X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=block%2Fcompat_ioctl.c;h=7c668c8a6f953e1b6c298c9fc8af400924d7368a;hb=da4aa36d0140ca8ef1e67df3e829b9085d369dca;hp=7b725020823c82243418c7d0105b9f6d23260589;hpb=d4bbf7e7759afc172e2bfbc5c416324590049cdd;p=karo-tx-linux.git

diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
index 7b725020823c..7c668c8a6f95 100644
--- a/block/compat_ioctl.c
+++ b/block/compat_ioctl.c
@@ -719,6 +719,9 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 	case BLKSECTGET:
 		return compat_put_ushort(arg,
 					 queue_max_sectors(bdev_get_queue(bdev)));
+	case BLKROTATIONAL:
+		return compat_put_ushort(arg,
+					 !blk_queue_nonrot(bdev_get_queue(bdev)));
 	case BLKRASET: /* compatible, but no compat_ptr (!) */
 	case BLKFRASET:
 		if (!capable(CAP_SYS_ADMIN))