mm: export dirty_writeback_interval
Export 'dirty_writeback_interval' to make it visible to
file-systems. We are going to push superblock management down to
file-systems and get rid of the 'sync_supers' kernel thread completly.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 363ba70..5e39858 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -95,6 +95,8 @@
*/
unsigned int dirty_writeback_interval = 5 * 100; /* centiseconds */
+EXPORT_SYMBOL_GPL(dirty_writeback_interval);
+
/*
* The longest time for which data is allowed to remain dirty
*/