From: Martin K. Petersen <martin.petersen@oracle.com>
Date: Wed, 11 Jan 2012 15:29:31 +0000 (+0100)
Subject: block: Add BLKROTATIONAL ioctl
X-Git-Tag: v3.3-rc1~50^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ef00f59c95fe6e002e7c6e3663cdea65e253f4cc;p=pandora-kernel.git

block: Add BLKROTATIONAL ioctl

Introduce an ioctl which permits applications to query whether a block
device is rotational.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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