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| author | Jan Kara <jack@suse.cz> | 2011-05-24 11:59:18 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2011-05-24 11:59:18 -0400 |
| commit | bbd2be36910728f485ac78ea36e0f4f5a38e691e (patch) | |
| tree | 6a45da5a6ef8bafe9614de5fac68cce1fe4e13ec /include/linux/jbd2.h | |
| parent | 81be12c8179c1c397d3f179cdd9b3f7146cf47f1 (diff) | |
| download | op-kernel-dev-bbd2be36910728f485ac78ea36e0f4f5a38e691e.zip op-kernel-dev-bbd2be36910728f485ac78ea36e0f4f5a38e691e.tar.gz | |
jbd2: Add function jbd2_trans_will_send_data_barrier()
Provide a function which returns whether a transaction with given tid
will send a flush to the filesystem device. The function will be used
by ext4 to detect whether fsync needs to send a separate flush or not.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'include/linux/jbd2.h')
| -rw-r--r-- | include/linux/jbd2.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index 4d57955..4ecb7b1 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -529,9 +529,10 @@ struct transaction_s enum { T_RUNNING, T_LOCKED, - T_RUNDOWN, T_FLUSH, T_COMMIT, + T_COMMIT_DFLUSH, + T_COMMIT_JFLUSH, T_FINISHED } t_state; @@ -1230,6 +1231,7 @@ int jbd2_journal_start_commit(journal_t *journal, tid_t *tid); int jbd2_journal_force_commit_nested(journal_t *journal); int jbd2_log_wait_commit(journal_t *journal, tid_t tid); int jbd2_log_do_checkpoint(journal_t *journal); +int jbd2_trans_will_send_data_barrier(journal_t *journal, tid_t tid); void __jbd2_log_wait_for_space(journal_t *journal); extern void __jbd2_journal_drop_transaction(journal_t *, transaction_t *); |
