include/linux/falloc.h

   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  */
  12 struct 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_ */