Commit e97fcd95 authored Nov 18, 2008 by Mark Fasheh

jbd2: Add BH_JBDPrivateStart



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.

Acked-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>

parent 19ece546

include/linux/jbd2.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -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)