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Peter Anvin" Cc: kreijack@inwind.it, Goffredo Baroncelli , Christoph Hellwig , Andrew Morton , Catalin Marinas , Will Deacon , Ard Biesheuvel , Huacai Chen , WANG Xuerui , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, Herbert Xu , Dan Williams , Chris Mason , David Sterba , Arnd Bergmann , Song Liu , Yu Kuai , Li Nan , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-crypto@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-arch@vger.kernel.org, linux-raid@vger.kernel.org Subject: Re: [PATCH 01/19] btrfs: require at least 4 devices for RAID 6 Message-ID: <20260515145158.GP2558453@suse.cz> References: <20260512052230.2947683-1-hch@lst.de> <20260512052230.2947683-2-hch@lst.de> <20260512114231.GG2558453@suse.cz> <20260513054742.GA1018@lst.de> <0a8d1ff4-f5a2-49e9-aa45-d25dbe4ded40@libero.it> <0507CCEF-0548-442F-8703-1D006B5E068B@zytor.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <0507CCEF-0548-442F-8703-1D006B5E068B@zytor.com> User-Agent: Mutt/1.5.23.1-rc1 (2014-03-12) X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 50.00]; REPLY(-4.00)[] X-Rspamd-Queue-Id: 4B04666D5C X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Action: no action X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260515_155202_533372_D0D3E01E X-CRM114-Status: GOOD ( 21.62 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: dsterba@suse.cz Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gVGh1LCBNYXkgMTQsIDIwMjYgYXQgMTI6NTc6NTNQTSAtMDcwMCwgSC4gUGV0ZXIgQW52aW4g d3JvdGU6Cj4gT24gTWF5IDE0LCAyMDI2IDEyOjUxOjU5IFBNIFBEVCwgR29mZnJlZG8gQmFyb25j ZWxsaSA8a3JlaWphY2tAbGliZXJvLml0PiB3cm90ZToKPiA+T24gMTMvMDUvMjAyNiAwNy40Nywg Q2hyaXN0b3BoIEhlbGx3aWcgd3JvdGU6Cj4gPj4gT24gVHVlLCBNYXkgMTIsIDIwMjYgYXQgMDE6 NDI6MzFQTSArMDIwMCwgRGF2aWQgU3RlcmJhIHdyb3RlOgo+ID4KPiA+PiAKPiA+Pj4gVGhlIGRl Z2VuZXJhdGUgbW9kZXMgb2YKPiA+Pj4gcmFpZDAsIDUsIG9yIDYgYXJlIGV4cGxpY2l0IGFzIGEg cG9zc2libGUgbWlkZGxlIHN0ZXAgd2hlbiBjb252ZXJ0aW5nCj4gPj4+IHByb2ZpbGVzLiAgV2Ug Y2FuIHVzZSBhIGZhbGxiYWNrIGltcGxlbWVudGF0aW9uIGZvciB0aGlzIGNhc2UgaWYgdGhlCj4g Pj4+IGFjY2VsZXJhdGVkIGltcGxlbWVudGF0aW9ucyBjYW5ub3QgZG8gaXQuCj4gPj4gCj4gPj4g VGhpcyBpcyBub3QgYWJvdXQgYSBkZWdlbmVyYXRlZCBtb2RlLiAgRm9yIGEgZGVnZW5lcmF0ZWQg UkFJRCA2LCBwYXJpdHkKPiA+PiBnZW5lcmF0aW9uIHVzZXMgdGhlIFJBSUQgNSBYT1Igcm91dGlu ZXMgYXMgdGhlIHNlY29uZCBwYXJpdHkgd2lsbCBiZQo+ID4+IG1pc3NpbmcuICBUaGlzIGlzIGFi b3V0IGdlbmVyYXRpbmcgdHdvIHBhcml0aWVzIGZvciBhIHNpbmdsZSBkYXRhIGRpc2ssCj4gPj4g d2hpY2ggbXVzdCBiZSBleHBsaWNpdGx5IHNlbGVjdGVkLgo+ID4+IAo+ID4KPiA+SSB0aGluayB0 aGF0IHRoZSBEYXZpZCBjb25jZXJuIGlzIDogIndoYXQgaGFwcGVucyBmb3IgYW4gYWxyZWFkeQo+ ID5leGlzdGluZyBidHJmcyByYWlkNiAzIGRpc2tzIGZpbGVzeXN0ZW0gd2hlbiB0aGUgdXNlciB1 cGdyYWRlIHRoZSBrZXJuZWwgPyIKPiA+KEkgYW0gdGhpbmtpbmcgd2hlbiBhIG5ldyBCRyBuZWVk cyB0byBiZSBhbGxvY2F0ZWQpLi4uCj4gCj4gVGhhdCdzIHdoYXQgSSdtIHNheWluZyDigJMgaXQg c2hvdWxkIGludm9rZSB0aGUgUkFJRC0xIGNvZGUgdW5kZXIgdGhlIGNvdmVyIChhcyB3aXRoIDMg ZGlza3MsIEQgPSBQID0gUS4pCgpUaGFua3MsIGl0IHdhcyBub3QgY2xlYXIgdG8gbWUgd2hhdCB5 b3UgbWVhbnQuIEZvciB0aGUgdHdvIGVkZ2UgY2FzZXMKdGhlIGNvZGUgc2hvdWxkIGRvIHNpbXBs ZSBtZW1jcHkgZm9yIGJvdGggY2FsY3VsYXRpb25zIG9mIHBhcml0eSBhbmQKcmVjb3ZlcnkuCgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1yaXNj diBtYWlsaW5nIGxpc3QKbGludXgtcmlzY3ZAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlz dHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LXJpc2N2Cg==