diff options
Diffstat (limited to 'block/ioctl.c')
| -rw-r--r-- | block/ioctl.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/block/ioctl.c b/block/ioctl.c index d510c2a4eff8..ba15b2dbfb98 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -5,7 +5,7 @@ #include <linux/blkpg.h> #include <linux/hdreg.h> #include <linux/backing-dev.h> -#include <linux/buffer_head.h> +#include <linux/fs.h> #include <linux/blktrace_api.h> #include <asm/uaccess.h> @@ -296,6 +296,8 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, return put_uint(arg, bdev_discard_zeroes_data(bdev)); case BLKSECTGET: return put_ushort(arg, queue_max_sectors(bdev_get_queue(bdev))); + case BLKROTATIONAL: + return put_ushort(arg, !blk_queue_nonrot(bdev_get_queue(bdev))); case BLKRASET: case BLKFRASET: if(!capable(CAP_SYS_ADMIN)) |