New upstream version 0.7.9

[mirror_zfs-debian.git] / config / kernel-get-disk-and-module.m4

diff --git a/config/kernel-get-disk-and-module.m4 b/config/kernel-get-disk-and-module.m4
new file mode 100644 (file)
index 0000000..2a51a5a
--- /dev/null
+++ b/config/kernel-get-disk-and-module.m4
@@ -0,0 +1,19 @@
+dnl #
+dnl # 4.16 API change
+dnl # Verify if get_disk_and_module() symbol is available.
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_GET_DISK_AND_MODULE],
+       [AC_MSG_CHECKING([whether get_disk_and_module() is available])
+       ZFS_LINUX_TRY_COMPILE_SYMBOL([
+               #include <linux/genhd.h>
+       ], [
+               struct gendisk *disk = NULL;
+               (void) get_disk_and_module(disk);
+       ], [get_disk_and_module], [block/genhd.c], [
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_GET_DISK_AND_MODULE,
+                   1, [get_disk_and_module() is available])
+       ], [
+               AC_MSG_RESULT(no)
+       ])
+])