falloc.h

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#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)

#endif /* _FALLOC_H_ */