| #ifndef _FALLOC_H_ | 
 | #define _FALLOC_H_ | 
 |  | 
 | #include <uapi/linux/falloc.h> | 
 |  | 
 |  | 
 | /* | 
 |  * 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) | 
 |  | 
 | #define	FALLOC_FL_SUPPORTED_MASK	(FALLOC_FL_KEEP_SIZE |		\ | 
 | 					 FALLOC_FL_PUNCH_HOLE |		\ | 
 | 					 FALLOC_FL_COLLAPSE_RANGE |	\ | 
 | 					 FALLOC_FL_ZERO_RANGE |		\ | 
 | 					 FALLOC_FL_INSERT_RANGE |	\ | 
 | 					 FALLOC_FL_UNSHARE_RANGE) | 
 |  | 
 | #endif /* _FALLOC_H_ */ |