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Date: Fri, 6 Feb 2026 07:46:46 +0100
From: Christoph Hellwig <hch@lst.de>
To: Kundan Kumar <kundan.kumar@samsung.com>
Cc: viro@zeniv.linux.org.uk, brauner@kernel.org, jack@suse.cz,
	willy@infradead.org, mcgrof@kernel.org, clm@meta.com,
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	linux-xfs@vger.kernel.org, gost.dev@samsung.com,
	anuj20.g@samsung.com, vishak.g@samsung.com, joshi.k@samsung.com
Subject: Re: [PATCH v3 5/6] xfs: add per-AG writeback workqueue
 infrastructure
Message-ID: <20260206064646.GA26533@lst.de>
References: <20260116100818.7576-1-kundan.kumar@samsung.com> <CGME20260116101259epcas5p1cfa6ab02e5a01f7c46cc78df95c57ce0@epcas5p1.samsung.com> <20260116100818.7576-6-kundan.kumar@samsung.com>
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User-Agent: Mutt/1.5.17 (2007-11-01)

On Fri, Jan 16, 2026 at 03:38:17PM +0530, Kundan Kumar wrote:
> Introduce per-AG writeback worker infrastructure at mount time.
> This patch adds initialization and teardown only, without changing
> writeback behavior.

We really should not be adding extra writeback threads in the file
system.  btrfs has done this and created a lot of madness.