root/include/linux/falloc.h

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INCLUDED FROM

#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_ */
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