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-rw-r--r--include/linux/jbd.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index 6384b19..64246dc 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -614,6 +614,8 @@ struct transaction_s
* @j_wbufsize: maximum number of buffer_heads allowed in j_wbuf, the
* number that will fit in j_blocksize
* @j_last_sync_writer: most recent pid which did a synchronous write
+ * @j_average_commit_time: the average amount of time in nanoseconds it
+ * takes to commit a transaction to the disk.
* @j_private: An opaque pointer to fs-private information.
*/
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