1 #ifndef _FALLOC_H_ 2 #define _FALLOC_H_ 3 4 #define FALLOC_FL_KEEP_SIZE 0x01 /* default is extend size */ 5 #define FALLOC_FL_PUNCH_HOLE 0x02 /* de-allocates range */ 6 #define FALLOC_FL_NO_HIDE_STALE 0x04 /* reserved codepoint */ 7 8 #ifdef __KERNEL__ 9 10 /* 11 * Space reservation ioctls and argument structure 12 * are designed to be compatible with the legacy XFS ioctls. 13 */ 14 struct space_resv { 15 __s16 l_type; 16 __s16 l_whence; 17 __s64 l_start; 18 __s64 l_len; /* len == 0 means until end of file */ 19 __s32 l_sysid; 20 __u32 l_pid; 21 __s32 l_pad[4]; /* reserved area */ 22 }; 23 24 #define FS_IOC_RESVSP _IOW('X', 40, struct space_resv) 25 #define FS_IOC_RESVSP64 _IOW('X', 42, struct space_resv) 26 27 #endif /* __KERNEL__ */ 28 29 #endif /* _FALLOC_H_ */ 30