[PATCH 3/4] elevator: update the document of elevator_match

[Jinlong Chen]

elevator_match does not care about elevator_features any more. Remove
related descriptions from its document.

Fixes: ffb86425ee2c ("block: don't check for required features in elevator_match")
Signed-off-by: Jinlong Chen <nickyc975@xxxxxxxxxx>
---
 block/elevator.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/block/elevator.c b/block/elevator.c
index 1fa45717b1d6..5287b39cd7a9 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -91,12 +91,11 @@ static inline bool elv_support_features(struct request_queue *q,
 }
 
 /**
- * elevator_match - Test an elevator name and features
+ * elevator_match - Check whether @e's name or alias matches @name
  * @e: Scheduler to test
  * @name: Elevator name to test
  *
- * Return true if the elevator @e name matches @name and if @e provides all
- * the features specified by @required_features.
+ * Return true if the elevator @e's name or alias matches @name.
  */
 static bool elevator_match(const struct elevator_type *e, const char *name)
 {
-- 
2.34.1