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