diff options
Diffstat (limited to 'include/blkdev.h')
| -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 0eea01cd8..2179c6ed8 100644 --- a/include/blkdev.h +++ b/include/blkdev.h @@ -33,6 +33,7 @@ #endif /* BLKROSET && __linux__ */ + #ifdef APPLE_DARWIN #define BLKGETSIZE DKIOCGETBLOCKCOUNT32 #endif @@ -45,6 +46,11 @@ #define BLKPBSZGET _IO(0x12,123) #endif +/* discard zeroes support, introduced in 2.6.33 (commait 98262f27) */ +#ifndef BLKDISCARDZEROES +#define BLKDISCARDZEROES _IO(0x12,124) +#endif + #ifndef FIFREEZE #define FIFREEZE _IOWR('X', 119, int) /* Freeze */ #define FITHAW _IOWR('X', 120, int) /* Thaw */ |