From ef00f59c95fe6e002e7c6e3663cdea65e253f4cc Mon Sep 17 00:00:00 2001 From: "Martin K. Petersen" Date: Wed, 11 Jan 2012 16:29:31 +0100 Subject: block: Add BLKROTATIONAL ioctl Introduce an ioctl which permits applications to query whether a block device is rotational. Signed-off-by: Martin K. Petersen Signed-off-by: Jens Axboe --- include/linux/fs.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux/fs.h') diff --git a/include/linux/fs.h b/include/linux/fs.h index e0bc4ffb8e7..95dd911506f 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -319,6 +319,7 @@ struct inodes_stat_t { #define BLKPBSZGET _IO(0x12,123) #define BLKDISCARDZEROES _IO(0x12,124) #define BLKSECDISCARD _IO(0x12,125) +#define BLKROTATIONAL _IO(0x12,126) #define BMAP_IOCTL 1 /* obsolete - kept for compatibility */ #define FIBMAP _IO(0x00,1) /* bmap access */ -- cgit v1.2.3-70-g09d2