[PATCH 13/14] block: document the blk_eh_timer_return values

[Christoph Hellwig <hch@xxxxxx>]

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
---
 include/linux/blkdev.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index d838a89639f2..9f06b29adaa4 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -326,8 +326,8 @@ typedef int (init_rq_fn)(struct request_queue *, struct request *, gfp_t);
 typedef void (exit_rq_fn)(struct request_queue *, struct request *);
 
 enum blk_eh_timer_return {
-	BLK_EH_DONE,
-	BLK_EH_RESET_TIMER,
+	BLK_EH_DONE,		/* drivers has completed the command */
+	BLK_EH_RESET_TIMER,	/* reset timer and try again */
 };
 
 typedef enum blk_eh_timer_return (rq_timed_out_fn)(struct request *);
-- 
2.17.0