
 include/linux/ceph/messenger.h  |  1 +
 include/linux/ceph/osd_client.h |  4 ++--
 include/linux/fs.h              | 19 +++++++++++++++++++
 net/ceph/osd_client.c           |  2 +-
 30 files changed, 99 insertions(+), 77 deletions(-)

-- 
1.9.1

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[RFC v2] vfs 64 bit time transition proposals Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:30 +0100
  [RFC v2a 12/12] fs: xfs: change inode times to use vfs_time data type Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:40 +0100
  [RFC v2a 10/12] fs: ceph: Replace timespec data type with vfs_time Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:40 +0100
  [RFC v2a 06/12] fs: btrfs: Change btrfs_inode.i_otime to use vfs_time data type Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:40 +0100
  [RFC v2a 02/12] fs: cifs: Change cifs_fscache_inode_auxdata to use vfs_time data type Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:40 +0100
  [RFC v2a 09/12] fs: ceph: Change encode and decode functions to use vfs_time Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:40 +0100
  [RFC v2a 04/12] fs: cifs: Make cnvrtDosUnixTm() y2038 safe Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:40 +0100
  [RFC v2a 05/12] fs: cifs: Use vfs_time_get_real_* time functions Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:40 +0100
  [RFC v2a 00/12] vfs 64 bit time transition proposal Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:40 +0100
    [RFC v2a 11/12] net: ceph: use vfs_time data type instead of timespec Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:40 +0100
      Re: [RFC v2a 11/12] net: ceph: use vfs_time data type instead of  timespec Dave Chinner <david@fromorbit.com> - 2016-02-13 23:10 +0100
        Re: [RFC v2a 11/12] net: ceph: use vfs_time data type instead of timespec Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-14 02:50 +0100
          Re: [RFC v2a 11/12] net: ceph: use vfs_time data type instead of timespec Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-14 03:10 +0100
          Re: [RFC v2a 11/12] net: ceph: use vfs_time data type instead of  timespec Dave Chinner <david@fromorbit.com> - 2016-02-14 22:10 +0100
            Re: [RFC v2a 11/12] net: ceph: use vfs_time data type instead of timespec Arnd Bergmann <arnd@arndb.de> - 2016-02-17 10:40 +0100
    [RFC v2a 07/12] fs: btrfs: Use vfs_time data type for btrfs_update_time() Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:40 +0100
    [RFC v2a 08/12] fs: btrfs: Change timespec data types to use vfs_time Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:40 +0100
    [RFC v2a 03/12] fs: cifs: Change cifs_fattr timestamps data type to vfs_time Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:50 +0100
    [RFC v2a 01/12] vfs: Add vfs_time abstractions Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:50 +0100
  [RFC v2b 4/5] fs: ceph: Use vfs timestamp accessors Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:50 +0100
  [RFC v2b 2/5] fs: cifs: Use vfs_time accessors Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:50 +0100
  [RFC v2b 3/5] fs: btrfs: Use vfs_time accessors Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:50 +0100
    Re: [RFC v2b 3/5] fs: btrfs: Use vfs_time accessors Arnd Bergmann <arnd@arndb.de> - 2016-02-12 15:00 +0100
      Re: [RFC v2b 3/5] fs: btrfs: Use vfs_time accessors Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-13 08:10 +0100
  [RFC v2b 0/5] vfs 64 bit time transition proposal Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:50 +0100
    [RFC v2b 1/5] vfs: Add vfs_time accessors Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 10:50 +0100
    [RFC v2b 5/5] fs: xfs: change inode times to use vfs_time data type Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 11:00 +0100
      Re: [RFC v2b 5/5] fs: xfs: change inode times to use vfs_time data  type Dave Chinner <david@fromorbit.com> - 2016-02-13 03:20 +0100
        Re: [Y2038] [RFC v2b 5/5] fs: xfs: change inode times to use vfs_time data type Arnd Bergmann <arnd@arndb.de> - 2016-02-13 16:00 +0100
          Re: [Y2038] [RFC v2b 5/5] fs: xfs: change inode times to use vfs_time  data type "David F." <df7729@gmail.com> - 2016-02-13 17:00 +0100
  [RFC v2c 8/8] fs: xfs: change inode times to use vfs_time data type Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 11:00 +0100
  [RFC v2c 2/8] fs: cifs: Change auxdata to struct timespec64 data type Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 11:00 +0100
  [RFC v2c 1/8] vfs: Add vfs_time abstractions Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 11:00 +0100
  [RFC v2c 4/8] fs: cifs: Make cnvrtDosUnixTm() y2038 safe Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 11:00 +0100
  [RFC v2c 6/8] fs: btrfs: Use vfs timestamp abstraction helper Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 11:00 +0100
  [RFC v2c 5/8] fs: btrfs: Change btrfs_inode.i_otime to vfs_time data type Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 11:00 +0100
  [RFC v2c 3/8] fs: cifs: Change cifs_fattr timestamps data type to timespec64 Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 11:00 +0100
  [RFC v2c 0/8] vfs 64 bit time transition proposal Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 11:00 +0100
    [RFC v2c 7/8] fs: ceph: Use vfs timestamp abstraction helpers Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-12 11:00 +0100
  Re: [Y2038] [RFC v2] vfs 64 bit time transition proposals Arnd Bergmann <arnd@arndb.de> - 2016-02-12 15:10 +0100
    Re: [Y2038] [RFC v2] vfs 64 bit time transition proposals Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-13 08:00 +0100
      [RFC v2] vfs 64 bit time transition proposals Deepa Dinamani <deepa.kernel@gmail.com> - 2016-02-13 13:00 +0100

csiph-web