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Wed, 12 Apr 2023 01:33:18 GMT Received: from smtprelay06.fra02v.mail.ibm.com ([9.218.2.230]) by ppma04ams.nl.ibm.com (PPS) with ESMTPS id 3pu0m1a1qb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 12 Apr 2023 01:33:17 +0000 Received: from smtpav05.fra02v.mail.ibm.com (smtpav05.fra02v.mail.ibm.com [10.20.54.104]) by smtprelay06.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 33C1XEDY43450886 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 12 Apr 2023 01:33:14 GMT Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 62D0120043; Wed, 12 Apr 2023 01:33:14 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AE0D320040; Wed, 12 Apr 2023 01:33:13 +0000 (GMT) Received: from li-ce58cfcc-320b-11b2-a85c-85e19b5285e0 (unknown [9.171.53.228]) by smtpav05.fra02v.mail.ibm.com (Postfix) with SMTP; Wed, 12 Apr 2023 01:33:13 +0000 (GMT) Date: Wed, 12 Apr 2023 03:33:12 +0200 From: Halil Pasic To: Stefan Haberland Cc: Jens Axboe , linux-block@vger.kernel.org, Jan Hoeppner , linux-s390@vger.kernel.org, Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Halil Pasic Subject: Re: [PATCH 2/7] s390/dasd: add autoquiesce feature Message-ID: <20230412033312.71e414b4.pasic@linux.ibm.com> In-Reply-To: <20230405142017.2446986-3-sth@linux.ibm.com> References: <20230405142017.2446986-1-sth@linux.ibm.com> <20230405142017.2446986-3-sth@linux.ibm.com> Organization: IBM X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: iLSuUrm7YHsjgNjviMaUL9FvdO2QjljG X-Proofpoint-GUID: iLSuUrm7YHsjgNjviMaUL9FvdO2QjljG X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-11_16,2023-04-11_02,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=828 spamscore=0 priorityscore=1501 adultscore=0 mlxscore=0 bulkscore=0 phishscore=0 impostorscore=0 clxscore=1015 lowpriorityscore=0 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304120011 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Wed, 5 Apr 2023 16:20:12 +0200 Stefan Haberland wrote: > Add the internal logic to check for autoquiesce triggers and handle > them. > > Quiesce and resume are functions that tell Linux to stop/resume > issuing I/Os to a specific DASD. > The DASD driver allows a manual quiesce/resume via ioctl. > > Autoquiesce will define an amount of triggers that will lead to > an automatic quiesce if a certain event occurs. > There is no automatic resume. > > All events will be reported via DASD Extended Error Reporting (EER) > if configured. > > Signed-off-by: Stefan Haberland > Reviewed-by: Jan Hoeppner Reviewed-by: Halil Pasic [..]