X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=libcfs%2Finclude%2Flibcfs%2Flinux%2Flinux-misc.h;h=bc3b5ee15d0ca85eaf692d71286076c5cc8b525e;hp=524bf40006b4a7da9346ee0107a9d9e8cb5b0e45;hb=d93aa0171a25f8ffca51bed35a2d477a45fda0f3;hpb=9b8e8e0e54e5055c02469cb16d186c94fa2040e0

diff --git a/libcfs/include/libcfs/linux/linux-misc.h b/libcfs/include/libcfs/linux/linux-misc.h
index 524bf40..bc3b5ee 100644
--- a/libcfs/include/libcfs/linux/linux-misc.h
+++ b/libcfs/include/libcfs/linux/linux-misc.h
@@ -36,6 +36,7 @@
 #include <linux/fs.h>
 #include <linux/mutex.h>
 #include <linux/user_namespace.h>
+#include <linux/uio.h>
 
 #ifdef HAVE_SYSCTL_CTLNAME
 #define INIT_CTL_NAME	.ctl_name = CTL_UNNUMBERED,
@@ -45,6 +46,22 @@
 #define INIT_STRATEGY
 #endif
 
+#ifndef HAVE_IOV_ITER_TYPE
+#ifdef HAVE_IOV_ITER_HAS_TYPE_MEMBER
+#define iter_is_iovec(iter)		((iter)->type & ITER_IOVEC)
+#define iov_iter_is_kvec(iter)		((iter)->type & ITER_KVEC)
+#define iov_iter_is_bvec(iter)		((iter)->type & ITER_BVEC)
+#define iov_iter_is_pipe(iter)		((iter)->type & ITER_PIPE)
+#define iov_iter_is_discard(iter)	((iter)->type & ITER_DISCARD)
+#else
+#define iter_is_iovec(iter)		1
+#define iov_iter_is_kvec(iter)		0
+#define iov_iter_is_bvec(iter)		0
+#define iov_iter_is_pipe(iter)		0
+#define iov_iter_is_discard(iter)	0
+#endif
+#endif /* HAVE_IOV_ITER_TYPE */
+
 #ifndef HAVE_MODULE_PARAM_LOCKING
 static DEFINE_MUTEX(param_lock);
 #endif