linux-ext4 - Re: [PATCH v4 0/9] fs: implement multigrain timestamps

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Date:   Mon, 22 May 2023 11:54:53 +0200
From:   Christian Brauner <brauner@...nel.org>
To:     Jeff Layton <jlayton@...nel.org>
Cc:     Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>,
        Amir Goldstein <amir73il@...il.com>,
        David Howells <dhowells@...hat.com>,
        Neil Brown <neilb@...e.de>,
        Matthew Wilcox <willy@...radead.org>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Theodore T'so <tytso@....edu>, Chris Mason <clm@...com>,
        Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>,
        Namjae Jeon <linkinjeon@...nel.org>,
        Steve French <sfrench@...ba.org>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        Tom Talpey <tom@...pey.com>, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-xfs@...r.kernel.org,
        linux-btrfs@...r.kernel.org, linux-ext4@...r.kernel.org,
        linux-mm@...ck.org, linux-nfs@...r.kernel.org,
        linux-cifs@...r.kernel.org,
        Alexander Viro <viro@...iv.linux.org.uk>,
        "Darrick J. Wong" <djwong@...nel.org>,
        Hugh Dickins <hughd@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dave Chinner <david@...morbit.com>,
        Chuck Lever <chuck.lever@...cle.com>
Subject: Re: [PATCH v4 0/9] fs: implement multigrain timestamps

On Thu, 18 May 2023 07:47:33 -0400, Jeff Layton wrote:
> v4:
> - add request_mask argument to generic_fillattr
> - Drop current_ctime helper and just code functionality into current_time
> - rework i_ctime accessor functions
> 
> A few weeks ago, during one of the discussions around i_version, Dave
> Chinner wrote this:
> 
> [...]

Let's get this into -next so we can see whether this leads to any
performance or other regressions. It's moved to a vfs.unstable.* branch
for now. If nothing bad happens it'll be upgraded to a vfs.* branch.
Filesystems that prefer to carry their fs specific patch themselves can
request a stable tag for the generic changes.

---

Applied to the vfs.unstable.ctime branch of the vfs/vfs.git tree.
Patches in the vfs.unstable.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.

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

[1/9] fs: pass the request_mask to generic_fillattr
      https://git.kernel.org/vfs/vfs/c/ec1239bab5fd
[2/9] fs: add infrastructure for multigrain inode i_m/ctime
      https://git.kernel.org/vfs/vfs/c/97e9fbb03240
[3/9] overlayfs: allow it to handle multigrain timestamps
      https://git.kernel.org/vfs/vfs/c/ada0fe43f748
[4/9] nfsd: ensure we use ctime_peek to grab the inode->i_ctime
      https://git.kernel.org/vfs/vfs/c/39493918b700
[5/9] ksmbd: use ctime_peek to grab the ctime out of the inode
      https://git.kernel.org/vfs/vfs/c/35527cdc7840
[6/9] tmpfs: add support for multigrain timestamps
      https://git.kernel.org/vfs/vfs/c/ce1dc211dbde
[7/9] xfs: switch to multigrain timestamps
      https://git.kernel.org/vfs/vfs/c/78bbdfd2fb74
[8/9] ext4: convert to multigrain timestamps
      https://git.kernel.org/vfs/vfs/c/d2100ca52e14
[9/9] btrfs: convert to multigrain timestamps
      https://git.kernel.org/vfs/vfs/c/c725b40cfbd5