Release 4.12 include/linux/falloc.h

#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_ */
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Directory: include/linux

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