xfs_fsop_handlereq
#define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq)
#define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq)
#define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq)
#define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq)
#define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq)
struct xfs_fsop_handlereq hreq; /* handle interface structure */
struct xfs_fsop_handlereq hreq; /* handle interface structure */
int xfs_find_handle(unsigned int cmd, struct xfs_fsop_handlereq *hreq);
int xfs_open_by_handle(struct file *parfilp, struct xfs_fsop_handlereq *hreq);
struct xfs_fsop_handlereq *hreq);
struct xfs_fsop_handlereq hreq;
cmd = _NATIVE_IOC(cmd, struct xfs_fsop_handlereq);
struct xfs_fsop_handlereq hreq;
struct xfs_fsop_handlereq hreq;