md: improve variable names in md_flush_request()

This patch improves readability by using better variable names
in flush request coalescing logic.

Signed-off-by: Pankaj Gupta <pankaj.gupta@cloud.ionos.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Song Liu <songliubraving@fb.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/md/md.h b/drivers/md/md.h
index ccfb69868c2e..2292c847f9dd 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -495,9 +495,9 @@ struct mddev {
 	 */
 	struct bio *flush_bio;
 	atomic_t flush_pending;
-	ktime_t start_flush, last_flush; /* last_flush is when the last completed
-					  * flush was started.
-					  */
+	ktime_t start_flush, prev_flush_start; /* prev_flush_start is when the previous completed
+						* flush was started.
+						*/
 	struct work_struct flush_work;
 	struct work_struct event_work;	/* used by dm to report failure event */
 	mempool_t *serial_info_pool;