*/
unsigned long t_expires;
+ /*
+ * When this transaction started, in nanoseconds [no locking]
+ */
+ ktime_t t_start_time;
+
/*
* How many handles used this transaction? [t_handle_lock]
*/
struct buffer_head **j_wbuf;
int j_wbufsize;
+ /*
+ * this is the pid of the last person to run a synchronous operation
+ * through the journal.
+ */
pid_t j_last_sync_writer;
+ /*
+ * the average amount of time in nanoseconds it takes to commit a
+ * transaction to the disk. [j_state_lock]
+ */
+ u64 j_average_commit_time;
+
/*
* An opaque pointer to fs-private information. ext3 puts its
* superblock pointer here