From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Arun <engineerarun@gmail.com>
Cc: NamJae Jeon <linkinjeon@gmail.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Mark Knecht <markknecht@gmail.com>,
Joshua Scoggins <theoretically.x64@gmail.com>,
Mike Snitzer <snitzer@gmail.com>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
linux-kernel@vger.kernel.org
Subject: Re: Detection of Advanced Format drives
Date: Thu, 16 Feb 2012 14:14:19 -0500 [thread overview]
Message-ID: <yq1pqdea8vo.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <CANLaLhagmNFFrNxC88cyPqsx_j+-Y-WaAUCQpkR57z264Bn6Vw@mail.gmail.com> (Arun's message of "Fri, 17 Feb 2012 00:36:08 +0530")
>>>>> "Arun" == Arun <engineerarun@gmail.com> writes:
Arun> [...] couldn't find any direct way of detecting an SSD drive like
Arun> an ioctl.
Arun> Is there any such direct way of detecting SSD drives yet? I am
Arun> working on kernel version 2.6.32-19.
You can check /sys/block/foo/queue/rotational.
The matching BLKROTATIONAL ioctl didn't go in until very recently.
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2012-02-16 19:14 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-26 9:55 Detection of Advanced Format drives Arun
2011-09-26 10:15 ` Alan Cox
2011-09-26 19:48 ` Joshua Scoggins
2011-09-26 20:09 ` Mike Snitzer
2011-09-27 17:59 ` Joshua Scoggins
2011-09-27 18:36 ` Arun
2011-09-27 18:59 ` Martin K. Petersen
2011-09-27 19:18 ` Arun
2011-09-27 20:10 ` Mark Knecht
2011-09-27 21:12 ` Arun
2011-09-27 21:44 ` Martin K. Petersen
2011-09-28 1:23 ` NamJae Jeon
[not found] ` <CANLaLhagmNFFrNxC88cyPqsx_j+-Y-WaAUCQpkR57z264Bn6Vw@mail.gmail.com>
2012-02-16 19:14 ` Martin K. Petersen [this message]
2011-09-26 21:01 ` Martin K. Petersen
2011-09-26 21:03 ` Martin K. Petersen
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