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a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1625126430; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Xu5YUbI3OC/pK+LofYl5biLJ3jiA/0IbxgNEllDpcrw=; b=XplvibhW/d0RhjgNllxiFUj0n9JyyInx5EQRCMY4z5E3IWo05J6JAtRaXwnRJvn/6XuQHZ Oz/u0YZGqvSlIxAA== Received: from director2.suse.de ([192.168.254.72]) by imap3-int with ESMTPSA id n9KjGxx23WCofAAALh3uQQ (envelope-from ); Thu, 01 Jul 2021 08:00:28 +0000 Subject: Re: [PATCH 0/2] blk-mq: fix blk_mq_alloc_request_hctx To: Ming Lei Cc: Sagi Grimberg , Jens Axboe , linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, Christoph Hellwig , Daniel Wagner , Wen Xiong , John Garry References: <20210629074951.1981284-1-ming.lei@redhat.com> <5f304121-38ce-034b-2d17-93d136c77fe6@suse.de> <89081624-fedd-aa94-1ba2-9a137708a1f1@suse.de> From: Hannes Reinecke Message-ID: Date: Thu, 1 Jul 2021 10:00:27 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210701_010032_981504_3A1F160B X-CRM114-Status: GOOD ( 26.31 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org T24gNy8xLzIxIDE6NTkgQU0sIE1pbmcgTGVpIHdyb3RlOgo+IE9uIFdlZCwgSnVuIDMwLCAyMDIx IGF0IDA5OjQ2OjM1UE0gKzAyMDAsIEhhbm5lcyBSZWluZWNrZSB3cm90ZToKPj4gT24gNi8zMC8y MSA4OjU5IFBNLCBTYWdpIEdyaW1iZXJnIHdyb3RlOgo+Pj4KPj4+Pj4+PiBTaG91bGRuJ3Qgd2Ug cmF0aGVyIG1vZGlmeSB0aGUgdGFnc2V0IHRvIG9ubHkgcmVmZXIgdG8KPj4+Pj4+PiB0aGUgY3Vy cmVudCBvbmxpbmUKPj4+Pj4+PiBDUFVzIF9vbmx5XywgdGhlcmVieSBuZXZlciBzdWJtaXQgYSBj b25uZWN0IHJlcXVlc3QgZm9yIGhjdHggd2l0aCBvbmx5Cj4+Pj4+Pj4gb2ZmbGluZSBDUFVzPwo+ Pj4+Pj4KPj4+Pj4+IFRoZW4geW91IG1heSBzZXR1cCB2ZXJ5IGxlc3MgaW8gcXVldWVzLCBhbmQg cGVyZm9ybWFuY2UgbWF5IHN1ZmZlciBldmVuCj4+Pj4+PiB0aG91Z2ggbG90cyBvZiBDUFVzIGJl Y29tZSBvbmxpbmUgbGF0ZXIuCj4+Pj4+PiA7Cj4+Pj4+IE9ubHkgaWYgd2Ugc3RheSB3aXRoIHRo ZSByZWR1Y2VkIG51bWJlciBvZiBJL08gcXVldWVzLiBXaGljaCBpcwo+Pj4+PiBub3Qgd2hhdCBJ J20KPj4+Pj4gcHJvcG9zaW5nOyBJJ2QgcmF0aGVyIHByZWZlciB0byBjb25uZWN0IGFuZCBkaXNj b25uZWN0IHF1ZXVlcwo+Pj4+PiBmcm9tIHRoZSBjcHUKPj4+Pj4gaG90cGx1ZyBoYW5kbGVyLiBG b3Igc3RhcnRlcnMgd2UgY291bGQgZXZlbiB0cmlnZ2VyIGEgcmVzZXQgb25jZQo+Pj4+PiB0aGUg Zmlyc3QKPj4+Pj4gY3B1IHdpdGhpbiBhIGhjdHggaXMgb25saW5lZC4KPj4+Pgo+Pj4+IFllYWgs IHRoYXQgbmVlZCBvbmUgYmlnL2NvbXBsaWNhdGVkIHBhdGNoc2V0LCBidXQgbm90IHNlZSBhbnkg YWR2YW50YWdlcwo+Pj4+IG92ZXIgdGhpcyBzaW1wbGUgYXBwcm9hY2guCj4+Pgo+Pj4gSSB0ZW5k IHRvIGFncmVlIHdpdGggTWluZyBoZXJlLgo+Pgo+PiBBY3R1YWxseSwgRGFuaWVsIGFuZCBtZSBj YW1lIHRvIGEgc2xpZ2h0bHkgZGlmZmVyZW50IGlkZWE6IHVzZSBjcHUgaG90cGx1Zwo+PiBub3Rp Zmllci4KPj4gVGhpbmcgaXMsIGJsay1tcSBhbHJlYWR5IGhhcyBjcHUgaG90cGx1ZyBub3RpZmll ciwgd2hpY2ggc2hvdWxkIGVuc3VyZSB0aGF0Cj4+IG5vIEkvTyBpcyBwZW5kaW5nIGR1cmluZyBj cHUgaG90cGx1Zy4KPiAKPiBXaHkgc2hvdWxkIHdlIGVuc3VyZSB0aGF0IGZvciBub24tbWFuYWdl ZCBpcnE/Cj4gCgpXaGlsZSBub3Qgc3RyaWN0bHkgbmVjZXNzYXJ5LCBpdCBkb2VzIGFsaWduIHRo ZSBoY3R4IGxheW91dCB3aXRoIHRoZSAKY3VycmVudCBDUFUgdG9wb2xvZ3kuCkFzIHN1Y2ggd2Ug d29uJ3QgaGF2ZSBhbnkgJ3N0YWxlJyBDUFVzIG9yIHF1ZXVlcyBpbiB0aGUgaGN0eCBsYXlvdXQs IGFuZCAKd2l0aCB0aGF0IGF2b2lkIGFueSBpc3N1ZXMgd2UnbGwgYmUgaGF2aW5nIGR1ZSB0byBp bmFjdGl2ZSBDUFVzIGluIHRoZSAKY3B1bWFzay4KCj4+IElmIHdlIG5vdyBhZGQgYSBudm1lIGNw dSBob3RwbHVnIG5vdGlmaWVyIHdoaWNoIGVzc2VudGlhbGx5IGtpY2tzIG9mZiBhCj4+IHJlc2V0 IG9uY2UgYWxsIGNwdSBpbiBhIGhjdHggYXJlIG9mZmxpbmUgdGhlIHJlc2V0IGxvZ2ljIHdpbGwg cmVhcnJhbmdlIHRoZQo+PiBxdWV1ZXMgdG8gbWF0Y2ggdGhlIGN1cnJlbnQgY3B1IGxheW91dC4K Pj4gQW5kIHdoZW4gdGhlIGNwdXMgYXJlIGdldHRpbmcgb25saW5lZCB3ZSdsbCBkbyBhbm90aGVy IHJlc2V0Lgo+Pgo+PiBEYW5pZWwgaXMgY3VycmVudGx5IHByZXBhcmluZyBhIHBhdGNoOyBsZXQn cyBzZWUgaG93IGl0IGdvZXMuCj4gCj4gV2hhdCBpcyB0aGUgYWR2YW50YWdlIG9mIHRoYXQgYmln IGNoYW5nZSBvdmVyIHRoaXMgc2ltcGxlIHdheT8KPiAKCldpdGggdGhlIHNpbXBsZSB3YXkgd2Ug bWlnaHQgKGFuZCwgYXMgdGhlIHJlc3VsdHMgc2hvdywgZG8pIHJ1biB0aGUgCm52bWVfY3RybF9y ZXNldCgpIGluIHBhcmFsbGVsIHRvIENQVSBob3RwbHVnLgpUaGlzIGxlYWRzIHRvIHF1aXRlIHNv bWUgY29tcGxleGl0eSwgYW5kIGFzIHdlJ3ZlIHNlZW4gaXMgdHJpZ2dlcmluZyAKcXVpdGUgc29t ZSByYWNlIGNvbmRpdGlvbnMuCgpIZW5jZSBJIGRvIHRoaW5rIHdlIG5lZWQgdG8gc3luY2hyb25p emUgbnZtZV9jdHJsX3Jlc2V0KCkgd2l0aCBDUFUgCmhvdHBsdWcsIHRvIGVuc3VyZSB0aGF0IHRo ZSByZXNldCBoYW5kbGVyIGlzIGNvbXBsZXRlZCBiZWZvcmUgdGhlIGNwdSBpcyAKY29tcGxldGVs eSB0b3JuIGRvd24uCgpCdXQgc3luY2hyb25pemluZyB3aXRoIG52bWVfY3RybF9yZXNldCgpIG1l YW5zIHRvIGlzc3VlIGEgZmx1c2hfd29yaygpOyAKYW5kIGlmIHdlIGRvIHRoYXQgd2UgbWlnaHQg YXMgd2VsbCBnbyBmdWxsIGNpcmNsZSBhbmQgY2FsbCAKbnZtZV9jdHJsX3Jlc2V0X3N5bmMoKS4g QW5kIGFzIHRoaXMgd2lsbCByZWFycmFuZ2UgdGhlIGhjdHggdG8gbWF0Y2ggdGhlIApjdXJyZW50 IENQVSB0b3BvbG9neSB3ZSBkb24ndCBuZWVkIHRvIGZpZGRsZSB3aXRoIGl0IGluIHRoZSBob3Rw bHVnIApoYW5kbGVyLCBhbmQgY2FuIGxlYXZlIGV2ZXJ5dGhpbmcgdG8gbnZtZV9jdHJsX3Jlc2V0 KCkuCgpDaGVlcnMsCgpIYW5uZXMKLS0gCkRyLiBIYW5uZXMgUmVpbmVja2UgICAgICAgICAgICAg ICAgS2VybmVsIFN0b3JhZ2UgQXJjaGl0ZWN0CmhhcmVAc3VzZS5kZSAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICs0OSA5MTEgNzQwNTMgNjg4ClNVU0UgU29mdHdhcmUgU29sdXRpb25zIEdt YkgsIE1heGZlbGRzdHIuIDUsIDkwNDA5IE7DvHJuYmVyZwpIUkIgMzY4MDkgKEFHIE7DvHJuYmVy ZyksIEdlc2Now6RmdHNmw7xocmVyOiBGZWxpeCBJbWVuZMO2cmZmZXIKCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4LW52bWUgbWFpbGluZyBsaXN0 CkxpbnV4LW52bWVAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW52bWUK