xref: /linux/include/linux/falloc.h (revision ab520be8cd5d56867fc95cfbc34b90880faf1f9d)
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_ */
32