mm: export dirty_writeback_interval
authorArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
Thu, 22 Mar 2012 02:33:00 +0000 (22:33 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Thu, 22 Mar 2012 02:33:00 +0000 (22:33 -0400)
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>
mm/page-writeback.c

index 363ba7082ef59efab5e90d94184cbf593aeff7ea..5e39858880f30a892a7a3a637768965c4759081c 100644 (file)
@@ -95,6 +95,8 @@ unsigned long vm_dirty_bytes;
  */
 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
  */