diff options
| author | Martin K. Petersen <martin.petersen@oracle.com> | 2012-01-11 16:29:31 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2012-01-11 16:29:31 +0100 |
| commit | ef00f59c95fe6e002e7c6e3663cdea65e253f4cc (patch) | |
| tree | 8e84273162b7a743767098cc08b6c6eb2b041281 /include/linux/fs.h | |
| parent | b1bd055d397e09f99dcef9b138ed104ff1812fcb (diff) | |
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>
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 1 |
1 files changed, 1 insertions, 0 deletions
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 */ |