linux-kernel - Re: [PATCH v6 0/9] fs: multigrain timestamp redux

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Message-ID: <20240722-festmachen-lehrstellen-f86d1bd28997@brauner>
Date: Mon, 22 Jul 2024 17:30:17 +0200
From: Christian Brauner <brauner@...nel.org>
To: Jeff Layton <jlayton@...nel.org>
Cc: Alexander Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.cz>, 
	Steven Rostedt <rostedt@...dmis.org>, Masami Hiramatsu <mhiramat@...nel.org>, 
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, Chandan Babu R <chandan.babu@...cle.com>, 
	"Darrick J. Wong" <djwong@...nel.org>, Theodore Ts'o <tytso@....edu>, 
	Andreas Dilger <adilger.kernel@...ger.ca>, Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>, 
	David Sterba <dsterba@...e.com>, Hugh Dickins <hughd@...gle.com>, 
	Andrew Morton <akpm@...ux-foundation.org>, Jonathan Corbet <corbet@....net>, 
	Dave Chinner <david@...morbit.com>, Andi Kleen <ak@...ux.intel.com>, 
	Christoph Hellwig <hch@...radead.org>, Uros Bizjak <ubizjak@...il.com>, 
	Kent Overstreet <kent.overstreet@...ux.dev>, Arnd Bergmann <arnd@...db.de>, 
	Randy Dunlap <rdunlap@...radead.org>, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-trace-kernel@...r.kernel.org, linux-xfs@...r.kernel.org, linux-ext4@...r.kernel.org, 
	linux-btrfs@...r.kernel.org, linux-mm@...ck.org, linux-nfs@...r.kernel.org, 
	linux-doc@...r.kernel.org
Subject: Re: [PATCH v6 0/9] fs: multigrain timestamp redux

On Tue, Jul 16, 2024 at 08:45:16AM GMT, Jeff Layton wrote:
> On Tue, 2024-07-16 at 09:37 +0200, Christian Brauner wrote:
> > On Mon, Jul 15, 2024 at 08:48:51AM GMT, Jeff Layton wrote:
> > > I think this is pretty much ready for linux-next now. Since the latest
> > > changes are pretty minimal, I've left the Reviewed-by's intact. It would
> > > be nice to have acks or reviews from maintainers for ext4 and tmpfs too.
> > > 
> > > I did try to plumb this into bcachefs too, but the way it handles
> > > timestamps makes that pretty difficult. It keeps the active copies in an
> > > internal representation of the on-disk inode and periodically copies
> > > them to struct inode. This is backward from the way most blockdev
> > > filesystems do this.
> > > 
> > > Christian, would you be willing to pick these up  with an eye toward
> > > v6.12 after the merge window settles?
> > 
> > Yup. About to queue it up. I'll try to find some time to go through it
> > so I might have some replies later but that shouldn't hold up linux-next
> > at all.
> 
> Great!
> 
> There is one minor update to the percpu counter patch to compile those
> out when debugfs isn't enabled, so it may be best to pick the series
> from the "mgtime" branch in my public git tree. Let me know if you'd

I did that now and pushed to vfs.mgtime. Please take a look as I rebased
onto current master and resolved conflicts in xfs and btrfs. Thanks!