LU-17081 build: compatibility for 6.5 kernels

[fs/lustre-release.git] / libcfs / include / libcfs / linux / linux-misc.h

diff --git a/libcfs/include/libcfs/linux/linux-misc.h b/libcfs/include/libcfs/linux/linux-misc.h
index 9e4c787..5936c78 100644 (file)
--- a/libcfs/include/libcfs/linux/linux-misc.h
+++ b/libcfs/include/libcfs/linux/linux-misc.h
@@ -48,7 +48,11 @@
  * iter_is_iovec() and iov_iter_is_* are available, supply the missing
  * functionality for older kernels.
  */
-#ifndef HAVE_IOV_ITER_TYPE
+#ifdef HAVE_IOV_ITER_TYPE
+#ifndef HAVE_ENUM_ITER_PIPE
+#define iov_iter_is_pipe(iter) 0
+#endif
+#else
 /*
  * Since 3.15-rc4 commit 71d8e532b1549a478e6a6a8a44f309d050294d00
  * The iov iterator has a type and can iterate over numerous vector types.
@@ -58,7 +62,11 @@
 #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)
+#if defined HAVE_ENUM_ITER_PIPE
 #define iov_iter_is_pipe(iter)         ((iter)->type & ITER_PIPE)
+#else
+#define iov_iter_is_pipe(iter)         0
+#endif
 #define iov_iter_is_discard(iter)      ((iter)->type & ITER_DISCARD)
 #else
 #define iter_is_iovec(iter)            1