From: Mark Fasheh <mfasheh@suse.com>
Date: Wed, 19 Nov 2008 01:16:47 +0000 (-0800)
Subject: ocfs2: Use BH_JBDPrivateStart instead of BH_Unshadow
X-Git-Tag: v2.6.29-rc1~505^2~65
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=b86c86fa1feb50221dc16071ae5b8a4acf3bd32c;p=~shefty%2Frdma-dev.git

ocfs2: Use BH_JBDPrivateStart instead of BH_Unshadow

This is safer. We no longer have to worry about tracking changes to
jbd_state_bits.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
---

diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c
index 0e9eed0c223..15c8e6deee2 100644
--- a/fs/ocfs2/buffer_head_io.c
+++ b/fs/ocfs2/buffer_head_io.c
@@ -42,11 +42,10 @@
 /*
  * Bits on bh->b_state used by ocfs2.
  *
- * These MUST be after the JBD2 bits.  Currently BH_Unshadow is the last
- * JBD2 bit.
+ * These MUST be after the JBD2 bits.  Hence, we use BH_JBDPrivateStart.
  */
 enum ocfs2_state_bits {
-	BH_NeedsValidate = BH_Unshadow + 1,
+	BH_NeedsValidate = BH_JBDPrivateStart,
 };
 
 /* Expand the magic b_state functions */