include/linux/falloc.h

   1 #ifndef _FALLOC_H_
   2 #define _FALLOC_H_
   3
   4 #include <uapi/linux/falloc.h>
   5
   6
   7 /*
   8  * Space reservation ioctls and argument structure
   9  * are designed to be compatible with the legacy XFS ioctls.
  10  */
  11 struct space_resv {
  12         __s16           l_type;
  13         __s16           l_whence;
  14         __s64           l_start;
  15         __s64           l_len;          /* len == 0 means until end of file */
  16         __s32           l_sysid;
  17         __u32           l_pid;
  18         __s32           l_pad[4];       /* reserved area */
  19 };
  20
  21 #define FS_IOC_RESVSP           _IOW('X', 40, struct space_resv)
  22 #define FS_IOC_RESVSP64         _IOW('X', 42, struct space_resv)
  23
  24 #define FALLOC_FL_SUPPORTED_MASK        (FALLOC_FL_KEEP_SIZE |          \
  25                                          FALLOC_FL_PUNCH_HOLE |         \
  26                                          FALLOC_FL_COLLAPSE_RANGE |     \
  27                                          FALLOC_FL_ZERO_RANGE |         \
  28                                          FALLOC_FL_INSERT_RANGE |       \
  29                                          FALLOC_FL_UNSHARE_RANGE)
  30
  31 #endif /* _FALLOC_H_ */