1 files changed, 0 insertions, 41 deletions
diff --git a/lib/libspl/include/sys/uio.h b/lib/libspl/include/sys/uio.h
index 3a834b996add..1d56b5b18baf 100644
--- a/lib/libspl/include/sys/uio.h
+++ b/lib/libspl/include/sys/uio.h
@@ -59,7 +59,6 @@ typedef enum uio_rw {
 typedef enum uio_seg {
 	UIO_USERSPACE =	0,
 	UIO_SYSSPACE =	1,
-	UIO_USERISPACE = 2,
 } uio_seg_t;
 
 #elif defined(__FreeBSD__)
@@ -73,49 +72,9 @@ typedef struct uio {
 	uio_seg_t	uio_segflg;	/* address space (kernel or user) */
 	uint16_t	uio_fmode;	/* file mode flags */
 	uint16_t	uio_extflg;	/* extended flags */
-	offset_t	uio_limit;	/* u-limit (maximum byte offset) */
 	ssize_t		uio_resid;	/* residual count */
 } uio_t;
 
-typedef enum xuio_type {
-	UIOTYPE_ASYNCIO,
-	UIOTYPE_ZEROCOPY,
-} xuio_type_t;
-
-#define	UIOA_IOV_MAX	16
-
-typedef struct uioa_page_s {		/* locked uio_iov state */
-	int	uioa_pfncnt;		/* count of pfn_t(s) in *uioa_ppp */
-	void	**uioa_ppp;		/* page_t or pfn_t array */
-	caddr_t	uioa_base;		/* address base */
-	size_t	uioa_len;		/* span length */
-} uioa_page_t;
-
-typedef struct xuio {
-	uio_t xu_uio;				/* embedded UIO structure */
-
-	/* Extended uio fields */
-	enum xuio_type xu_type;			/* uio type */
-	union {
-		struct {
-			uint32_t xu_a_state;	/* state of async i/o */
-			ssize_t xu_a_mbytes;	/* bytes moved */
-			uioa_page_t *xu_a_lcur;	/* uioa_locked[] pointer */
-			void **xu_a_lppp;	/* lcur->uioa_pppp[] pointer */
-			void *xu_a_hwst[4];	/* opaque hardware state */
-			uioa_page_t xu_a_locked[UIOA_IOV_MAX];
-		} xu_aio;
-
-		struct {
-			int xu_zc_rw;		/* read or write buffer */
-			void *xu_zc_priv;	/* fs specific */
-		} xu_zc;
-	} xu_ext;
-} xuio_t;
-
-#define	XUIO_XUZC_PRIV(xuio)	xuio->xu_ext.xu_zc.xu_zc_priv
-#define	XUIO_XUZC_RW(xuio)	xuio->xu_ext.xu_zc.xu_zc_rw
-
 #define	uio_segflg(uio)			(uio)->uio_segflg
 #define	uio_offset(uio)			(uio)->uio_loffset
 #define	uio_resid(uio)			(uio)->uio_resid