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| author | Mark Fasheh <mfasheh@suse.com> | 2008-11-18 17:15:24 -0800 |
|---|---|---|
| committer | Mark Fasheh <mfasheh@suse.com> | 2009-01-05 08:40:24 -0800 |
| commit | e97fcd95a4778a8caf1980c6c72fdf68185a0838 (patch) | |
| tree | 795c007ed03c091c860df8b03986fbe444f51530 /include/linux/jbd2.h | |
| parent | 19ece546a418997226bd91552fbc41abcb05cea6 (diff) | |
| download | lwn-e97fcd95a4778a8caf1980c6c72fdf68185a0838.tar.gz lwn-e97fcd95a4778a8caf1980c6c72fdf68185a0838.zip | |
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>
Diffstat (limited to 'include/linux/jbd2.h')
| -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 c7d106ef22e2..f36645745489 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) |