vos: desupport -stayonline

[openafs.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index f82248c..959e3c5 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -966,6 +966,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
 
                 dnl Function existence checks
 
+                AC_CHECK_LINUX_FUNC([__vfs_read],
+                                    [#include <linux/fs.h>],
+                                    [__vfs_read(NULL, NULL, 0, NULL);])
                  AC_CHECK_LINUX_FUNC([bdi_init],
                                     [#include <linux/backing-dev.h>],
                                     [bdi_init(NULL);])