diff mbox

jbd2: Add BH_JBDPrivateStart

Message ID 20081119014536.GI8378@wotan.suse.de
State Not Applicable, archived
Headers show

Commit Message

Mark Fasheh Nov. 19, 2008, 1:45 a.m. UTC
Add this so that file systems using JBD2 can safely allocate unused b_state
bits.

In this case, we add it so that Ocfs2 can define a single bit for tracking
the validation state of a buffer.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
---
 include/linux/jbd2.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
diff mbox

Patch

diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index c7d106e..f366457 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -329,6 +329,7 @@  enum jbd_state_bits {
 	BH_State,		/* Pins most journal_head state */
 	BH_JournalHead,		/* Pins bh->b_private and jh->b_bh */
 	BH_Unshadow,		/* Dummy bit, for BJ_Shadow wakeup filtering */
+	BH_JBDPrivateStart,	/* First bit available for private use by FS */
 };
 
 BUFFER_FNS(JBD, jbd)