[PATCH] block: Drop leftover references to RQF_SORTED

Commit a1ce35fa49852db60fc6e268038530be533c5b15 ("block: remove dead
elevator code") removed all users of RQF_SORTED. However it is still
defined, and there is one reference left to it (which in effect is
dead code). Clear it all up.

Signed-off-by: Jean Delvare <redacted>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Ming Lei <redacted>
Cc: Omar Sandoval <redacted>
Cc: Hannes Reinecke <hare@suse.com>
---
 block/blk-mq-debugfs.c |    1 -
 block/blk-mq-sched.c   |    3 ---
 include/linux/blkdev.h |    2 --
 3 files changed, 6 deletions(-)

--- linux-5.11.orig/block/blk-mq-sched.c	2021-02-14 23:32:24.000000000 +0100
+++ linux-5.11/block/blk-mq-sched.c	2021-03-01 11:06:49.629077653 +0100

@@ -408,9 +408,6 @@ static bool blk_mq_sched_bypass_insert(s
 	if ((rq->rq_flags & RQF_FLUSH_SEQ) || blk_rq_is_passthrough(rq))
 		return true;
 
-	if (has_sched)
-		rq->rq_flags |= RQF_SORTED;
-
 	return false;
 }

Commit a1ce35fa49852db60fc6e268038530be533c5b15 ("block: remove dead
elevator code") removed all users of RQF_SORTED. However it is still
defined, and there is one reference left to it (which in effect is
dead code). Clear it all up.

Signed-off-by: Jean Delvare <redacted>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Ming Lei <redacted>
Cc: Omar Sandoval <redacted>
Cc: Hannes Reinecke <hare@suse.com>
---
  block/blk-mq-debugfs.c |    1 -
  block/blk-mq-sched.c   |    3 ---
  include/linux/blkdev.h |    2 --
  3 files changed, 6 deletions(-)

--- linux-5.11.orig/block/blk-mq-sched.c	2021-02-14 23:32:24.000000000 +0100
+++ linux-5.11/block/blk-mq-sched.c	2021-03-01 11:06:49.629077653 +0100

@@ -408,9 +408,6 @@ static bool blk_mq_sched_bypass_insert(s
  	if ((rq->rq_flags & RQF_FLUSH_SEQ) || blk_rq_is_passthrough(rq))
  		return true;
  
-	if (has_sched)
-		rq->rq_flags |= RQF_SORTED;
-
  	return false;
  }
  
--- linux-5.11.orig/include/linux/blkdev.h	2021-02-14 23:32:24.000000000 +0100
+++ linux-5.11/include/linux/blkdev.h	2021-03-01 11:07:16.006408847 +0100

@@ -65,8 +65,6 @@ typedef void (rq_end_io_fn)(struct reque
   * request flags */
  typedef __u32 __bitwise req_flags_t;
  
-/* elevator knows about this request */
-#define RQF_SORTED		((__force req_flags_t)(1 << 0))
  /* drive already may have started this one */
  #define RQF_STARTED		((__force req_flags_t)(1 << 1))
  /* may not be passed by ioscheduler */
--- linux-5.11.orig/block/blk-mq-debugfs.c	2021-02-14 23:32:24.000000000 +0100
+++ linux-5.11/block/blk-mq-debugfs.c	2021-03-01 11:24:00.031637425 +0100

@@ -292,7 +292,6 @@ static const char *const cmd_flag_name[]
  
  #define RQF_NAME(name) [ilog2((__force u32)RQF_##name)] = #name
  static const char *const rqf_name[] = {
-	RQF_NAME(SORTED),
  	RQF_NAME(STARTED),
  	RQF_NAME(SOFTBARRIER),
  	RQF_NAME(FLUSH_SEQ),