diff options
| author | Mark Fasheh <mfasheh@suse.com> | 2009-02-17 10:58:35 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-02-20 14:37:11 -0800 |
| commit | 81126650453afa545ce947f5cedbdde1ec78d837 (patch) | |
| tree | 6144ab1adc7bde4ecaf37211db8dac92f7302c7b /include | |
| parent | 783a21ed8a1cc3c64484438c20bbed0f1cca2682 (diff) | |
jbd2: Add BH_JBDPrivateStart
(cherry picked from commit e97fcd95a4778a8caf1980c6c72fdf68185a0838)
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/jbd2.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index 66c3499478b5..e8e9133808ca 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) |