| #ifndef _FALLOC_H_ |
| #define _FALLOC_H_ |
| |
| #define FALLOC_FL_KEEP_SIZE 0x01 /* default is extend size */ |
| #define FALLOC_FL_PUNCH_HOLE 0x02 /* de-allocates range */ |
| |
| #ifdef __KERNEL__ |
| |
| /* |
| * Space reservation ioctls and argument structure |
| * are designed to be compatible with the legacy XFS ioctls. |
| */ |
| struct space_resv { |
| __s16 l_type; |
| __s16 l_whence; |
| __s64 l_start; |
| __s64 l_len; /* len == 0 means until end of file */ |
| __s32 l_sysid; |
| __u32 l_pid; |
| __s32 l_pad[4]; /* reserved area */ |
| }; |
| |
| #define FS_IOC_RESVSP _IOW('X', 40, struct space_resv) |
| #define FS_IOC_RESVSP64 _IOW('X', 42, struct space_resv) |
| |
| #endif /* __KERNEL__ */ |
| |
| #endif /* _FALLOC_H_ */ |
