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Date: Mon,  9 Oct 2023 18:09:31 +0200
From: Christian Brauner <brauner@...nel.org>
To: Jeff Layton <jlayton@...nel.org>
Cc: Christian Brauner <brauner@...nel.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	David Sterba <dsterba@...e.cz>,
	Amir Goldstein <amir73il@...il.com>,
	Theodore Ts'o <tytso@....edu>,
	Eric Biederman <ebiederm@...ssion.com>,
	Kees Cook <keescook@...omium.org>,
	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@...roid.com,
	Todd Kjos <tkjos@...roid.com>,
	Martijn Coenen <maco@...roid.com>,
	Joel Fernandes <joel@...lfernandes.org>,
	Carlos Llamas <cmllamas@...gle.com>,
	Suren Baghdasaryan <surenb@...gle.com>,
	Mattia Dongili <malattia@...ux.it>,
	Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>,
	Jason Gunthorpe <jgg@...pe.ca>,
	Leon Romanovsky <leon@...nel.org>,
	Brad Warrum <bwarrum@...ux.ibm.com>,
	Ritu Agarwal <rituagar@...ux.ibm.com>,
	Hans de Goede <hdegoede@...hat.com>,
	ilpo.jarvinen@...ux.intel.com,
	Mark Gross <markgross@...nel.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Eric Van Hensbergen <ericvh@...nel.org>,
	Latchesar Ionkov <lucho@...kov.net>,
	Dominique Martinet <asmadeus@...ewreck.org>,
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	David Sterba <dsterba@...e.com>,
	David Howells <dhowells@...hat.com>,
	Marc Dionne <marc.dionne@...istor.com>,
	Ian Kent <raven@...maw.net>,
	Luis de Bethencourt <luisbg@...nel.org>,
	Salah Triki <salah.triki@...il.com>,
	"Tigran A. Aivazian" <aivazian.tigran@...il.com>,
	Chris Mason <clm@...com>,
	Josef Bacik <josef@...icpanda.com>,
	Xiubo Li <xiubli@...hat.com>,
	Ilya Dryomov <idryomov@...il.com>,
	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>,
	Ard Biesheuvel <ardb@...nel.org>,
	Gao Xiang <xiang@...nel.org>,
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	Yue Hu <huyue2@...lpad.com>,
	Jeffle Xu <jefflexu@...ux.alibaba.com>,
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	Sungjong Seo <sj1557.seo@...sung.com>,
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	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
	Christoph Hellwig <hch@...radead.org>,
	Miklos Szeredi <miklos@...redi.hu>,
	Bob Peterson <rpeterso@...hat.com>,
	Andreas Gruenbacher <agruenba@...hat.com>,
	Richard Weinberger <richard@....at>,
	Anton Ivanov <anton.ivanov@...bridgegreys.com>,
	Johannes Berg <johannes@...solutions.net>,
	Mikulas Patocka <mikulas@...ax.karlin.mff.cuni.cz>,
	Mike Kravetz <mike.kravetz@...cle.com>,
	Muchun Song <muchun.song@...ux.dev>,
	Jan Kara <jack@...e.cz>,
	David Woodhouse <dwmw2@...radead.org>,
	Dave Kleikamp <shaggy@...nel.org>,
	Tejun Heo <tj@...nel.org>,
	Trond Myklebust <trond.myklebust@...merspace.com>,
	Anna Schumaker <anna@...nel.org>,
	Chuck Lever <chuck.lever@...cle.com>,
	Neil Brown <neilb@...e.de>,
	Olga Kornievskaia <kolga@...app.com>,
	Dai Ngo <Dai.Ngo@...cle.com>,
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	Ryusuke Konishi <konishi.ryusuke@...il.com>,
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	Mike Marshall <hubcap@...ibond.com>,
	Martin Brandenburg <martin@...ibond.com>,
	Luis Chamberlain <mcgrof@...nel.org>,
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	Tony Luck <tony.luck@...el.com>,
	"Guilherme G. Piccoli" <gpiccoli@...lia.com>,
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	Steve French <sfrench@...ba.org>,
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	Shyam Prasad N <sprasad@...rosoft.com>,
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	"Serge E. Hallyn" <serge@...lyn.com>,
	Stephen Smalley <stephen.smalley.work@...il.com>,
	Eric Paris <eparis@...isplace.org>,
	Kent Overstreet <kent.overstreet@...ux.dev>,
	Brian Foster <bfoster@...hat.com>,
	linux-fsdevel@...r.kernel.org,
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Subject: Re: [PATCH v2 00/89] fs: new accessor methods for inode atime and mtime

On Wed, Oct 04, 2023 at 02:52:21PM -0400, Jeff Layton wrote:
> v2:
> - bugfix in mtime handling
> - incorporate _sec and _nsec accessor functions (Chuck Lever)
> - move i_generation to plug hole after changing timestamps (Amir Goldstein)
> 
> While working on the multigrain timestamp changes, Linus suggested
> adding some similar wrappers for accessing the atime and mtime that we
> have for the ctime. With that, we could then move to using discrete
> integers instead of struct timespec64 in struct inode and shrink it.
> 
> This patch implements this. Linus suggested using macros for the new
> accessors, but the existing ctime wrappers were static inlines and since
> there are only 3 different timestamps, I didn't see that trying to
> fiddle with macros would gain us anything (other than less verbosity in
> fs.h).
> 
> [...]

This was applied on top of -next but vfs.ctime is now based on v6.6-rc3
as stable tag otherwise this is too much of a moving target with other
stuff in -next. Anything that had to be dropped and requires fixups
should just be explained in the pr. The sooner this sees some -next, the
better, I think.

---

Applied to the vfs.ctime branch of the vfs/vfs.git tree.
Patches in the vfs.ctime branch should appear in linux-next soon.

Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.

It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.

Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: vfs.ctime

[01/86] fs: new accessor methods for atime and mtime
        https://git.kernel.org/vfs/vfs/c/22f45fee808d
[02/86] fs: convert core infrastructure to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/6ac95fb71485
[03/86] spufs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/9953073d5f20
[04/86] hypfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/1d64bfe22112
[05/86] android: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/a8a74b6b4f2c
[06/86] char: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/671ffa0775a7
[07/86] qib: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/ebd5458f3b52
[08/86] ibmasm: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/1d4257d57a41
[09/86] misc: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/d4bf8378b9cb
[10/86] x86: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/070601b1e496
[11/86] tty: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/5c9f26b87bed
[12/86] function: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/092f46404245
[13/86] legacy: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/5c51d80e51d0
[14/86] usb: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/4707a33afd6f
[15/86] 9p: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/20fc454b4493
[16/86] adfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/3e8d59046f6d
[17/86] affs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/60d4d0d37086
[18/86] afs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/6471772aa6fe
[19/86] autofs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/3eaad981548b
[20/86] befs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/21d0433caf69
[21/86] bfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/06e502c123a6
[22/86] btrfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/f62049d7838d
[23/86] ceph: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/ac7750d84e38
[24/86] coda: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/5c4bf2507baa
[25/86] configfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/3b930e187f16
[26/86] cramfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/bb0bf9d3bda8
[27/86] debugfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/7dc950e659d6
[28/86] devpts: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/a1eb5c26d5a1
[29/86] efivarfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/17b5652aa824
[30/86] efs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/a3cfbea29e7d
[31/86] erofs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/2beccde96d66
[32/86] exfat: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/522f3c42c9e7
[33/86] ext2: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/07be81fce412
[34/86] ext4: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/2ff285d78c4d
[35/86] f2fs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/c495130561ae
[36/86] fat: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/e57260ae3226
[37/86] freevxfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/a83513cd029e
[38/86] fuse: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/5f1e57582b4e
[39/86] gfs2: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/a5f1a9296668
[40/86] hfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/7ee8d53576e9
[41/86] hfsplus: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/2179ad3569f6
[42/86] hostfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/c3e1be490207
[43/86] hpfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/e08a2ea26b41
[44/86] hugetlbfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/a9701db0ca64
[45/86] isofs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/362d327da07e
[46/86] jffs2: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/36a8a5a63218
[47/86] jfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/acd529413de5
[48/86] kernfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/05acde68936b
[49/86] minix: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/34c1ca111ec1
[50/86] nfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/77e808456854
[51/86] nfsd: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/a800ed7ebbbf
[52/86] nilfs2: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/4ddc9518c2fa
[53/86] ntfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/0d15c2118b1a
[54/86] ntfs3: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/82f8d5fde753
[55/86] ocfs2: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/45251ebaca70
[56/86] omfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/e7c1ff814326
[57/86] openpromfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/cb62db1d3c61
[58/86] orangefs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/68e257a49aed
[59/86] overlayfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/d482d98dc1bd
[60/86] proc: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/8c8afe8a25fa
[61/86] pstore: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/b0be548328a2
[62/86] qnx4: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/c28589f2d838
[63/86] qnx6: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/ae0f3d29e728
[64/86] ramfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/6315fd97a8fc
[65/86] reiserfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/8eceb9b75a5b
[66/86] romfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/6d3dd456da31
[67/86] client: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/b14d4c14f51b
[68/86] server: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/bec3d7ffcecd
[69/86] squashfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/d7d5ff75af52
[70/86] sysv: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/39f012d8743e
[71/86] tracefs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/22ada3856de8
[72/86] ubifs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/af8b66e1d4b7
[73/86] udf: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/1da45142f95a
[74/86] ufs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/41c46d3bb9b3
[75/86] vboxsf: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/cc36ec7935eb
[76/86] xfs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/ee3be90b2ba7
[77/86] zonefs: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/8c798cc16b17
[78/86] linux: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/dd53b64b6f51
[79/86] ipc: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/f132b3723b71
[80/86] bpf: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/448a018f67a3
[81/86] mm: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/b6f5b3d5ffc9
[82/86] sunrpc: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/fc9db028b8d7
[83/86] apparmor: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/794ef2a745ec
[84/86] selinux: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/3d57ee3686d7
[85/86] security: convert to new timestamp accessors
        https://git.kernel.org/vfs/vfs/c/71f6d9ebaf43
[86/86] fs: rename inode i_atime and i_mtime fields
        https://git.kernel.org/vfs/vfs/c/fea0e8fc7829

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