jbd2: Add BH_JBDPrivateStart
PATCH 1/1 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.
Signed-off-by Mark Fasheh <[email protected]>
--- include/linux/jbd2.h | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)
include/linux/jbd2.h +1 -0
@@ -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)
Signature · 1 line
1.5.4.1