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Petersen" Organization: Oracle Corporation References: <1561245371-10235-1-git-send-email-bcache@lists.ewheeler.net> Date: Sat, 22 Jun 2019 20:41:11 -0400 In-Reply-To: <1561245371-10235-1-git-send-email-bcache@lists.ewheeler.net> (Eric Wheeler's message of "Sat, 22 Jun 2019 16:16:09 -0700") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9296 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=586 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906230004 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9296 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=641 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906230004 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Eric, > While some drivers set queue_limits.io_opt (e.g., md raid5), there are > currently no SCSI/RAID controller drivers that do. That's not true. Lots of SCSI RAID devices report a stripe width. -- Martin K. Petersen Oracle Linux Engineering