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Message-ID: <20230621144507.55591-1-jlayton@kernel.org>
Date: Wed, 21 Jun 2023 10:45:05 -0400
From: Jeff Layton <jlayton@...nel.org>
To: Jeremy Kerr <jk@...abs.org>,
	Arnd Bergmann <arnd@...db.de>,
	Michael Ellerman <mpe@...erman.id.au>,
	Nicholas Piggin <npiggin@...il.com>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	Heiko Carstens <hca@...ux.ibm.com>,
	Vasily Gorbik <gor@...ux.ibm.com>,
	Alexander Gordeev <agordeev@...ux.ibm.com>,
	Christian Borntraeger <borntraeger@...ux.ibm.com>,
	Sven Schnelle <svens@...ux.ibm.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Arve Hjønnevåg <arve@...roid.com>,
	Todd Kjos <tkjos@...roid.com>,
	Martijn Coenen <maco@...roid.com>,
	Joel Fernandes <joel@...lfernandes.org>,
	Christian Brauner <brauner@...nel.org>,
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	Brad Warrum <bwarrum@...ux.ibm.com>,
	Ritu Agarwal <rituagar@...ux.ibm.com>,
	Eric Van Hensbergen <ericvh@...nel.org>,
	Latchesar Ionkov <lucho@...kov.net>,
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	Jan Harkes <jaharkes@...cmu.edu>,
	coda@...cmu.edu,
	Joel Becker <jlbec@...lplan.org>,
	Christoph Hellwig <hch@....de>,
	Nicolas Pitre <nico@...xnic.net>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Tyler Hicks <code@...icks.com>,
	Ard Biesheuvel <ardb@...nel.org>,
	Gao Xiang <xiang@...nel.org>,
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	Ronnie Sahlberg <lsahlber@...hat.com>,
	Shyam Prasad N <sprasad@...rosoft.com>,
	Tom Talpey <tom@...pey.com>,
	Sergey Senozhatsky <senozhatsky@...omium.org>,
	Phillip Lougher <phillip@...ashfs.org.uk>,
	Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Evgeniy Dushistov <dushistov@...l.ru>,
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	Ruihan Li <lrh2000@....edu.cn>,
	Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
	Wolfram Sang <wsa+renesas@...g-engineering.com>,
	Udipto Goswami <quic_ugoswami@...cinc.com>,
	Linyu Yuan <quic_linyyuan@...cinc.com>,
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	Alexey Dobriyan <adobriyan@...il.com>,
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	linuxppc-dev@...ts.ozlabs.org,
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Subject: [PATCH 00/79] fs: new accessors for inode->i_ctime

I've been working on a patchset to change how the inode->i_ctime is
accessed in order to give us conditional, high-res timestamps for the
ctime and mtime. struct timespec64 has unused bits in it that we can use
to implement this. In order to do that however, we need to wrap all
accesses of inode->i_ctime to ensure that bits used as flags are
appropriately handled.

This patchset first adds some new inode_ctime_* accessor functions. It
then converts all in-tree accesses of inode->i_ctime to use those new
functions and then renames the i_ctime field to __i_ctime to help ensure
that use of the accessors.

Most of this conversion was done via coccinelle, with a few of the more
non-standard accesses done by hand. There should be no behavioral
changes with this set. That will come later, as we convert individual
filesystems to use multigrain timestamps.

Some of these patches depend on the set I sent recently to add missing
ctime updates in various subsystems:

    https://lore.kernel.org/linux-fsdevel/20230612104524.17058-1-jlayton@kernel.org/T/#m25399f903cc9526e46b2e0f5a35713c80b52fde9

Since this patchset is so large, I'm only going to send individual
conversion patches to the appropriate maintainers. Please send
Acked-by's or Reviewed-by's if you can. The intent is to merge these as
a set (probably in v6.6). Let me know if that causes conflicts though,
and we can work it out.

This is based on top of linux-next as of yesterday.

Jeff Layton (79):
  fs: add ctime accessors infrastructure
  spufs: switch to new ctime accessors
  s390: switch to new ctime accessors
  binderfs: switch to new ctime accessors
  qib_fs: switch to new ctime accessors
  ibm: switch to new ctime accessors
  usb: switch to new ctime accessors
  9p: switch to new ctime accessors
  adfs: switch to new ctime accessors
  affs: switch to new ctime accessors
  afs: switch to new ctime accessors
  fs: switch to new ctime accessors
  autofs: switch to new ctime accessors
  befs: switch to new ctime accessors
  bfs: switch to new ctime accessors
  btrfs: switch to new ctime accessors
  ceph: switch to new ctime accessors
  coda: switch to new ctime accessors
  configfs: switch to new ctime accessors
  cramfs: switch to new ctime accessors
  debugfs: switch to new ctime accessors
  devpts: switch to new ctime accessors
  ecryptfs: switch to new ctime accessors
  efivarfs: switch to new ctime accessors
  efs: switch to new ctime accessors
  erofs: switch to new ctime accessors
  exfat: switch to new ctime accessors
  ext2: switch to new ctime accessors
  ext4: switch to new ctime accessors
  f2fs: switch to new ctime accessors
  fat: switch to new ctime accessors
  freevxfs: switch to new ctime accessors
  fuse: switch to new ctime accessors
  gfs2: switch to new ctime accessors
  hfs: switch to new ctime accessors
  hfsplus: switch to new ctime accessors
  hostfs: switch to new ctime accessors
  hpfs: switch to new ctime accessors
  hugetlbfs: switch to new ctime accessors
  isofs: switch to new ctime accessors
  jffs2: switch to new ctime accessors
  jfs: switch to new ctime accessors
  kernfs: switch to new ctime accessors
  minix: switch to new ctime accessors
  nfs: switch to new ctime accessors
  nfsd: switch to new ctime accessors
  nilfs2: switch to new ctime accessors
  ntfs: switch to new ctime accessors
  ntfs3: switch to new ctime accessors
  ocfs2: switch to new ctime accessors
  omfs: switch to new ctime accessors
  openpromfs: switch to new ctime accessors
  orangefs: switch to new ctime accessors
  overlayfs: switch to new ctime accessors
  proc: switch to new ctime accessors
  pstore: switch to new ctime accessors
  qnx4: switch to new ctime accessors
  qnx6: switch to new ctime accessors
  ramfs: switch to new ctime accessors
  reiserfs: switch to new ctime accessors
  romfs: switch to new ctime accessors
  smb: switch to new ctime accessors
  squashfs: switch to new ctime accessors
  sysv: switch to new ctime accessors
  tracefs: switch to new ctime accessors
  ubifs: switch to new ctime accessors
  udf: switch to new ctime accessors
  ufs: switch to new ctime accessors
  vboxsf: switch to new ctime accessors
  xfs: switch to new ctime accessors
  zonefs: switch to new ctime accessors
  mqueue: switch to new ctime accessors
  bpf: switch to new ctime accessors
  shmem: switch to new ctime accessors
  rpc_pipefs: switch to new ctime accessors
  apparmor: switch to new ctime accessors
  security: switch to new ctime accessors
  selinux: switch to new ctime accessors
  fs: rename i_ctime field to __i_ctime

 arch/powerpc/platforms/cell/spufs/inode.c |  2 +-
 arch/s390/hypfs/inode.c                   |  4 +-
 drivers/android/binderfs.c                |  8 +--
 drivers/infiniband/hw/qib/qib_fs.c        |  4 +-
 drivers/misc/ibmasm/ibmasmfs.c            |  2 +-
 drivers/misc/ibmvmc.c                     |  2 +-
 drivers/usb/core/devio.c                  | 16 +++---
 drivers/usb/gadget/function/f_fs.c        |  6 +--
 drivers/usb/gadget/legacy/inode.c         |  3 +-
 fs/9p/vfs_inode.c                         |  6 ++-
 fs/9p/vfs_inode_dotl.c                    | 11 ++--
 fs/adfs/inode.c                           |  4 +-
 fs/affs/amigaffs.c                        |  6 +--
 fs/affs/inode.c                           | 17 +++---
 fs/afs/dynroot.c                          |  2 +-
 fs/afs/inode.c                            |  6 +--
 fs/attr.c                                 |  2 +-
 fs/autofs/inode.c                         |  2 +-
 fs/autofs/root.c                          |  6 +--
 fs/bad_inode.c                            |  3 +-
 fs/befs/linuxvfs.c                        |  2 +-
 fs/bfs/dir.c                              | 16 +++---
 fs/bfs/inode.c                            |  6 +--
 fs/binfmt_misc.c                          |  3 +-
 fs/btrfs/delayed-inode.c                  | 10 ++--
 fs/btrfs/file.c                           | 24 +++------
 fs/btrfs/inode.c                          | 66 +++++++++--------------
 fs/btrfs/ioctl.c                          |  2 +-
 fs/btrfs/reflink.c                        |  7 ++-
 fs/btrfs/transaction.c                    |  3 +-
 fs/btrfs/tree-log.c                       |  4 +-
 fs/btrfs/xattr.c                          |  4 +-
 fs/ceph/acl.c                             |  2 +-
 fs/ceph/caps.c                            |  2 +-
 fs/ceph/inode.c                           | 17 +++---
 fs/ceph/snap.c                            |  2 +-
 fs/ceph/xattr.c                           |  2 +-
 fs/coda/coda_linux.c                      |  2 +-
 fs/coda/dir.c                             |  2 +-
 fs/coda/file.c                            |  2 +-
 fs/coda/inode.c                           |  2 +-
 fs/configfs/inode.c                       |  6 +--
 fs/cramfs/inode.c                         |  2 +-
 fs/debugfs/inode.c                        |  2 +-
 fs/devpts/inode.c                         |  6 +--
 fs/ecryptfs/inode.c                       |  2 +-
 fs/efivarfs/file.c                        |  2 +-
 fs/efivarfs/inode.c                       |  2 +-
 fs/efs/inode.c                            |  5 +-
 fs/erofs/inode.c                          | 16 +++---
 fs/exfat/file.c                           |  4 +-
 fs/exfat/inode.c                          |  6 +--
 fs/exfat/namei.c                          | 29 +++++-----
 fs/exfat/super.c                          |  4 +-
 fs/ext2/acl.c                             |  2 +-
 fs/ext2/dir.c                             |  6 +--
 fs/ext2/ialloc.c                          |  2 +-
 fs/ext2/inode.c                           | 11 ++--
 fs/ext2/ioctl.c                           |  4 +-
 fs/ext2/namei.c                           |  8 +--
 fs/ext2/super.c                           |  2 +-
 fs/ext2/xattr.c                           |  2 +-
 fs/ext4/acl.c                             |  2 +-
 fs/ext4/ext4.h                            | 20 +++++++
 fs/ext4/extents.c                         | 12 ++---
 fs/ext4/ialloc.c                          |  2 +-
 fs/ext4/inline.c                          |  4 +-
 fs/ext4/inode.c                           | 16 +++---
 fs/ext4/ioctl.c                           |  9 ++--
 fs/ext4/namei.c                           | 26 +++++----
 fs/ext4/super.c                           |  2 +-
 fs/ext4/xattr.c                           |  6 +--
 fs/f2fs/dir.c                             |  8 +--
 fs/f2fs/f2fs.h                            |  5 +-
 fs/f2fs/file.c                            | 16 +++---
 fs/f2fs/inline.c                          |  2 +-
 fs/f2fs/inode.c                           | 10 ++--
 fs/f2fs/namei.c                           | 12 ++---
 fs/f2fs/recovery.c                        |  4 +-
 fs/f2fs/super.c                           |  2 +-
 fs/f2fs/xattr.c                           |  2 +-
 fs/fat/inode.c                            |  8 +--
 fs/fat/misc.c                             |  7 ++-
 fs/freevxfs/vxfs_inode.c                  |  4 +-
 fs/fuse/control.c                         |  2 +-
 fs/fuse/dir.c                             |  8 +--
 fs/fuse/inode.c                           | 18 ++++---
 fs/gfs2/acl.c                             |  2 +-
 fs/gfs2/bmap.c                            | 11 ++--
 fs/gfs2/dir.c                             | 15 +++---
 fs/gfs2/file.c                            |  2 +-
 fs/gfs2/glops.c                           |  4 +-
 fs/gfs2/inode.c                           |  8 +--
 fs/gfs2/super.c                           |  4 +-
 fs/gfs2/xattr.c                           |  8 +--
 fs/hfs/catalog.c                          |  8 +--
 fs/hfs/dir.c                              |  2 +-
 fs/hfs/inode.c                            | 13 +++--
 fs/hfs/sysdep.c                           |  2 +-
 fs/hfsplus/catalog.c                      |  8 +--
 fs/hfsplus/dir.c                          |  6 +--
 fs/hfsplus/inode.c                        | 14 ++---
 fs/hostfs/hostfs_kern.c                   |  4 +-
 fs/hpfs/dir.c                             |  8 +--
 fs/hpfs/inode.c                           |  6 +--
 fs/hpfs/namei.c                           | 26 +++++----
 fs/hpfs/super.c                           |  5 +-
 fs/hugetlbfs/inode.c                      | 12 ++---
 fs/inode.c                                | 26 +++++++--
 fs/isofs/inode.c                          |  4 +-
 fs/isofs/rock.c                           | 16 +++---
 fs/jffs2/dir.c                            | 19 +++----
 fs/jffs2/file.c                           |  3 +-
 fs/jffs2/fs.c                             | 10 ++--
 fs/jffs2/os-linux.h                       |  2 +-
 fs/jfs/acl.c                              |  2 +-
 fs/jfs/inode.c                            |  2 +-
 fs/jfs/ioctl.c                            |  2 +-
 fs/jfs/jfs_imap.c                         |  8 +--
 fs/jfs/jfs_inode.c                        |  4 +-
 fs/jfs/namei.c                            | 25 ++++-----
 fs/jfs/super.c                            |  2 +-
 fs/jfs/xattr.c                            |  2 +-
 fs/kernfs/inode.c                         |  4 +-
 fs/libfs.c                                | 32 +++++------
 fs/minix/bitmap.c                         |  2 +-
 fs/minix/dir.c                            |  6 +--
 fs/minix/inode.c                          | 11 ++--
 fs/minix/itree_common.c                   |  4 +-
 fs/minix/namei.c                          |  6 +--
 fs/nfs/callback_proc.c                    |  2 +-
 fs/nfs/fscache.h                          |  4 +-
 fs/nfs/inode.c                            | 21 ++++----
 fs/nfsd/nfsctl.c                          |  2 +-
 fs/nfsd/vfs.c                             |  2 +-
 fs/nilfs2/dir.c                           |  6 +--
 fs/nilfs2/inode.c                         | 12 ++---
 fs/nilfs2/ioctl.c                         |  2 +-
 fs/nilfs2/namei.c                         |  8 +--
 fs/nsfs.c                                 |  2 +-
 fs/ntfs/inode.c                           | 15 +++---
 fs/ntfs/mft.c                             |  3 +-
 fs/ntfs3/file.c                           |  6 +--
 fs/ntfs3/frecord.c                        |  4 +-
 fs/ntfs3/inode.c                          | 14 ++---
 fs/ntfs3/namei.c                          | 10 ++--
 fs/ntfs3/xattr.c                          |  4 +-
 fs/ocfs2/acl.c                            |  6 +--
 fs/ocfs2/alloc.c                          |  6 +--
 fs/ocfs2/aops.c                           |  2 +-
 fs/ocfs2/dir.c                            |  8 +--
 fs/ocfs2/dlmfs/dlmfs.c                    |  4 +-
 fs/ocfs2/dlmglue.c                        | 10 ++--
 fs/ocfs2/file.c                           | 16 +++---
 fs/ocfs2/inode.c                          | 14 ++---
 fs/ocfs2/move_extents.c                   |  6 +--
 fs/ocfs2/namei.c                          | 22 ++++----
 fs/ocfs2/refcounttree.c                   | 14 ++---
 fs/ocfs2/xattr.c                          |  6 +--
 fs/omfs/dir.c                             |  4 +-
 fs/omfs/inode.c                           | 10 ++--
 fs/openpromfs/inode.c                     |  4 +-
 fs/orangefs/namei.c                       |  2 +-
 fs/orangefs/orangefs-utils.c              |  6 +--
 fs/overlayfs/file.c                       |  7 ++-
 fs/overlayfs/util.c                       |  2 +-
 fs/pipe.c                                 |  2 +-
 fs/posix_acl.c                            |  2 +-
 fs/proc/base.c                            |  2 +-
 fs/proc/inode.c                           |  2 +-
 fs/proc/proc_sysctl.c                     |  2 +-
 fs/proc/self.c                            |  2 +-
 fs/proc/thread_self.c                     |  2 +-
 fs/pstore/inode.c                         |  4 +-
 fs/qnx4/inode.c                           |  4 +-
 fs/qnx6/inode.c                           |  4 +-
 fs/ramfs/inode.c                          |  6 +--
 fs/reiserfs/inode.c                       | 14 ++---
 fs/reiserfs/ioctl.c                       |  4 +-
 fs/reiserfs/namei.c                       | 21 ++++----
 fs/reiserfs/stree.c                       |  4 +-
 fs/reiserfs/super.c                       |  2 +-
 fs/reiserfs/xattr.c                       |  5 +-
 fs/reiserfs/xattr_acl.c                   |  2 +-
 fs/romfs/super.c                          |  4 +-
 fs/smb/client/file.c                      |  4 +-
 fs/smb/client/fscache.h                   |  5 +-
 fs/smb/client/inode.c                     | 15 +++---
 fs/smb/client/smb2ops.c                   |  2 +-
 fs/smb/server/smb2pdu.c                   |  8 +--
 fs/squashfs/inode.c                       |  2 +-
 fs/stack.c                                |  2 +-
 fs/stat.c                                 |  2 +-
 fs/sysv/dir.c                             |  6 +--
 fs/sysv/ialloc.c                          |  2 +-
 fs/sysv/inode.c                           |  6 +--
 fs/sysv/itree.c                           |  4 +-
 fs/sysv/namei.c                           |  6 +--
 fs/tracefs/inode.c                        |  2 +-
 fs/ubifs/debug.c                          |  4 +-
 fs/ubifs/dir.c                            | 39 +++++++-------
 fs/ubifs/file.c                           | 16 +++---
 fs/ubifs/ioctl.c                          |  2 +-
 fs/ubifs/journal.c                        |  4 +-
 fs/ubifs/super.c                          |  4 +-
 fs/ubifs/xattr.c                          |  6 +--
 fs/udf/ialloc.c                           |  2 +-
 fs/udf/inode.c                            | 17 +++---
 fs/udf/namei.c                            | 24 ++++-----
 fs/ufs/dir.c                              |  6 +--
 fs/ufs/ialloc.c                           |  2 +-
 fs/ufs/inode.c                            | 23 ++++----
 fs/ufs/namei.c                            |  8 +--
 fs/vboxsf/utils.c                         |  4 +-
 fs/xfs/libxfs/xfs_inode_buf.c             |  4 +-
 fs/xfs/libxfs/xfs_trans_inode.c           |  2 +-
 fs/xfs/xfs_acl.c                          |  2 +-
 fs/xfs/xfs_bmap_util.c                    |  6 ++-
 fs/xfs/xfs_inode.c                        |  2 +-
 fs/xfs/xfs_inode_item.c                   |  2 +-
 fs/xfs/xfs_iops.c                         |  4 +-
 fs/xfs/xfs_itable.c                       |  4 +-
 fs/zonefs/super.c                         |  8 +--
 include/linux/fs.h                        | 55 ++++++++++++++++++-
 include/linux/fs_stack.h                  |  2 +-
 ipc/mqueue.c                              | 20 ++++---
 kernel/bpf/inode.c                        |  4 +-
 mm/shmem.c                                | 28 +++++-----
 net/sunrpc/rpc_pipe.c                     |  2 +-
 security/apparmor/apparmorfs.c            |  6 +--
 security/apparmor/policy_unpack.c         |  4 +-
 security/inode.c                          |  2 +-
 security/selinux/selinuxfs.c              |  2 +-
 233 files changed, 914 insertions(+), 808 deletions(-)

-- 
2.41.0


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