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Mon, 18 Jan 2021 15:08:15 -0500 (EST) Date: Mon, 18 Jan 2021 21:08:14 +0100 From: Klaus Jensen To: Minwoo Im Subject: Re: [RFC PATCH V2 04/11] hw/block/nvme: split setup and register for namespace Message-ID: References: <20210117145341.23310-1-minwoo.im.dev@gmail.com> <20210117145341.23310-5-minwoo.im.dev@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="qQuxChu7WxrGp3r5" Content-Disposition: inline In-Reply-To: <20210117145341.23310-5-minwoo.im.dev@gmail.com> Received-SPF: pass client-ip=66.111.4.28; envelope-from=its@irrelevant.dk; helo=out4-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Keith Busch , Kevin Wolf , qemu-devel@nongnu.org, qemu-block@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" --qQuxChu7WxrGp3r5 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Jan 17 23:53, Minwoo Im wrote: > In NVMe, namespace is being attached to process I/O. We register NVMe > namespace to a controller via nvme_register_namespace() during > nvme_ns_setup(). This is main reason of receiving NvmeCtrl object > instance to this function to map the namespace to a controller. >=20 > To make namespace instance more independent, it should be split into two > parts: setup and register. This patch split them into two differnt > parts, and finally nvme_ns_setup() does not have nothing to do with > NvmeCtrl instance at all. >=20 > This patch is a former patch to introduce NVMe subsystem scheme to the > existing design especially for multi-path. In that case, it should be > split into two to make namespace independent from a controller. >=20 > Signed-off-by: Minwoo Im Reviewed-by: Klaus Jensen --qQuxChu7WxrGp3r5 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEUigzqnXi3OaiR2bATeGvMW1PDekFAmAF6qwACgkQTeGvMW1P DelIhAgAqN7Z5iEJLuwpMNA7QiXa5caNxZgYmuzCWOCKKwg7ZkmC4k1rcbHmNf4U rF6BcqkGaeItogpR60D8O2k5isCcC2yDuUrI1dgfIdpdgQphOVePWyHA565ZFC7G xgELxtPZinrDKKiTx1zp6FniiwGrSJdgx/zpABrTNmuB2aCnkNQ+r1Zz/u2WFHsF u/QHvlmEVO2TWN5WWczVcXTVjvpXYovIGbUChhC88RGKWNX3yQTTkBAWqJuR314X K7WGrOe+odfFM9XwD80HUB8o1eg8/ALOt1OpVPS9LbF5n6diQc29UWjYCAb1pqGR TZllyd0Xszd9MHVynx7CdGlrtSaeeg== =LCmp -----END PGP SIGNATURE----- --qQuxChu7WxrGp3r5--