From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 499A24D8D93 for ; Thu, 23 Jul 2026 13:58:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784815122; cv=none; b=gJ/N1HXIbr8dHJMZ9yl1xgYTQEoLHApEsHmHU21A1ffT5J6Bx3Vo+P+/xDR+WTOyCmRZCmIgrMV3WkLXonE9AbCEnk/rq2FCqvNpC+3iJ4daR7sJEchq4+Pc653lCriH6Os9xeJp+y51esjcWfHBHVagotdXvyh9naBGHieYH/s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784815122; c=relaxed/simple; bh=vPye3+wLdrrwYgKYlrbEfirAm3DsLRQuu+ivR0Hj5Hs=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=ZwUwklboMXXV8ED578lSDYnYX14wVyjwhBMnGa37o/juzx9n6vtkHt7s3xnXZlF04zGmD6SE/Bmq3gVoC61pN934/zEPYgk75t3D8rdG5aS2w8qEi6pl1ZHUFCYpxpK3eCa5Agjs0qX0Zr32bNlcN2mFObfMW8ZAqjNjNY0W1hc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0C3711F000E9; Thu, 23 Jul 2026 13:58:32 +0000 (UTC) From: sashiko-bot@kernel.org Subject: Re: [PATCH v3 01/13] s390/dasd: Optimize max blocks per request for track alignment Reply-To: sashiko-reviews@lists.linux.dev To: "Stefan Haberland" Cc: linux-s390@vger.kernel.org, "Vasily Gorbik" , "Heiko Carstens" , "Alexander Gordeev" In-Reply-To: <20260723134743.672413-2-sth@linux.ibm.com> References: <20260723134743.672413-1-sth@linux.ibm.com> <20260723134743.672413-2-sth@linux.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Thu, 23 Jul 2026 13:58:31 +0000 Message-Id: <20260723135833.0C3711F000E9@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > With 4096-byte blocks a full ECKD track holds exactly 12 records. Lower > DASD_ECKD_MAX_BLOCKS from 190 to 180 so requests align to track > boundaries (15 full tracks); full-track I/O is more efficient than > partial-track writes, and 190 had no alignment significance and could > let a request cross a track boundary. >=20 > Signed-off-by: Stefan Haberland Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20260723134743.6724= 13-1-sth@linux.ibm.com?part=3D1