From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailout4.samsung.com (mailout4.samsung.com [203.254.224.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E4F7584D15 for ; Mon, 3 Jun 2024 11:17:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.254.224.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717413456; cv=none; b=V2ILOGf+nkzFKhuhnDCuftv5uDOmcXPfVhCldrg/ZHOCwtbLeIeKHPvKwkFHR4gBMGD9yZHlAIl1s5fjlYSIWVUvMq187Y+vCrwCk5gNLa2+zqbPk17Ecj6yQ7Ayv2yvkf5JQ9iPC7WEnctch6mLvgOXVbAwu7KikY+UtiQBQAQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717413456; c=relaxed/simple; bh=D3gB42XtxeSBE/jlJ1UPPvQmW6H1Vaq5vTF/0Hf4J0I=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:In-Reply-To: Content-Type:References; b=C3tCQvq+lhee7JDMQ2oOqwMtmM4CKAWTjKUVpbu7BXrWtyQkukCEtTjzKvhEBDewC0+sUTMw6xMxurkUUJiU2fFYqz/qaZO+lx2PSgLEV1gJ6BebFXF5OiEMYWLPPEv2ATnU9RpESGcegvlr5zSWmO86o+vXpXNFvWFPkCJy9Is= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com; spf=pass smtp.mailfrom=samsung.com; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b=FOfTfbDi; arc=none smtp.client-ip=203.254.224.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=samsung.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="FOfTfbDi" Received: from epcas5p2.samsung.com (unknown [182.195.41.40]) by mailout4.samsung.com (KnoxPortal) with ESMTP id 20240603111733epoutp041f0461d65b35cb326f70f98502c405c0~Vem-ABY4m1863718637epoutp04g for ; Mon, 3 Jun 2024 11:17:33 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout4.samsung.com 20240603111733epoutp041f0461d65b35cb326f70f98502c405c0~Vem-ABY4m1863718637epoutp04g DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1717413453; bh=D3gB42XtxeSBE/jlJ1UPPvQmW6H1Vaq5vTF/0Hf4J0I=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=FOfTfbDiGYY8dC+XkOh6fGvoSgYi+VKu3PQWMQ3I+dOlNKYBCeRGLbpjOtBQAZ0j1 F6yeyzcPhDg2vZJa+7qvRzQXw3aDosUaUS+74DZkxsPSvBuRU6ilXXPcbQ7PF2Cr6+ xMGYE71BQ1t9xzuUlXsLW5XXhxthiawahnvDJUcw= Received: from epsnrtp3.localdomain (unknown [182.195.42.164]) by epcas5p1.samsung.com (KnoxPortal) with ESMTP id 20240603111732epcas5p1ccf2e0f93b02b557dd78df93aa32c170~Vem_YDuab0938609386epcas5p1y; Mon, 3 Jun 2024 11:17:32 +0000 (GMT) Received: from epsmges5p2new.samsung.com (unknown [182.195.38.174]) by epsnrtp3.localdomain (Postfix) with ESMTP id 4VtB5k1BY1z4x9Q0; Mon, 3 Jun 2024 11:17:30 +0000 (GMT) Received: from epcas5p4.samsung.com ( [182.195.41.42]) by epsmges5p2new.samsung.com (Symantec Messaging Gateway) with SMTP id 00.39.09989.946AD566; Mon, 3 Jun 2024 20:17:29 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas5p3.samsung.com (KnoxPortal) with ESMTPA id 20240603111120epcas5p32f11d320999cb72c11dd1a3eae7ddbb0~VehjYO1QI1720317203epcas5p36; Mon, 3 Jun 2024 11:11:20 +0000 (GMT) Received: from epsmgmcp1.samsung.com (unknown [182.195.42.82]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20240603111119epsmtrp2f707e276d7ee7977b7bd999f469b7c14~VehjVlxGB0717207172epsmtrp2i; Mon, 3 Jun 2024 11:11:19 +0000 (GMT) X-AuditID: b6c32a4a-e57f970000002705-d6-665da649f8aa Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgmcp1.samsung.com (Symantec Messaging Gateway) with SMTP id 88.BE.18846.7D4AD566; Mon, 3 Jun 2024 20:11:19 +0900 (KST) Received: from nj.shetty?samsung.com (unknown [107.99.41.245]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20240603111116epsmtip2cdcced5778a81386c3c2c6481e874bdf~Vehf6HtUx0894208942epsmtip2t; Mon, 3 Jun 2024 11:11:16 +0000 (GMT) Date: Mon, 3 Jun 2024 11:04:15 +0000 From: Nitesh Shetty To: Christoph Hellwig Cc: Jens Axboe , Jonathan Corbet , Alasdair Kergon , Mike Snitzer , Mikulas Patocka , Keith Busch , Sagi Grimberg , Chaitanya Kulkarni , Alexander Viro , Christian Brauner , Jan Kara , martin.petersen@oracle.com, bvanassche@acm.org, david@fromorbit.com, hare@suse.de, damien.lemoal@opensource.wdc.com, anuj20.g@samsung.com, joshi.k@samsung.com, nitheshshetty@gmail.com, gost.dev@samsung.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, dm-devel@lists.linux.dev, linux-nvme@lists.infradead.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH v20 11/12] null: Enable trace capability for null block Message-ID: <20240603110415.7furv27qlemddzee@nj.shetty@samsung.com> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: <20240601062343.GA6347@lst.de> X-Brightmail-Tracker: H4sIAAAAAAAAA01Te1BUZRTvu3f37sUJWoGGDwgGr/YQBHcV1g9GihkcujycMMJGGVo3uLDI srvtQlLTJE8NFQQTnF3cQlghQECFmOWVvJ8hKYFJgliAjKQQYA3xapddrP9+5/ed3zm/c858 JG5ZxLEjY6TxjEIqklDEFlZt205n14Di8Chehxmq6u3EUUr2Ko7KR88TaKZtHqC8uSUcTTSf Bmi5fwBHNZ1jABUUaljofnMdhhoLL2CotLwDQ/mXUjHUsf6UQBdahwGaHFJjqGnEBV05pWWh xqYeFhqsv0ygb4snOaikaw1DOV8NYUg3kQxQ5cwsC3WP2KOB1S62jz09+HMg3VsI6Tr1KIce GLvBogf7E+ibZRkEXa09SU9XqwDdcD+JoIuyvmbTmanPCLou/SGb/nNyhEXP/jBE0Fk1ZYD+ saCdE2x1NHa/mBFFMgonRhohi4yRRntTgSFCX6GHgMd35XuifZSTVBTHeFMHgoJd/WIk+t1Q Tp+KJAl6KlikVFK7396vkCXEM05imTLem2LkkRK5u9xNKYpTJkij3aRMvBefx9vjoU88Fivu mbmHy3M5iXeSa4kkkEacAWYk5LrDP1RL+BmwhbTkNgCYN6IljME8gMXpU5wXQc/0dc6mZOUf Hdv4UAdgZVEeZgwWAGxeXNvIYnF3wPzaq+AMIEmC6wL71kkDbc2l4OSTfmDAODeXgOtqe0OK FTcQJo9JDLQ51xfOjnSyjHgr7FFNbGAzfZWW+XmWoRXktpnBXx8vAqOhA7D01lPMiK3gk64a k1E7uPCsyTTnCVh68TvCKE4DUH1PbRK/A9N7z+MGEzhXDKdGTbQDzO2txIw+LWDm8oSpvjnU fbOJt8NrVQWm+rZw+O9kE6bh0sRp04IeAngq7RGWDRzV/xtI/V879UYLL5gxl8I20vawZI00 wp2wqn53AWCXAVtGroyLZpQe8j1S5sSLG0fI4m6Cjd/iHKADj8bn3FoBRoJWAEmcsjbP+jIs ytI8UvTZ54xCJlQkSBhlK/DQXycHt3s1Qqb/btJ4Id/dk+cuEAjcPfcK+JSN+Uy6JtKSGy2K Z2IZRs4oNnUYaWaXhLGbrg/fCGrTvJ5Y5b2txrHdd3Hw6qGDDZMK2pWui3grNaarvp1/bMW/ 4uyH89c0KfmltCOZZ1GeofOJbQzVBaVrfrdYPPLbm91FLrsE2vAZbLS+r+aN7O1UzvcrV+4E 5HL9D3OqfUMrioYdnY7Lbl+yOSo9udrNrnoJUz3vuzvE12Yme81MTYerz9mO25Vn7HgQ+stK kO/LH4/VqxQL7hd/Gremjk99cPDBF86v1IZq3sN8PFuOxIaJdjmEvFsi3Hb2r7vv7/MPO1yB CSWD0fJbDpf3ftLHG3OOss9Peh6qwh/bxHxUNhbi10JaLvMPZSvEGbNufoHK3rWtt+1roxKL X/PXUiylWMR3xhVK0b+vszxutgQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrEIsWRmVeSWpSXmKPExsWy7bCSvO71JbFpBrv+mFmsP3WM2aJpwl9m i9V3+9ksXh/+xGgx7cNPZosnB9oZLX6fPc9sseXYPUaLBYvmsljcPLCTyWLPoklMFitXH2Wy mD29mcni6P+3bBaTDl1jtHh6dRaTxd5b2hYL25awWOzZe5LF4vKuOWwW85c9ZbdYfvwfk8XE jqtMFjueNDJarHv9nsXixC1pi/N/j7M6SHtcvuLtcWqRhMfOWXfZPc7f28jicflsqcemVZ1s HpuX1Hu82DyT0WP3zQY2j8V9k1k9epvfsXnsbL3P6vHx6S0Wj/f7rrJ59G1ZxehxZsER9gDh KC6blNSczLLUIn27BK6M+9N6mQuOs1TMmL2atYHxAnMXIyeHhICJxJ9fO1i7GLk4hAS2M0oc e7OCESIhKbHs7xGoImGJlf+es0MUfWSUuP9yPytIgkVARWL2tqVADRwcbALaEqf/c4CERQSU JJ6+Ogs2h1lgJpvEmfm5ICXCAt4SjfdyQMK8As4S728dY4EYeZ9RYuXRJ0wQCUGJkzOfsED0 mknM2/yQGaSXWUBaYvk/sPGcQJsOfvrEMoFRYBaSjllIOmYhdCxgZF7FKJpaUJybnptcYKhX nJhbXJqXrpecn7uJEZwMtIJ2MC5b/1fvECMTB+MhRgkOZiUR3r666DQh3pTEyqrUovz4otKc 1OJDjNIcLErivMo5nSlCAumJJanZqakFqUUwWSYOTqkGpvKn7V03VGSzm1eIF8TuFskSZ09l ENG5vNnEY1rcNNb48wf8XgUHJkV96pTYGCPtqVa3beqNs69+5Fls27cy16L4erf6iltN+5yN kmPLhLcnBr74cCh3ZSibdyK72TSheXcW1P9YvrWwff1/2WzGG3xRypn3Tt5PEF/W413zbjPj 2d7oZ8lsk3rC/spJsiZbq0tYP7va1ett91F4/sfwXVdqmF7+VQhqWW7zfWaY5pPDTDVTZFiu 3TNacmxjyql503ceVMp4umP7rs3HH9sebLHrtxepXzXzwD7pA538inollu/3VV/fxfDg7jKW 3umf1f47flJkP937MS0oxnvR5sPx+k7n+c7Laeo2++SKKbEUZyQaajEXFScCAKh+bmp1AwAA X-CMS-MailID: 20240603111120epcas5p32f11d320999cb72c11dd1a3eae7ddbb0 X-Msg-Generator: CA Content-Type: multipart/mixed; boundary="----Fualeei1.f5fhWGYL679EBd0hH5-OLgtfrOtH6wInDZGwDEe=_5215e_" X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20240520103027epcas5p4789defe8ab3bff23bd2abcf019689fa2 References: <20240520102033.9361-1-nj.shetty@samsung.com> <20240520102033.9361-12-nj.shetty@samsung.com> <20240601062343.GA6347@lst.de> ------Fualeei1.f5fhWGYL679EBd0hH5-OLgtfrOtH6wInDZGwDEe=_5215e_ Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Disposition: inline On 01/06/24 08:23AM, Christoph Hellwig wrote: >On Mon, May 20, 2024 at 03:50:24PM +0530, Nitesh Shetty wrote: >> This is a prep patch to enable copy trace capability. >> At present only zoned null_block is using trace, so we decoupled trace >> and zoned dependency to make it usable in null_blk driver also. > >No need to mention the "prep patch", just state what you are doing. Acked. >Any this could just go out to Jens ASAP. > There is no user of trace apart from zoned and copy offload. Hence this would not make sense as separate patch. Thank you, Nitesh Shetty ------Fualeei1.f5fhWGYL679EBd0hH5-OLgtfrOtH6wInDZGwDEe=_5215e_ Content-Type: text/plain; charset="utf-8" ------Fualeei1.f5fhWGYL679EBd0hH5-OLgtfrOtH6wInDZGwDEe=_5215e_--