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-rw-r--r--config/kernel-dirty-inode.m429
1 files changed, 29 insertions, 0 deletions
diff --git a/config/kernel-dirty-inode.m4 b/config/kernel-dirty-inode.m4
new file mode 100644
index 000000000000..dc7667fa4881
--- /dev/null
+++ b/config/kernel-dirty-inode.m4
@@ -0,0 +1,29 @@
+dnl #
+dnl # 3.0 API change
+dnl # The sops->dirty_inode() callbacks were updated to take a flags
+dnl # argument. This allows the greater control over whether the
+dnl # filesystem needs to push out a transaction or not.
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_SRC_DIRTY_INODE], [
+ ZFS_LINUX_TEST_SRC([dirty_inode_with_flags], [
+ #include <linux/fs.h>
+
+ void dirty_inode(struct inode *a, int b) { return; }
+
+ static const struct super_operations
+ sops __attribute__ ((unused)) = {
+ .dirty_inode = dirty_inode,
+ };
+ ],[])
+])
+
+AC_DEFUN([ZFS_AC_KERNEL_DIRTY_INODE], [
+ AC_MSG_CHECKING([whether sops->dirty_inode() wants flags])
+ ZFS_LINUX_TEST_RESULT([dirty_inode_with_flags], [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_DIRTY_INODE_WITH_FLAGS, 1,
+ [sops->dirty_inode() wants flags])
+ ],[
+ AC_MSG_RESULT([no])
+ ])
+])