libspl: move vattr and xvattr definitions from zfs_context.h

Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #17861

lib/libspl/include/sys/vnode.h

@@ -25,7 +25,36 @@
  * Use is subject to license terms.
  */
 
-#ifndef _LIBSPL_SYS_VNODE_H
-#define	_LIBSPL_SYS_VNODE_H
+#ifndef _SYS_VNODE_H
+#define	_SYS_VNODE_H
 
-#endif /* _LIBSPL_SYS_VNODE_H */
+typedef struct vattr {
+	uint_t		va_mask;	/* bit-mask of attributes */
+	u_offset_t	va_size;	/* file size in bytes */
+} vattr_t;
+
+#define	AT_MODE		0x00002
+#define	AT_UID		0x00004
+#define	AT_GID		0x00008
+#define	AT_FSID		0x00010
+#define	AT_NODEID	0x00020
+#define	AT_NLINK	0x00040
+#define	AT_SIZE		0x00080
+#define	AT_ATIME	0x00100
+#define	AT_MTIME	0x00200
+#define	AT_CTIME	0x00400
+#define	AT_RDEV		0x00800
+#define	AT_BLKSIZE	0x01000
+#define	AT_NBLOCKS	0x02000
+#define	AT_SEQ		0x08000
+#define	AT_XVATTR	0x10000
+
+#define	ATTR_XVATTR	AT_XVATTR
+
+#define	CRCREAT		0
+
+#define	F_FREESP	11
+#define	FIGNORECASE	0x80000 /* request case-insensitive lookups */
+
+
+#endif /* _SYS_VNODE_H */