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bh=A27jFx12vXNfjqH81hfxNYD7vviQVQL2KMKHCn7ENQs=; b=PhkQHF76iDWeAc/yIL0oAMk9si6TAkOpEkfCminZH90M0OrakeDBQs5z+RcUCSswqer+SM sifbA+TlFcuiAeXoE5Bgsrjf6dkFEcDtA4YXnVtdOLSfUkofFS9vEeow7+HDVC/mE2PgAF Xnbp5x5L1d5gCP/rFO7lFz9zxX9HSgtlD4CRJL0pMA85zZ3pJ4fkHxuPjgsX4qMeoGHO/W f34VcwRJBruNvVXK5XQgm5Fm+eZ4eY4Bupkjm+dBichPKyXkGrXaI6H1NaBSXD+fuCh1LN m8pnvEs2kNSX9umJfx5Et7D89RK4Fm6JzENQ+2BVWDP9/e/dUj1NQ6yEQoGSoA== From: Miquel Raynal To: Pengpeng Hou Cc: Richard Weinberger , Vignesh Raghavendra , Amit Kumar Mahapatra , Luca Ceresoli , linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [RFC] mtd: virt-concat: define duplicate partition handling In-Reply-To: <20260722041925.31407-1-pengpeng@iscas.ac.cn> (Pengpeng Hou's message of "Wed, 22 Jul 2026 12:19:25 +0800") References: <20260722041925.31407-1-pengpeng@iscas.ac.cn> User-Agent: mu4e 1.12.12; emacs 30.2 Date: Fri, 24 Jul 2026 11:39:01 +0200 Message-ID: <874ihosp56.fsf@bootlin.com> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260724_023911_757182_2488F4FB X-CRM114-Status: GOOD ( 17.50 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org SGkgUGVuZ3BlbmcsCgpPbiAyMi8wNy8yMDI2IGF0IDEyOjE5OjI1ICswOCwgUGVuZ3BlbmcgSG91 IDxwZW5ncGVuZ0Bpc2Nhcy5hYy5jbj4gd3JvdGU6Cgo+IG10ZF9kZXZpY2VfcGFyc2VfcmVnaXN0 ZXIoKSBjb250YWlucyBjb21wYXRpYmlsaXR5IGhhbmRsaW5nIGZvciBkcml2ZXJzIHRoYXQKPiBj YWxsIGl0IG1vcmUgdGhhbiBvbmNlLCB3aGlsZSBpdHMgY29tbWVudCBub3RlcyB0aGF0IHBhcnRp dGlvbiBwYXJzaW5nIGNhbgo+IHJlZ2lzdGVyIHRoZSBzYW1lIHBhcnRpdGlvbnMgYWdhaW4uCgpJ cyB0aGlzIGZlYXR1cmUgcmVhbGx5IHJlbGV2YW50PyBXaG8gdXNlcyB0aGF0PwoKPiBXaGVuIENP TkZJR19NVERfUEFSVElUSU9ORURfTUFTVEVSIGlzIGRpc2FibGVkIGFuZCB0aGUgZmlyc3QgY2Fs bCBmaW5kcwo+IHBhcnRpdGlvbnMsIHRoZSBtYXN0ZXIgaXRzZWxmIGlzIG5vdCByZWdpc3RlcmVk IGJlZm9yZSBwYXJzaW5nLiBBIGxhdGVyIGNhbGwKPiBjYW4gdGhlcmVmb3JlIHJlYWNoIHBhcnRp dGlvbiBwYXJzaW5nIGFnYWluLgo+Cj4gV2l0aCBDT05GSUdfTVREX1ZJUlRfQ09OQ0FULCBlYWNo IG5ld2x5IGFsbG9jYXRlZCBwYXJ0aXRpb24gd2hvc2UgT0Ygbm9kZQo+IGJlbG9uZ3MgdG8gYSB2 aXJ0dWFsIGNvbmNhdGVuYXRpb24gcmVhY2hlcyBtdGRfdmlydF9jb25jYXRfYWRkKCkuIFRoYXQK PiBmdW5jdGlvbiBhcHBlbmRzIHRoZSBwYXJ0aXRpb24gYmFzZWQgb25seSBvbiB0aGUgT0Ygbm9k ZSBhbmQgaW5jcmVtZW50cwo+IG51bV9zdWJkZXYgd2l0aG91dCBjaGVja2luZyB3aGV0aGVyIHRo ZSBub2RlIHdhcyBhbHJlYWR5IGFkZGVkIG9yIHdoZXRoZXIKPiB0aGUgZml4ZWQgc3ViZGV2W10g YXJyYXkgaXMgZnVsbC4KPgo+IEEgcmVwZWF0ZWQgcGFyc2UgY2FuIHRoZXJlZm9yZSBhcHBlbmQg dGhlIHNhbWUgbm9kZSBhZ2Fpbi4gSWYgYWxsIGNvbmZpZ3VyZWQKPiBzbG90cyB3ZXJlIGFscmVh ZHkgcG9wdWxhdGVkLCB0aGUgYXBwZW5kIGlzIG91dCBvZiBib3VuZHMuIElmIG90aGVyIG1lbWJl cnMKPiBhcmUgc3RpbGwgbWlzc2luZywgdGhlIGR1cGxpY2F0ZSBjYW4gbWFrZSBudW1fc3ViZGV2 IHJlYWNoIHRoZSBjb25maWd1cmVkCj4gY291bnQgd2l0aCB0aGUgd3JvbmcgbWVtYmVyc2hpcC4K Pgo+IEEgbG9jYWwgYm91bmRzIGNoZWNrIGRvZXMgbm90IHNlZW0gc3VmZmljaWVudCBmb3IgYSBj b3JyZWN0IHBhdGNoOgo+Cj4gICAtIGNvbmNhdF9ub2RlX2xpc3QgYW5kIHRoZSBjb25jYXQgcG9w dWxhdGlvbiBzdGF0ZSBhcmUgZ2xvYmFsLCBidXQgbm9kZQo+ICAgICBjcmVhdGlvbiwgYWRkaXRp b24sIGpvaW4gY3JlYXRpb24gYW5kIGRlc3RydWN0aW9uIGhhdmUgbm8gY29tbW9uCj4gICAgIHNl cmlhbGl6YXRpb24uCgpCdXQgYXJlbid0IHRoZXNlIG9wZXJhdGlvbnMgc2VyaWFsaXplZCBqdXN0 IGJlY2F1c2Ugb2YgaG93IHRoZSBNVEQgY29yZQppcyBkZXNpZ25lZD8KCj4gICAtIG10ZF92aXJ0 X2NvbmNhdF9hZGQoKSByZXR1cm5zIGJvb2wuIGZhbHNlIG1lYW5zIGJvdGggIm5vdCBhIGNvbmNh dAo+ICAgICBtZW1iZXIiIGFuZCAibm90IGFkZGVkIi4gUmV0dXJuaW5nIGZhbHNlIGZvciBhIGR1 cGxpY2F0ZSBtYWtlcwo+ICAgICBhZGRfbXRkX3BhcnRpdGlvbnMoKSByZWdpc3RlciBpdCBhcyBh biBvcmRpbmFyeSBwYXJ0aXRpb24sIHdoaWxlIHJldHVybmluZwo+ICAgICB0cnVlIHdpdGhvdXQg c3RvcmluZyBpdCB3b3VsZCBsZWFrIHRoZSBuZXdseSBhbGxvY2F0ZWQgcGFydGl0aW9uLgo+ICAg LSBqb2luIGNyZWF0aW9uIGFuZCBkZXN0cnVjdGlvbiBjYWxsIGJhY2sgaW50byBNVEQgcmVnaXN0 cmF0aW9uIGhlbHBlcnMsIHNvCj4gICAgIGEgZHJpdmVyLWdsb2JhbCBtdXRleCBtdXN0IGhhdmUg YSBjYXJlZnVsbHkgZGVmaW5lZCBzY29wZSB0byBhdm9pZAo+ICAgICByZWN1cnNpdmUgbG9ja2lu Zy4KPgo+IE15IGN1cnJlbnQgdmlldyBpcyB0aGF0IHRoZSBmaXggbmVlZHMgYm90aCBhIHNlcmlh bGl6YXRpb24gY29udHJhY3QgZm9yIHRoZQo+IGdsb2JhbCB2aXJ0dWFsLWNvbmNhdCBzdGF0ZSBh bmQgYSB0cmktc3RhdGUgYWRkIHJlc3VsdCwgc28gdGhlIGNhbGxlciBjYW4KPiBkaXN0aW5ndWlz aCAibm90IGEgbWVtYmVyIiBmcm9tIGEgZHVwbGljYXRlIG9yIGNhcGFjaXR5IGVycm9yIGFuZCBm cmVlIHRoZQo+IG5ldyBwYXJ0aXRpb24gb24gZXJyb3IuCj4KPiBXb3VsZCB5b3UgcHJlZmVyIHRo aXMgc2VyaWFsaXphdGlvbiB0byBsaXZlIGluc2lkZSBtdGRfdmlydF9jb25jYXQsIG9yIHNob3Vs ZAo+IHRoZSBNVEQgcmVnaXN0cmF0aW9uIGxheWVyIHNlcmlhbGl6ZSB0aGUgbm9kZS1jcmVhdGUv cGFydGl0aW9uLWFkZC9qb2luCj4gdHJhbnNhY3Rpb24/IEkgaGF2ZSBub3QgYXR0YWNoZWQgYSBw YXRjaCBiZWNhdXNlIGNob29zaW5nIGVpdGhlciBzY29wZQo+IHdpdGhvdXQgYWdyZWVtZW50IHdv dWxkIGVuY29kZSBhIG5ldyBsaWZldGltZSBhbmQgZXJyb3ItaGFuZGxpbmcgY29udHJhY3QuCgpJ ZiBpdCBpcyBzcGVjaWZpYyB0byB0aGUgdmlydCBjb25jYXQgbGF5ZXIsIEkgd291bGQgdHJ5IHRv IGtlZXAgdGhlCmNoYW5nZXMgY29udGFpbmVkIGluIHRoZSB2aXJ0IGNvbmNhdCBkcml2ZXIuCgpU aGFua3MsCk1pcXXDqGwKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpMaW51eCBNVEQgZGlzY3Vzc2lvbiBtYWlsaW5nIGxpc3QKaHR0cDovL2xp c3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1tdGQvCg==