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Date: Tue, 12 Aug 2025 10:21:32 +0200
From: Christoph Hellwig <hch@lst.de>
To: Kanchan Joshi <joshi.k@samsung.com>
Cc: kbusch@kernel.org, hch@lst.de, axboe@kernel.dk, brauner@kernel.org,
	josef@toxicpanda.com, jack@suse.cz, jlayton@kernel.org,
	linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org,
	gost.dev@samsung.com
Subject: Re: [RFC PATCH 1/5] fs: add a new user_write_streams() callback
Message-ID: <20250812082132.GA22212@lst.de>
References: <20250729145135.12463-1-joshi.k@samsung.com> <CGME20250729145333epcas5p49b6374fdedaafc54eb265d38978c1b8c@epcas5p4.samsung.com> <20250729145135.12463-2-joshi.k@samsung.com>
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On Tue, Jul 29, 2025 at 08:21:31PM +0530, Kanchan Joshi wrote:
> so that filesystem can control number of write streams for user space.

This feels the wrong way around.  I'd rather implement the actual interface
to get/set the write streams in the file system (maybe using common
helpers) than encode the nunber in a file operation.