UBUNTU: SAUCE: (noup) Update spl to 0.6.5.9-1, zfs to 0.6.5.9-2

[mirror_ubuntu-artful-kernel.git] / zfs / config / kernel-check-disk-size-change.m4

diff --git a/zfs/config/kernel-check-disk-size-change.m4 b/zfs/config/kernel-check-disk-size-change.m4
new file mode 100644 (file)
index 0000000..ea5c75f
--- /dev/null
+++ b/zfs/config/kernel-check-disk-size-change.m4
@@ -0,0 +1,18 @@
+dnl #
+dnl # 2.6.28 API change
+dnl # Added check_disk_size_change() helper function.
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_CHECK_DISK_SIZE_CHANGE],
+       [AC_MSG_CHECKING([whether check_disk_size_change() is available])
+       ZFS_LINUX_TRY_COMPILE_SYMBOL([
+               #include <linux/fs.h>
+       ], [
+               check_disk_size_change(NULL, NULL);
+       ], [check_disk_size_change], [fs/block_dev.c], [
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_CHECK_DISK_SIZE_CHANGE, 1,
+                         [check_disk_size_change() is available])
+       ], [
+               AC_MSG_RESULT(no)
+       ])
+])