From: Andrew Morton <akpm@linux-foundation.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
Carlos Maiolino <cem@kernel.org>,
willy@infradead.org, dlemoal@kernel.org, hans.holmberg@wdc.com,
linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
linux-xfs@vger.kernel.org
Subject: Re: allow file systems to increase the minimum writeback chunk size v2
Date: Wed, 22 Oct 2025 11:38:25 -0700 [thread overview]
Message-ID: <20251022113825.f9d0a2f3143929f9e1f2967d@linux-foundation.org> (raw)
In-Reply-To: <20251022053434.GA3729@lst.de>
On Wed, 22 Oct 2025 07:34:34 +0200 Christoph Hellwig <hch@lst.de> wrote:
> Looks like everything is reviewed now, can we get this queued up
> as it fixes nasty fragmentation for zoned XFS?
>
> It seems like the most recent writeback updates went through the VFS
> tree, although -mm has been quite common as well.
mpage, writeback, readahead, filemap, buffer.c etc have traditionally
been MM tree things (heck, I basically wrote them all a mere 20 years
ago).
They're transitioning to being fs things nowadays, and that makes sense
- filesystems are the clients for this code.
But please do keep cc'ing linux-mm and myself on this work.
> > fs/fs-writeback.c | 26 +++++++++-----------------
> > fs/super.c | 1 +
> > fs/xfs/xfs_zone_alloc.c | 28 ++++++++++++++++++++++++++--
> > include/linux/fs.h | 1 +
> > include/linux/writeback.h | 5 +++++
VFS tree, please.
next prev parent reply other threads:[~2025-10-22 18:38 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-17 3:45 Christoph Hellwig
2025-10-17 3:45 ` [PATCH 1/3] writeback: cleanup writeback_chunk_size Christoph Hellwig
2025-10-17 12:31 ` Jan Kara
2025-10-20 9:35 ` Jan Kara
2025-10-24 14:11 ` Nirjhar Roy (IBM)
2025-10-17 3:45 ` [PATCH 2/3] writeback: allow the file system to override MIN_WRITEBACK_PAGES Christoph Hellwig
2025-10-17 12:32 ` Jan Kara
2025-10-17 15:45 ` Darrick J. Wong
2025-10-20 9:35 ` Jan Kara
2025-10-24 14:33 ` Nirjhar Roy (IBM)
2025-10-24 15:12 ` Christoph Hellwig
2025-10-17 3:45 ` [PATCH 3/3] xfs: set s_min_writeback_pages for zoned file systems Christoph Hellwig
2025-10-22 5:34 ` allow file systems to increase the minimum writeback chunk size v2 Christoph Hellwig
2025-10-22 18:38 ` Andrew Morton [this message]
2025-10-29 14:55 ` Christian Brauner
2025-10-29 14:56 ` Christian Brauner
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