LU-11621 utils: optimize lhsmtool_posix with copy_file_range()

[fs/lustre-release.git] / lustre / autoconf / lustre-core.m4

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index 4eec916..04de101 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -56,6 +56,16 @@ AC_CHECK_FUNCS([name_to_handle_at],
 ]) # LC_GLIBC_SUPPORT_FHANDLES
 
 #
+# LC_GLIBC_SUPPORT_COPY_FILE_RANGE
+#
+AC_DEFUN([LC_GLIBC_SUPPORT_COPY_FILE_RANGE], [
+AC_CHECK_FUNCS([copy_file_range],
+       [AC_DEFINE(HAVE_COPY_FILE_RANGE, 1,
+               [copy_file_range() is supported])],
+       [AC_MSG_WARN([copy_file_range() is not supported])])
+]) # LC_GLIBC_SUPPORT_COPY_FILE_RANGE
+
+#
 # LC_STACK_SIZE
 #
 # Ensure the stack size is at least 8k in Lustre server (all kernels)
@@ -2239,6 +2249,7 @@ AC_DEFUN([LC_PROG_LINUX], [
        LC_CONFIG_GSS
 
        LC_GLIBC_SUPPORT_FHANDLES
+       LC_GLIBC_SUPPORT_COPY_FILE_RANGE
        LC_OPENSSL_SSK
        LC_OPENSSL_GETSEPOL