From: Bart Van Assche <Bart.VanAssche@wdc.com>
To: "hch@infradead.org" <hch@infradead.org>,
"Viswas.G@microsemi.com" <Viswas.G@microsemi.com>,
"gerry.morong@microsemi.com" <gerry.morong@microsemi.com>,
"Mahesh.Rajashekhara@microsemi.com"
<Mahesh.Rajashekhara@microsemi.com>,
"POSWALD@suse.com" <POSWALD@suse.com>,
"scott.benesh@microsemi.com" <scott.benesh@microsemi.com>,
"don.brace@microsemi.com" <don.brace@microsemi.com>,
"bader.alisaleh@microsemi.com" <bader.alisaleh@microsemi.com>,
"Kevin.Barnett@microsemi.com" <Kevin.Barnett@microsemi.com>,
"joseph.szczypek@hpe.com" <joseph.szczypek@hpe.com>,
"scott.teel@microsemi.com" <scott.teel@microsemi.com>,
"jejb@linux.vnet.ibm.com" <jejb@linux.vnet.ibm.com>,
"Justin.Lindley@microsemi.com" <Justin.Lindley@microsemi.com>,
"john.hall@microsemi.com" <john.hall@microsemi.com>
Cc: "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH] sd: preserve sysfs updates to max_sectors_kb
Date: Fri, 18 Aug 2017 21:05:54 +0000 [thread overview]
Message-ID: <1503090353.2622.15.camel@wdc.com> (raw)
In-Reply-To: <150309002518.8999.15900049133748830764.stgit@brunhilda>
On Fri, 2017-08-18 at 16:00 -0500, Don Brace wrote:
> prevent systemd-udevd from changing a device's sysfs entry
> max_sectors_kb back to the default value.
> - max_sectors_kb can be tweaked for better performance.
> - udev can be triggered by sg_logs -t or scsi_temperature, ...
> - sd_revalidate_disk is called from udev by ioctl BLKRRPART
Hello Don,
Which udev rule changes max_sectors_kb back to the default? Why do you want
to change the kernel code instead of modifying that udev rule? What software
changes max_sectors_kb to a smaller value? Is it a udev rule or perhaps
something else?
Thanks,
Bart.
next prev parent reply other threads:[~2017-08-18 21:06 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-18 21:00 [PATCH] sd: preserve sysfs updates to max_sectors_kb Don Brace
2017-08-18 21:05 ` Bart Van Assche [this message]
2017-08-18 21:29 ` Don Brace
2017-08-18 21:46 ` Bart Van Assche
2017-08-21 19:12 ` Don Brace
2017-08-21 19:53 ` Bart Van Assche
2017-08-21 20:14 ` Don Brace
2017-08-29 17:41 ` Don Brace
2017-08-29 17:42 ` Don Brace
2017-08-29 18:13 ` Bart Van Assche
2017-08-29 18:36 ` Don Brace
2017-08-29 19:41 ` Don Brace
2017-08-29 22:25 ` Bart Van Assche
2017-08-29 22:32 ` Don Brace
2017-08-29 23:00 ` Bart Van Assche
2017-08-30 1:24 ` Martin K. Petersen
2017-09-09 10:32 ` Martin Wilck
2017-09-28 1:37 ` Martin K. Petersen
2017-09-28 1:38 ` [PATCH] scsi: sd: Do not override max_sectors_kb sysfs setting Martin K. Petersen
2017-09-29 12:26 ` Martin Wilck
2017-09-29 13:46 ` Don Brace
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