[XFS] Export via a function xfs_buftarg_list for use by kdb/xfsidbg.

SGI-PV: 963465
SGI-Modid: xfs-linux-melb:xfs-kern:28414a

Signed-off-by: Tim Shimmin <tes@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index 69e9e80735d2..fe4f66a5af14 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -1426,7 +1426,7 @@ xfs_free_bufhash(
 /*
  *      buftarg list for delwrite queue processing
  */
-LIST_HEAD(xfs_buftarg_list);
+static LIST_HEAD(xfs_buftarg_list);
 static DEFINE_SPINLOCK(xfs_buftarg_lock);
 
 STATIC void
@@ -1867,3 +1867,11 @@ xfs_buf_terminate(void)
         ktrace_free(xfs_buf_trace_buf);
 #endif
 }
+
+#ifdef CONFIG_KDB_MODULES
+struct list_head *
+xfs_get_buftarg_list(void)
+{
+        return &xfs_buftarg_list;
+}
+#endif