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authorJan Kara <jack@suse.cz>2011-05-24 11:59:18 -0400
committerTheodore Ts'o <tytso@mit.edu>2011-05-24 11:59:18 -0400
commitbbd2be36910728f485ac78ea36e0f4f5a38e691e (patch)
tree6a45da5a6ef8bafe9614de5fac68cce1fe4e13ec /include/linux/jbd2.h
parent81be12c8179c1c397d3f179cdd9b3f7146cf47f1 (diff)
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.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 4d57955061f..4ecb7b16b27 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 *);