diff options
| author | Karel Zak <kzak@redhat.com> | 2009-10-15 01:22:42 +0200 |
|---|---|---|
| committer | Karel Zak <kzak@redhat.com> | 2009-10-15 01:22:42 +0200 |
| commit | d965d63f6414b27c04acee860cc5357887b2e788 (patch) | |
| tree | 6f3bc532062fb1abcb5cbb2fa36edf2fb628dfce /include | |
| parent | 726fa24e73661855ad772ca7365c15fc38cb2084 (diff) | |
| download | util-linux-old-d965d63f6414b27c04acee860cc5357887b2e788.tar.gz | |
blockdev: add topology ioctls support
new options:
--getpbsz get physical block (sector) size
--getiomin get minimum I/O size
--getioopt get optimal I/O size
--getalignoff get alignment offset
--getmaxsect get max sectors per request
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/blkdev.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/blkdev.h b/include/blkdev.h index 9d9453bc..57ef40d4 100644 --- a/include/blkdev.h +++ b/include/blkdev.h @@ -34,6 +34,12 @@ #define BLKBSZSET _IOW(0x12,113,size_t) #define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size in bytes (u64 *arg) */ +/* block device topology ioctls, introduced in 2.6.32 */ +#define BLKIOMIN _IO(0x1,120) +#define BLKIOOPT _IO(0x12,121) +#define BLKALIGNOFF _IO(0x12,122) +#define BLKPBSZGET _IO(0x12,123) + #endif /* BLKROSET */ #ifndef HDIO_GETGEO |